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Today’s Big
Birds demand big power support. Everything in the world of Giant Scale has changed, from servo current loads to flying styles
and aircraft types. Not so long ago our choices were limited by the equipment available to do the job.. now the choices and
the confusion over what's the right path to take regarding system integrity makes pack selection a mine field of opinion.
Here we've taken steps to clear away some of the confusion and mis-information; we were the first to publish
impedance ratings along with the capacity info on all our R/C packs. Below, you'll find no less than 13 low-impedance
packs built specifically for extreme flying with big birds. Using any of the packs on this page assures you'll not
have to worry about having the battery voltage sag when you fly your pattern 'all out'. * NOTE: A123 LiFe M1 Nanophosphate Rx & Ignition Packs are now Available! Click the navbar link to the left
and be sure and visit the A123 FAQ!
Here's where
we excel.. we build the very finest, most robust battery packs you can get anywhere tailored for Giant Scale and Aggressive
3-D applications. If your using the latest high-drain high-torque digital servos, powerboxes, ignition systems and
kero start ECU's these are the packs you are looking for.
All packs on this
page are built from the finest NiMH and Nicad cells available. All carry an internal impedance rating below
10 mOhms, and each and every one can be fast charged at the field and are designed to perform with unsurpassed
dependability in the most demanding high temp, high vibration, high current R/C environments. Exceptional Quality, No Compromises. 
Using the Impedance Rating
to pick the right pack for the way you Fly.
Most folks
react to the 'capacity' rating alone as being the biggest part of their decision in selecting a pack for their big aggressive
birds. This can lead to big trouble on board the aircraft. Just as cells are evaluated for capacity, in high load applications
you need to take into consideration what the cells voltage performance will be when loads are applied. All battery technologies
react to servo loads with a voltage drop while the load is applied. It's really very
simple.. the higher the cells impedance rating, the greater the voltage drop will be while servo loads are applied. Rule
of Thumb for cell selection: Impedance Ratings are like a Golf Score. The lower, the better. Aircraft in agressive aerobatic
enviornments employing digital high torque servos should carry a cell impedance score of 10 mOhms or less.
As an example, one of the most popular lightweight packs used in IMAC aircraft is the Sanyo HR 2700AUX.. plenty of capacity,
but the impedance rate on the cell is 20 mOhms. Pretty high.. but if it's used in parallel with another 2700 pack the
impedance rate is cut in half to 10 mOhms (and the available capacity is doubled). This is why you usually see this
pack employed in parallel in IMAC birds and used without issues as a single pack in a giant Cub.
For more info and tips on Parallel
Systems and a NiMH FAQ, check our Tech Tips page
New!! Elite
1300 2/3 A NiMH Rx / Ignition Pack
Cell Size: 2/3
A Type: High Rate NiMH Dimensions:
.67 x 1.1 Cell Weight: .7oz Impedance: 7
mOhms
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The Elite 2/3 A High Rate cells pack a surprising amount of capacity
in a small footprint. Coupled with it's low internal impedance and light weight this has become one of our most
popular NiMH packs for DA Ignitions. It's also found a loyal following among the smaller 3D and IMAC pattern crowd
and it's ideal for 2.4 GHz Rx's with digital servos. We often see these run in parallel with dual switches
on 25% sized Aerobatic Aircraft in agressive flight routines. Available with a wide array of primary and secondary
cabling options, this is a very versatile, small & lightweight NiMH pack that will handle high current demands in
most applications easily. |
Available as 4.8v (4 cell) flat, square or 2x2 stick pack, or 6.0v (5 cell) flat or 3x2
square pack. Built with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All Elite 2/3
A NiMH pack prices include 22g HD system connector. Dual System,
18g Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $28.95 |
5 cell Rx pack, Flat or Square, $31.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack! Built to take the massive current loading that
'Kero Start' Turbines can dish out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and
wiring options for most applications are available, including a second lead with a standard system connector for easy installation
of a charge port for checking and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g
cabling for all ignition applications and the 16g cabling for ECU or other high current loaded applications. For a second lead
to handle charging on a pack with 16g cabling select 'add 22g JR/Universal lead for charging'.
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Elite 2/3 A NiMH 6 cell, 7.2v Ignition or Turbine Pack: $35.95
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Sanyo KR1400 AE Nicad Rx / Ignition
Pack
Cell Size: Full A
Type: AE Nicad
Dimensions: .67 x 1.97
Cell Weight: 1.1oz
Impedance: 10 mOhms
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The Sanyo KR1400AE
Series 4.8v Nicad 4 cell receiver packs are the workhorse standard 'A' sized upgrade packs common in most medium sized R/C
aircraft and heli's. Long a favorite pack for 1/5th Scale Warbirds. Dependable service, fast charge reliability and simplicity
plus an economical price have made this one of the most popular R/C packs for decades. NoBS assembly and finsihing techniques
make it an outstanding choice as either an Ignition or Receiver pack in all types of modern radio systems. Suitable for use
with high torque and digital servos to 150 in-oz torque. Use in parallel in 70-80" 3-D applications flown agressively.
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Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All Sanyo 1400 Nicad
prices include 22g HD system connector. Dual System,
18g Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $24.95 |
5 cell Rx pack, Flat or Square, $28.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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Sanyo Nicad KR-1400AE 6 cell, 7.2v Ignition or Turbine Pack: $31.95
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Sanyo CP-1700SCR Nicad 4 & 5 Cell
Rx & Ignition Packs
Cell Size: 4/5 Sub-C
Type: High Rate Nicad
Dimensions: .9 x 1.33
Cell Weight: 1.6oz
Impedance: 5.5 mOhms
Click on cell picture for MFG Specs
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The Sanyo CP-1700SCR Nicad system has found
a happy home amongst R/C Giant Scale Sport and Warbird pilots that demand utter reliability and fast charge capability for
either Ignition or Receiver applications. As with most High Rate Nicads, the 1700 is very robust & capable
in high load applications. This is the choice for those that want a ‘big plane’ high capacity Nicad pack
with a shorter profile and a bit less weight than a full ‘sub-c’ sized pack. -
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Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system connector. Dual System,
Deans Ultra or DA (Anderson) connectors, $5.00 add'l -
4 cell Rx pack, Flat or Square, $29.95 |
5 cell Rx pack, Flat or Square, $31.95 |
*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack! - Built to take the massive current loading that 'Kero Start' Turbines
can dish out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring
options for most applications are available, including a second lead with a standard system connector for easy installation
of a charge port for checking and charging ECU packs without the hassle of digging inside the plane. - We reccomend 18g cabling for all ignition applications and the 14g cabling for ECU or other high
current loaded applications. For a second lead to handle charging on a pack with 14g cabling select 'add 18g
JR/Universal lead for charging'. |
Sanyo 1700CP Nicad 6 cell, 7.2v Ignition or Turbine Pack: $34.95
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Sanyo N-1900SCR Nicad 4 & 5 Cell Rx
& Ignition Packs
Cell Size: Full Sub-C
Type: High Rate Nicad
Dimensions: .9 x 1.69
Cell Weight: 1.9oz
Impedance: 4 mOhms
Click on cell picture for MFG Specs
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The Sanyo N-1900SCR is the 'workhorse' Sub-C Nicad. Rugged and economical, this cell has set
the standard for high load, high current dependability for decades. Long a favorite for Giant Scale modelers, this pack
does yeoman duty with all types of giant scale servos including the modern digitals. It's also used extensively
for on-board glow and ignition applications. Looking for a pack that will provide years of solid performance without
the need for extended capability chargers? This is it!
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Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system
connector. Dual System, Deans Ultra or DA (Anderson)
connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $28.95 |
5 cell Rx pack, Flat or Square, $31.95 |
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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Sanyo N-1900SCR NiCAD 6 cell, 7.2v Ignition or Turbine Pack: $34.95
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Sanyo HR-4/5FAUP 1950 NiMH 4 & 5 Cell
Rx & Ignition Packs
Cell Size: 4/5 'Fat' A
Type: High Rate NiMH
Dimensions: .7 x 1.7
Cell Weight: 1.4oz (41g)
Impedance: 4 mOhms
Click on cell picture for MFG Specs
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The Sanyo HR-1950
FAUP Rx & Ignition pack is a spectacular hi-capacity NiMH solution to the size and weight requirements faced
by pilots trying to solve the ignition or digital servo system demands for extra run time while keeping the footprint
small and weight low. These unique and exceptional cells
represent the future of NiMH development, with a smaller footprint than any Sub-C Nicad, yet they have impedance as low
or lower and can handle up to 40 amps!!
The outstanding
performance under load make the FAUP's 'King' of the NiMH Rx and Ignition cells. Heli Pilots, Pattern pilots, lightweight
IMAC giant scalers & 3-D flyers love if for its tremendous capacity and fast charge resilience as an Rx pack. An excellent
choice as an Rx or Ignition pack where all up weight is critical and performance under high load counts!
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Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. The
FAUP's come to us from Sanyo in paper sleeves. Unlike all other assemblers of this cell, we finish the exposed cells
in HD PVC shrink sleeves to fuel and vibration-proof them. They are then assembled with extra HD Quadruple Welded 1/4"
wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system connector. Dual System,
Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $36.95 |
5 cell Rx pack, Flat or Square, $41.95 |
*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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Sanyo FAUP1950 NiMH High Rate 6 cell, 7.2v Ignition or Turbine Pack: $46.95
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GP 2000 High Rate Rx / Ignition
Pack
Cell Size: 4/5 A
Type: High Rate NiMH
Dimensions: .67 x 1.65
Cell Weight: 34g
Impedance: 6 mOhms
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A low cost alternative to the Sanyo
1950FAUP is the GP 2000 4/5 A HR cell. It's a bit smaller and lighter and as a result has a bit higher
impedance rating. This cell assembled into packs using the NoBS heavy duty welding and finishing techniques makes for
a very nice, robust and light power system for 27-33% IMAC 3-D parallel installations. Rated for service in
parallel with multiple digital servo's, formerly the exclusive domain of the larger FAUP's or SubC cells!
We're
also seeing quite a few of these go to larger DA Engine owners as 5 cell ignition packs where it's very light weight,
low impedance and small size complement the weight savings and long runtime requirements in the nose of the plane. |
Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All GP 2000 pack
prices include 18g HD system connector. Dual System, Deans
Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $28.95 |
5 cell Rx pack, Flat or Square, $32.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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GP 2000HR NiMH 6 cell, 7.2v Ignition or Turbine Pack: $40.95
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Sanyo CP-2400SCR Nicad 4 & 5 Cell
Rx & Ignition Packs
Cell Size: Full Sub-C
Type: High Rate Nicad
Dimensions: .9 x 1.69
Cell Weight: 2.2oz
Impedance: 4.5 mOhms
Click on cell picture for MFG Specs
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The Sanyo
CP-2400SCR is King Of The Sub-C Rx and Ignition NiCAD cell lineup. Featuring exceptional durability, resilience
to fast charge abuse, vibration, extreme temperatures.. overall, nothing comes close to Sanyo’s performance record with
this cell in Giant Scale applications of all types. This is the pack to use when the overriding priority is rock-solid dependability
and superb performance under even the highest loads and most extreme conditions.
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Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system connector. Dual System,
Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $31.95 |
5 cell Rx pack, Flat or Square, $36.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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Sanyo 2400CP Nicad 6 cell, 7.2v Ignition or Turbine Pack: $39.95
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NEW!! GP 2700 'A'
Light Weight Rx / Ignition Pack
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| Click on pic for MFG spec PDF |
Cell Size: Full 'A' Type: Medium Rate NiMH Dimensions: .67 x 1.99 Cell Weight: 1.3oz Impedance: 13 mOhms
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The GP 270AFH carries the same full-size 'A' footprint as the Sanyo Nicad 1400 at nearly the same low
impedance rate. Compared to the Sanyo 2700AUX at the same dimensions and capacity the impedance is SIGNIFICANTLY lower. (13
vs 20 mOhms) This makes it a suitable candidate for 3D aerobatic birds with digital servos up to 1/4 scale.
* For high
drain applications (33% sized birds and larger) this pack should be run in parallel with dual switches to spread current loading
across both packs. Run as a pair, these weigh only slightly more than a single 3600 Sub-C pack and yield better than 5,000ma
of airborne capacity. |
Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system connector. Dual System,
Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $32.95 |
5 cell Rx pack, Flat or Square, $36.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack! Configured in either 'Flat', '2x3 Stick' or
'3x2 Brick' shapes. Connector and wiring options for most applications are available, including a second lead with
a standard system connector for easy installation of a charge port for checking and charging ECU packs without the hassle
of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'. |
GP 2700 NiMH 6 cell, 7.2v Ignition or Turbine Pack: $40.95
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Sanyo 3000 High Rate Rx /
Ignition Pack
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Cell Size: Full Sub-C Type: High Rate NiMH Dimensions: .9 x 1.69 Cell Weight: 2.4oz Impedance: 7.0 mOhms
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The Sanyo
3000 HRSCU is the highest capacity Sub-C pack we have available. There are cells that rate higher in capacity...
but none with better charge retention and reliabilty. With a 3 amp fast charge rate and an immense amount of
flight time capacity this is great choice for runtime upgrades in any application that uses 10 or more high drain digital
servo's in up to 40-45% aggressive aerobatic aircraft. -
Already
a big favorite with IMAC demo pilots that need long, strong and rock solid flights with minimum down time for
recharging. Run in parallel, the additional on-board capacity will keep you in the air longer between charge sessions. If
your a Sanyo fan and want your packs built with the highest capacity, lowest impedance sub-c sized NiMH cells they make, then
this is your pack! |
Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system connector. Dual System,
Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $39.95 |
5 cell Rx pack, Flat or Square, $45.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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Sanyo 3000 HRSCU NiMH 6 cell, 7.2v Ignition or Turbine Pack: $51.95
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Sanyo 3600 Nicad High Rate
Rx / Ignition Pack
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Cell Size: Full C Type: High Rate NiCad Dimensions: 1.02 x 1.97 Cell Weight: 3.0 oz Impedance: 3.9 mOhms
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The
Sanyo CP3600HR is the largest Nicad pack we build. I keep running into application situtations where a bunch of weight is
needed up in the nose... for 1/4 scale and larger sailplanes and WWI aircraft in particular; this pack will definitly put
the weight where you need it instead of hauling around useless lead. Rock solid, dependable Sanyo Nicad performance and simple
charge support make this an on-going favorite in the military RPV and commercial robotics applications too. -
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Available as 4.8v (4 cell) flat or square pack, or 6.0v (5 cell) flat or 3x2 square pack. Built
with extra HD Quadruple Welded 1/4" wide straps & finished in HD Rubberized 3M MilSpec shrink.
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All prices include 18g HD system connector. Dual System,
Deans Ultra or DA (Anderson) connectors, $5.00 add'l
4 cell Rx pack, Flat or Square, $46.95 |
5 cell Rx pack, Flat or Square, $51.95
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*NEW* Now available as a 6 cell, 7.2v Turbine/ECU or Ignition Pack!
Built to take the massive current loading that 'Kero Start' Turbines can dish
out, and configured in either 'Flat', '2x3 Stick' or '3x2 Brick' shapes. Connector and wiring options for most applications
are available, including a second lead with a standard system connector for easy installation of a charge port for checking
and charging ECU packs without the hassle of digging inside the plane.
We reccomend 18g cabling for all ignition applications and the 14g cabling
for ECU or other high current loaded applications. For a second lead to handle charging on a pack with 14g cabling select
'add 18g JR/Universal lead for charging'.
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Sanyo CP3600CR NiCad 6 cell, 7.2v Ignition or Turbine Pack: $56.95
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We don't advocate one technology
over the others, instead we work with proven, documented technologies developed by engineers completely conversant
with the demands of the applications you are flying. Currently we offer A123 Lithium, Nicad and NiMH technology
Rx, Turbine ECU, Ignition & Tx battery systems that provide expectional value, durability and dependabilty. -
For our selection of outstanding A123 Nanophosphate Lithium packs for Giants 3D &
IMAC, click the A123 Link on the nav bar to the left. -
For the
Finest NiCad, NiMH and A123 Lithium Info, Care and Feeding and Selection Info, vist our FAQ's also available on the nav
bar to the left. |
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All our Rx & Ignition packs
are available in 4 or 5 cell configurations; flat or square and come with the connector of your choice at no extra charge.
If you don't see the shape, connector or configuration you need listed above, just email or call us with your system
specs and requirements. Custom pack configurations are what we're all about and you'll never be zapped with a 'BS' surcharge
for assembly of a pack set up to your specs. If you have any application questions or need a recommendation for
your plane, please contact us.. you'll be happy you did.
Steve Anthony
NoBS
Batteries
hangtimes@optonline.net
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