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| Gunny's Top Flite .60 Sized P-47 |
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| 10 servo's, retracts, NoBS 1400 Series 5 cell pack |
Scroll down
for Pack Listings
Receiver Packs for Sport, Scale &
Pattern/3-D Aircraft to
15 lbs
Once the domain of casual trainers and sport flyers, the
.25 to .90 sized R/C airplane of today is far more likely to be a retract equipped Scale Warbird or a U-Can-Do 3D type aerobat
than a Sig Kaydett or Senorita. As the number of flyers operating faster, stronger more aggressive and complicated aircraft
increased, radio system manufacturers followed suit by making available stronger, faster and higher torque servos. On
today’s .60 size aircraft, retract systems, glow drivers and/or high output-high speed servo's are commonplace instead
of extraordinary. I
find it amazing that folks still try to fly these planes with a ‘factory’ provided pack, when they’d never
for a second use the ‘factory’ provided servos for anything much more demanding than operating the throttle in
the same plane.
Today's new radio
systems take good advantage of computer technology and are designed to compliment and refine this new
breed of R/C aircraft and style of flying. Yet, after nearly two decades of systems development, we're still seeing that same 600ma pack provided as
OEM in the set and in the box. If you've got a high output servo system, handling a plane doing aerobatics Gramps and
his Kaydett can't even name, it follows that you should consider upgrading to a pack a little more competent at delivering
power in a high load environment than Gramps' battery pack.
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 shoot for a combined 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). Which is why you usually always see this pack employed in parallel
in IMAC birds and used without issues as a single pack in a big scale Cub.
For more info and tips on Parallel Systems
and a NiMH FAQ, check our Tech Tips page! For dedicated low impedance packs for 25% and larger applications, check our Giant
Scale Packs page.
Have a special requirement? Custom Packs are the heart and soul of our operation.. if you don't see
what you need below or on our Giant Scale packs page, or would like some help picking out the best possible pack for
your application, send us an email.. just clink on the 'contact' button on the nav bar to the left.
4 cell 4.8v Receiver
& Ignition Packs
For 5 cell packs, scroll down the page!
Note: Be sure and visit our Chargers & Accessories
page for Velcro Pack Straps, Switches & Wiring Solutions!
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800 Series Sanyo 'AA' Rx pack, 4 cell
The Sanyo KR-800AAE Series OEM type 4.8v NiCAD Receiver packs are fully supportable with your existing OEM charger
and offer longer runtimes than your original 500-700ma packs, all while maintaining the same ‘footprint’ dimensionally
as the ‘originals’.
These are an excellent choice for .40-.60 sized planes or in any application where you were satisfied
with the performance of the OEM pack you are replacing. Superior than OEM performance, depandability and construction at
LESS than OEM prices!
Individual cell dimension: .56 x 1.97 4 Cell pack weight, inc connector: 3.4oz
$18.95 Internal Impedance 12 mOhms
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1100 Series Sanyo 'AA' Rx pack, 4 cell
The Sanyo KR1100AAU Series 4.8v Nicad 4 cell receiver packs are intended as significant run-time upgrades for your original
pack while still maintaining the OEM ‘AA’ size footprint and Nicad technology of your original packs. These are
the highest capacity Nicad AA packs you can get and are often supportable with your OEM charger. Use these durable high capacity Nicad replacement packs in aircraft up to
.60 size or anywhere where keeping the OEM size and weight are prime considerations and runtime improvements are desirable.
Single cell dimensions:
.56 x 1.97
Finished pack weight inc connector: 3.7oz $20.95 Internal Impedance: 19 mOhms
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NEW!! 1300
Series Elite '2/3 A' Rx pack, 4 cell
The Elite 1300
HR NiMH 4.8v 4 cell receiver packs are small, light and are an excellent NiMH pack for all types or applications
where small size and light weight are the major requirements. The impedance is low, so high drain digital servos with
2.4 GHz radios are not an issue. These are very popular in pattern, sailplane and pylon racing. These are also available
on our Giant Scale packs page as they are very popular in high drain ignition, smokepump and turbine applications.
Single cell dimensions: .67 x 1.1
Finished pack weight inc connector:
3.8oz $28.95 Internal Impedance: 7 mOhms
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1650 Series 'AA' Rx pack, 4 cell -
The HR1650AAU NiMH Series
packs are an excellent choice for flyers demanding exceptional runtimes while maintaining the OEM footprint, all without having
to repeatedly fast-charge during flying sessions. This cell has established itself as the most commonly used NiMH cell in
R/C thanks to it's exceptional capacity and OEM dimensions. -
These may require higher output charge support than your OEM charger can provide
in a reasonable time frame. No problem though.. you don’t need to invest in a charger company to support these, we have Hi-Output
wall chargers for less than $20.00 that’ll do quite nicely.
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Single cell dimensions:
.56 x 1.97
Finished pack weight inc connector: 4.2oz $24.95 Internal Impedance: 25 mOhms
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2150 Series Sanyo 4/5 'A' Rx
& Ignition pack, 4 cell
The Sanyo HR-2150AU 4 cell
Rx & Ignition 4.8v pack is a popular favorite in 25 to 27% sized IMAC aircraft. Also being used in place of the 1650
AA NiMH packs in pattern planes. For the big 3-D birds, it's best used in a Parallel Pack system with dual switches to
cut voltage drop relative to impedance and improve total flying capacity. Small footprint & light weight. Ships with HD
22g leads and either Futaba or JR/Hitec/AirtZ connectors.
Single cell dimensions: .67 x 1.69in Total pack weight, inc 22g connector: 5.0oz $29.95 Internal Impedance: 25 mOhms
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2700 Series GP 'A' Receiver
pack, 4 cell
The 4 cell GP 270AFH can provide huge flight time gains over conventional 'A'
or 'AA' sized Nicad Rx packs in sport aircraft using conventional servos. If your goal is increasing flying
time without a significant weight penalty, these ultra high capacity light weight NiMH 4 cell packs provide plenty of
capacity. When used in parallel they can handle the higher loads generated by digital high torque servos in
larger aerobatic planes while keeping the footprint small. Ships with extra HD 18g leads and either Futaba
or JR/Hitec/AirtZ connectors.
Weighing only slightly more than an OEM 'AA' pack, Pattern pilots, lightweight IMAC giant scalers
& 3-D flyers love if for its tremendous capacity and 2.7 amp charge resilience as an Rx pack. These are an excellent
choice when used in pairs for a light and efficient 5400ma Parallel/Redundant
Pack System in Giant Scale applications where all up weight is critical and grams count!
Single cell dimensions: .67 x 1.97in
Finished
weight inc 18g connector: 5.8oz $32.95 Internal
Impedance: 13 mOhms
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5 cell 6.0v Receiver
& Ignition Packs
For the 'Where, Why & When' on
5 Cell and Parallel Pack setups, visit our Tech Tips page!
Note: Be sure and visit our Chargers & Accessories page for Velcro Pack Straps,
Switches & Wiring Solutions
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Click on any catalog picture to enlarge it
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800 Series Sanyo 'AA' Rx pack, 5 cells
The Sanyo KR-800AAE Series 6.0v NiCAD 5 cell upgrade Rx pack is the simplest and most effective
way to boost your planes control surface performance to the next level. Higher system voltage means faster servo transit
speeds and increased servo output power. This 5 cell pack is most often used in small but very aggressive 3-D, pattern and pylon racers. If you haven't
already, you'll need to upgrade your slow charger to correctly support 5 cell packs.
Individual cell dimension: .56 x 1.97
5 Cell pack weight, inc connector: 4.2oz $22.95 Internal Impedance 12 mOhms
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1100 Series Sanyo 'AA' Rx pack, 5 cell
The Sanyo KR-1100AUL Series 6.0v NiCAD 5 cell upgrade Rx pack is the simplest and most effective
way to boost your planes control surface performance to the next level. Higher system voltage means faster servo transit
speeds and increased servo output power. This is the higest capacity OEM sized Nicad AA 5 cell pack available. These are most often used in small but very aggressive
Heli's, and fixed wing 3-D, pattern and pylon racers. If you haven't already, you'll need to upgrade your
slow charger to correctly support 5 cell packs.
Individual cell dimension: .56 x 1.97
Finished pack weight,
inc connector: 4.6oz $24.95
Internal Impedance: 19 mOhms
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NEW!! 1300 Series Elite '2/3 A' Rx pack, 5
cell
The Elite 1300 HR NiMH 6.0v 5 cell receiver packs
are small, light and are an excellent NiMH pack for all types or applications where small size and light weight are the
major requirements. The impedance is low, so high drain digital servos & 2.4 GHz radios are not an issue. These are
very popular in pattern, sailplane and pylon racing. These are also available on our Giant Scale packs page as they are
very popular in high drain ignition, smokepump and turbine applications.
Single cell dimensions: .67 x 1.1
Finished pack weight inc connector: 5.1oz $31.95 Internal Impedance: 7 mOhms
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1650 Series 'AA' Rx Pack, 5 cell
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The HR1650AAU Series 6.0v NiMH 5 cell packs are the right choice for flyers demanding exceptional
runtimes while maintaining the OEM footprint, all without having to repeatedly fast-charge during flying sessions. This configuration
is very popular in Pattern and 3-D Aerobatic aircraft up to about .60 size; providing the faster servo transit speeds and
increased servo torque that demanding advanced aerobatic flying requires. -
These 5 cell (6.0v) ultra high capacity packs require higher output
charge support than your OEM charger can provide. No problem though.. you don’t need to invest in a charger company
to support these, we have 12-1800mah wall chargers for less than $20.00 that’ll do quite nicely.
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Single cell
dimensions: .56 x 1.97 Finished pack weight inc connector; 5.1 oz $28.95 Internal Impedance 25 mOhms
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2150 Series Sanyo 4/5 'A' Rx & Ignition pack, 5 cell
The Sanyo HR-2150AU 5 cell Rx & Ignition 6v pack is a popular favorite in 25 to 27% sized IMAC aircraft. Also
being used in place of the 1650 AA NiMH packs in pattern planes. For the big 3-D birds, it's best used in a Parallel Pack
system with dual switches to cut voltage drop relative to impedance and improve total flying capacity. Small footprint &
light weight. Ships with HD 22g leads and either Futaba or JR/Hitec/AirtZ connectors.
Single cell dimensions: .67 x 1.69in
Total pack weight, inc 22g connector: 6.2oz $32.95 Internal Impedance: 25 mOhms
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2700
Series GP 'A' Receiver pack, 5 cell
The 5 cell GP 270AFH is a spectacular hi-capacity 6.0v NiMH solution to the size and weight requirements faced by pilots
trying to increase flying time without a significant weight penalty. These ultra high capacity light weight NiMH packs provide plenty
of capacity and when used in parallel can handle the current handling requirements of larger aerobatic planes with
digital servos while keeping the footprint small. Ships with extra HD 18g leads and either Futaba or JR/Hitec/AirtZ
connectors, standard.
Weighing only
slightly more than an OEM 'AA' pack, Pattern pilots, lightweight IMAC giant scalers & 3-D flyers love if for its tremendous
capacity and 2.7 amp charge resilience as an Rx pack. These are an excellent choice when used in pairs for a light and efficient 5400ma Parallel/Redundant Pack System in Giant
Scale & aerobatic applications where all up weight is critical and grams count!
Single cell dimensions: .67 x 1.97in
Finished weight inc 18g connector: 7.2oz $36.95 Internal Impedance: 13 mOhms
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| For Giant Scale Packs just click the picture |
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| Chris Maier at the Xtreme Challenge |
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 both Nicad and NiMH technology Rx & Tx battery systems that
provide expectional value, durability and dependabilty.
Note: As it stands now (Sept 2005) a parallel
NiMH or NiCad system is certainly no LESS reliable than the newest Lithium technologies. While there remains a significant
debate surrounding Lithiums suitability and percieved advantages, NiMH & Nicad systems still remain a whole
lot more affordable, can hander higher current loads and are easier to care for and safely maintain than the Lithium
Technologies. Please review our Li-Ion vs NiMH & Nicad page for more details.
Click here for a 'White Paper' comparison of IMAC Li-Ion and Nicad/NiMH systems in detail!
"If the plane matters.. the battery matters.”
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
Giant Scale Rx & Ignition Packs
NiCad & NiMH Frequently Asked Questions
Switches, Chargers & Accessories
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for items on this page. Our Secure Authorization Program accepts Visa, MasterCard and American Express Credit Cards, and if
you'd like you can also use your PayPal account.
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