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Transmitter Battery & Connector Help Page.

TX Connectors Sub-Category within Radio Plugs & Wire.

Transmitter Pack Forming Charge Chart
CapacityChemistryForm Charge
Hours @50mah
Form Charge
Hours @70mah
Form Charge
Hours @100mah
Form Charge
Hours @150mah
Peak Charge
After Forming
Discharge
Current
700NiCad19.6DAMAGEDAMAGEDAMAGE.4 to 1.4 amps100-200mah
1100 (MFG Discontinued)NiCad30.82215.4DAMAGE.6 to 2.2 amps200mah
1650NiMH46.23323.115.4
Not Advised
.8 to 3.3 amps300mah
2000ENELOOP
NiMH
564028DAMAGENEVER!
Will Ruin
400mah
2500NiMH705035DAMAGENEVER!
Will Ruin
500mah
Charger presumed to be factory wall charger. Peak chargers are poor choice for forming, you'll struggle. Peak charging is only reliable after proper form charging. Form charging when new is a MUST. Repeat form after 30 days or more storage or after any replacement of cells in pack. Most packs will reach the good zone (85% of rating or better) within 3 to 5 cycles. They continue to improve slowly over further cycles. We have seen some cells require 10-15 cycles to hit full stride. You do not have an issue if you formed the pack properly and it's continuing to improve (no mater how slowly) over a number of cycles. Simply keep cycling it. We only want to hear about it if you have formed it properly, have at least 6 cycles of data "recorded on paper" and the results are staying flat or reducing. Your data sheet is required with the pack upon return. All other packs will be returned to you.

There is no warranty, return or telephone consultation available if you failed to form charge your pack as described above. Learn from your errors and order a replacement. I've been though this hundreds of times, the proper and reliable methods are established. Anything outside of these proper methods is experimentation at your expense.

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Radical RC 700mah NiCad 8-AA cell 9.6V Square TX Pack - Product Image
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Radical RC 700mah NiCad 8-AA cell 9.6V Square TX Pack

Sanyo N-700 AAC Direct fit replacement for most Transmitters requiring square packs.

Weight 180g/6.37oz.

Adaptable to replace clip packs from early JR and Futaba TX's.

Maintenance charge and maximum form charge rate for this pack is not to exceed 70mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 70mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC08N0700S-TX

Price: $23.00 
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Radical RC 700mah NiCad 8-AA cell 9.6V Flat TX Pack - Product Image
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Radical RC 700mah NiCad 8-AA cell 9.6V Flat TX Pack

Side By Side, Flat Pack, 9.6V Sanyo N-700 AAC (Typical AA size).

Direct fit replacement for your Futaba NT-8JY pack, Tower system 3000 TX packs, Hitec TX Packs and any other TX that takes a flat 8 style pack. Many stock factory packs are 500-600mah. More capacity here.

Weight 180g/6.37oz.

Maintenance charge and maximum form charge rate for this pack is not to exceed 70mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 70mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC08N0700F-TX

Price: $23.00 
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Radical RC 700mah NiCad 8-AA cell 9.6V Airtronics Stylus/ Futaba FG TX Pack - Product Image
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Radical RC 700mah NiCad 8-AA cell 9.6V Airtronics Stylus/ Futaba FG TX Pack

Side By Side 9.6V Sanyo AA-700 NiCad. Yes, it is the same size as your current AA pack. A "AA" is a "AA". Slightly higher capacity than man factory packs (600mah is typical). Also fits Futaba FG radios with gold cases. In the Futaba case the pack appears to have 9 cells but one is a hollow dummy cell. This pack fits just fine and is correct voltage.

Maintenance charge and maximum form charge rate for this pack is not to exceed 70mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 70mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC08N0700ST-TX

Price: $23.00 
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Radical RC 1650mah NiMH 8-AA cell 9.6V Square TX Pack - Product Image
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Radical RC 1650mah NiMH 8-AA cell 9.6V Square TX Pack

Sanyo HR-AA-1650 Square Pack. HIGH capacity if you are sick of your TX running down. Yes, it's the same size as your current Square "AA" pack. About 3x the capacity of most factory packs! The 1650 has been around for a number years with great results and good longevity. If you've been afraid to try NiMH this is a great place to get your feet wet. Fits all the Futaba and JR radios requiring Square pack. If you have a clip pack, get the adapter kit to go with this pack. Clip packs are corrosion prone and any modeler at this level needs to make this update before you get bit. Why did they sell you that fine high end radio only to give you a paltry little pack with it? Fix that factory ignorance with this pack. Don't let the shadow in this picture fool you, this pack is about 3 15/16 long. A "AA" is a "AA" is a "AA". It's the same size as your current SQ AA pack. Weight 223g/7.85oz. Individual Cell Internal Impedance 25.0mΩ

BMaintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC08H1650S-TX

Price: $39.00 
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Radical RC 1650mah NiMH 8-AA cell 9.6V Flat TX Pack - Product Image
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Radical RC 1650mah NiMH 8-AA cell 9.6V Flat TX Pack

Side By Side 9.6V Sanyo HR-AA NIMH 1650 Flat pack. HIGH capacity pack! Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have come with! Tired of having to quick charge at the field? You can program all night Friday night and then fly all day Saturday with a fully charged 1650. Runs most simple TX about 12 hours, Computer TX about 6-8 hours. Weight 223g/7.85oz.

Maintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.


SKU Number: RRC08H1650F-TX

Price: $39.00 
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FDK/Sanyo 1650 NiMH 7.2V 6-AA cell Multiplex TX Pack - Product Image
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FDK/Sanyo 1650 NiMH 7.2V 6-AA cell Multiplex TX Pack

This FDK (formerly Sanyo) AA 1650 Multiplex pack is the only way to go when replacing your weak factory pack. 7.2 volts and 6 cells just more bang. Comes without plug, reuse your old plug, direct solder or select optional Multiplex transmitter connector below. No thermal fuse in these packs.

Maintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC06H1650MPX-TX

Price: $30.00 
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FDK/Sanyo 1650 NiMH 7.2V 6 cell 3x2 TX Pack - Product Image
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FDK/Sanyo 1650 NiMH 7.2V 6 cell 3x2 TX Pack

FDK (formerly Sanyo) AA 1650 TX pack made to fit Hitec's new Aurora 9 and the Airtronics SD-10G. Excellent way to go when replacing a weak factory pack. 7.2 volts and 6 cells just more capacity. Comes without plug, choose below or reuse your old plug.

Maintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.

SKU Number: RRC06H16503X2-TX

Price: $30.00 
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Radical RC 1650mah NiMH 8-AA cell 9.6V Airtronics Stylus/ Futaba FG TX Pack - Product Image
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Radical RC 1650mah NiMH 8-AA cell 9.6V Airtronics Stylus/ Futaba FG TX Pack

Side By Side 9.6V Sanyo HR-AA NIMH Airtronics Stylus pack. HIGH capacity pack! Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have come with! Tired of having to quick charge at the field? You can program all night friday night and fly all day saturday with a fully charged 1650. Also fits older Futaba gold case FG radios. In the Futaba case the pack appears to have 9 cells but one is a hollow dummy cell. This pack fits just fine and is correct voltage.

Maintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.

SKU Number: RRC08H1650ST-TX

Price: $39.00 
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FDK/Sanyo Twicell 2000mah NiMH AA 8-Cell 9.6V Tx Flat Pack - Product Image
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FDK/Sanyo Twicell 2000mah NiMH AA 8-Cell 9.6V Tx Flat Pack

Single Cells, 4-PackTwicell (formerly Sanyo Eneloop) 9.6V, 2000mAh, AA 8 Cell Flat Pack.

FDK's new more environmentally friendly NiMH battery.

Weight 218g, 7.7 oz.

Although these are advertised as charged and ready to go right out of the package, we recommend a forming charge period prior to use. Our tests have shown them be factory charged to 60% or less. Eneloop NiMH cells have a lower daily self discharge than typical NiMH cells.

Maintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC08H2000TWF-TX

Price: $39.00 
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FDK/Sanyo Twicell 2000mah NiMH AA 9.6V 8-Cell Tx Square Pack - Product Image
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FDK/Sanyo Twicell 2000mah NiMH AA 9.6V 8-Cell Tx Square Pack

FDK (formerly Sanyo) Twicell (formerly Sanyo Eneloop) 9.6V, 2000mAh, AA 8 Cell Square Pack.

FDK's more environmentally friendly NiMH battery.

Although these are advertised as charged and ready to go right out of the package, we recommend a forming charge period prior to use. Our tests have shown them be factory charged to 60% or less. Twicell NiMH cells have a lower daily self discharge than typical NiMH cells.

Break in (first forming charge) for 2000mah pack on 50mah charger - 54 hours, 70mah charger - 40 hours. Individual Cell Internal Impedance 96.0m?

Although FDK's website shows Cx1 (capacity x 1) fast charge rates with a NiMH rated charger, I'm not prepared to warranty any packs damaged by fast charging or peak charging in any form. If you insist on experimenting with fast charging and damage a pack, call FDK, not Radical RC.

Weight 218g, 7.7 oz.
Dimension 100mm L x 27mm W x 27mm H 

1 in stcck 


SKU Number: RRC08H2000TWS-TX
Price: $39.00 
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FDK/Sanyo Twicell 2000mah NiMH AA 8-Cell 9.6V Tx Flat Pack - Product Image
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FDK/Sanyo Twicell 2000mah NiMH AA 8-Cell 9.6V Tx Flat Pack

FDK (formerly Sanyo) TWICELL (formerly Eneloop) 9.6V, 2000mAh, AA 8 Cell Flat Pack.

Sanyo's new more environmentally friendly NiMH battery.

Weight 218g, 7.7 oz.

Although these are advertised as charged and ready to go right out of the package, we recommend a forming charge period prior to use. Our tests have shown them be factory charged to 60% or less. Eneloop NiMH cells have a lower daily self discharge than typical NiMH cells.

Maintenance charge and maximum form charge rate for this pack is not to exceed 100mah. See chart at top of category page for charging recommendations.

Form charge on factory wall charger only, not to exceed 100mah. Attempting to form charge (initial charge) on peak detection charger or by any other method not specifically stated here is not recommended and voids warranty.
SKU Number: RRC08H2000TWF-TX

Price: $39.00 
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Radical RC 2150mah 5 Cell 6V NIMH Battery Flat Pack - Product Image
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Radical RC 2150mah 5 Cell 6V NIMH Battery Flat Pack

Fits Futaba T6J and possibly some other Futaba TX's. Our battery is the same physical size but higher capacity than the recommended FUTM1473. Select Futaba J plug if you are purchasing for a T6J.

According to Great Planes, you may need a new battery cover to upgrade from the AA battery holder to this battery pack. Quote: "To use the NiMH battery FUTM1473, you will need to purchase charger FUTM1832. Then call Futaba Services at 217-398-8970 option 2 and they will send you a battery door- HSP82469. If you already have a charger and need a charge lead they can sell you part number- HSP29615. (requires soldering on the correct charger plugs)".

Weight 171g, 6.03oz. Sanyo 4/5 "A" size cell. Individual Cell Internal Impedance 25.0m?

Suggested charge rate non-peak detecting 215mah or less, peak detecting 1075-4000mah. 4 amps is the max charge rate through hobby pins.
SKU Number: RRC05H2150F

Price: $29.00 
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Radical RC 2150mah NiMH 7.2V Double Stick Futaba 8 & 12FG TX Pack MAX LENGTH 5-1/16" - Product Image
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Radical RC 2150mah NiMH 7.2V Double Stick Futaba 8 & 12FG TX Pack MAX LENGTH 5-1/16"

Side By Side, double stick 7.2V Sanyo HR-4/5-A NiMH pack. Highest capacity pack available for your Futaba T8FG & T12FG (A or H) transmitter. 26% more run time and charges well from your factory wall charger. Yes, it is the same size as your current 1700 factory pack. Approximately 5.050" long, 1.330" wide and .690" thick.

Maintenance charge rate for this pack is not to exceed 150mah.

Break in (first forming charge) on 170mah factory wall charger (Futaba #HBC2B) is 17.7 hours. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.

SKU Number: RRC06H21502X3-TX

Price: $34.00 
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Radical RC 2500mah NiMH 7.2V 2x3 Multiplex TX Pack - Product Image
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Radical RC 2500mah NiMH 7.2V 2x3 Multiplex TX Pack

Side By Side, double stick, 7.2V Sanyo HR-AA NIMH. 6 cells, fits Multiplex radios.High capacity TX Battery if you are sick of your TX running down. Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have came with!

Maintenance charge rate for this pack is not to exceed 70mah.

Break in (first forming charge) on 50mah factory wall charger 700mah-19.6 hours,1100-30.8 hours,1650-46.2 hours, 2500-70 hours. For 70mah wall charger deduct 28% of time, for 100mah wall charger deduct 50% of time. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.

Any peak or fast charger use on this pack voids warranty. Don't bother calling trying to get a warranty for failing to follow instrcutions. I've heard all the stories. They all end like this, "My battery does not cycle well now." and "It worked ok for a while but now it runs down fast shortly after charging". If you put any AA cell over 1700mah capacity on your peak charger, it's bad. I've already made theses tests for you so you could avoid the pain. If you ruin one of these mega capacity TX packs, just order a new one and do better the second time.

SKU Number: RRC06H2500MPX-TX

Price: $33.00 
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Radical RC 2500mah NiMH 8-AA cell 9.6V Flat TX Pack - Product Image
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Radical RC 2500mah NiMH 8-AA cell 9.6V Flat TX Pack

Side By Side 9.6V Sanyo HR-AA NIMH 2500 Flat pack. HIGH capacity pack! Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have come with! Tired of having to quick charge at the field? You can program all night friday night and fly all day Saturday with a fully charged 2500.

Maintenance charge rate for this pack is not to exceed 70mah.

Break in (first forming charge) on 50mah factory wall charger 700mah-19.6 hours,1100-30.8 hours,1650-46.2 hours, 2500-70 hours. For 70mah wall charger deduct 28% of time, for 100mah wall charger deduct 50% of time. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.

Any peak or fast charger use on this pack voids warranty. Don't bother calling trying to get a warranty for failing to follow instrcutions. I've heard all the stories. They all end like this, "My battery does not cycle well now." and "It worked ok for a while but now it runs down fast shortly after charging". If you put any AA cell over 1700mah capacity on your peak charger, it's bad. I've already made theses tests for you so you could avoid the pain. If you ruin one of these mega capacity TX packs, just order a new one and do better the second time.

SKU Number: RRC08H2500F-TX

Price: $43.00 
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Quantity:  

Radical RC 2500mah NiMH 8-AA cell 9.6V Square TX Pack - Product Image
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Radical RC 2500mah NiMH 8-AA cell 9.6V Square TX Pack

Side By Side 9.6V Sanyo HR-AA NIMH 2500 Square TX pack. HIGH capacity pack! Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have come with! Tired of having to quick charge at the field? You can program all night friday night and fly all day Saturday with a fully charged 2500.

Maintenance charge rate for this pack is not to exceed 70mah.

Break in (first forming charge) on 50mah factory wall charger 700mah-19.6 hours,1100-30.8 hours,1650-46.2 hours, 2500-70 hours. For 70mah wall charger deduct 28% of time, for 100mah wall charger deduct 50% of time. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.

Any peak or fast charger use on this pack voids warranty. Don't bother calling trying to get a warranty for failing to follow instrcutions. I've heard all the stories. They all end like this, "My battery does not cycle well now." and "It worked ok for a while but now it runs down fast shortly after charging". If you put any AA cell over 1700mah capacity on your peak charger, it's bad. I've already made theses tests for you so you could avoid the pain. If you ruin one of these mega capacity TX packs, just order a new one and do better the second time.

SKU Number: RRC08H2500S-TX

Price: $43.00 
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Quantity:  

Radical RC 2500mah NiMH 8-AA cell 9.6V Airtronics Stylus/ Futaba FG TX Pack - Product Image
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Radical RC 2500mah NiMH 8-AA cell 9.6V Airtronics Stylus/ Futaba FG TX Pack

Side By Side 9.6V Sanyo HR-AA NIMH 2500 Airtronics Stylus pack. HIGH capacity pack! Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have come with! Tired of having to quick charge at the field? You can program all night friday night and fly all day Saturday with a fully charged 2500. Also fits older Futaba gold case FG radios. In the Futaba case the pack appears to have 9 cells but one is a hollow dummy cell. This pack fits just fine and is correct voltage.

Maintenance charge rate for this pack is not to exceed 70mah.

Break in (first forming charge) on 50mah factory wall charger 700mah-19.6 hours; 1100-30.8 hours; 1650-46.2 hours; 2500-70 hours. For 70mah wall charger deduct 28% of time, for 100mah wall charger deduct 50% of time. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.

Any peak or fast charger use on this pack voids warranty. Don't bother calling trying to get a warranty for failing to follow instrcutions. I've heard all the stories and they all end like this, "My battery does not cycle well now." and "It worked ok for a while but now it runs down fast shortly after charging". If you put any AA cell over 1700mah capacity on your peak charger, it's bad. I've already made these tests for you so you could avoid the pain. If you ruin one of these mega capacity TX packs, just order a new one and do better the second time.

SKU Number: RRC08H2500ST-TX

Price: $43.00 
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Quantity:  

Radical RC 2500mah NiMH 7.2V 2x3 Airtronics/Multiplex TX Pack - Product Image
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Radical RC 2500mah NiMH 7.2V 2x3 Airtronics/Multiplex TX Pack

Side By Side, double stick, 7.2V Sanyo HR-AA NIMH. 6 cells, fits many Multiplex radios, Airtronics SD-10G.High capacity TX Battery if you are sick of your TX running down. Yes, it is the same size as your current AA pack. A "AA" is a "AA". This is what your computer TX should have came with!

Maintenance charge rate for this pack is not to exceed 70mah.

Break in (first forming charge) on 50mah factory wall charger 700mah-19.6 hours,1100-30.8 hours,1650-46.2 hours, 2500-70 hours. For 70mah wall charger deduct 28% of time, for 100mah wall charger deduct 50% of time. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.

Any peak or fast charger use on this pack voids warranty. Don't bother calling trying to get a warranty for failing to follow instrcutions. I've heard all the stories. They all end like this, "My battery does not cycle well now." and "It worked ok for a while but now it runs down fast shortly after charging". If you put any AA cell over 1700mah capacity on your peak charger, it's bad. I've already made theses tests for you so you could avoid the pain. If you ruin one of these mega capacity TX packs, just order a new one and do better the second time.

SKU Number: RRC06H2500MPX-TX

Price: $33.00 
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Quantity:  

2500mah NiMH 7.2V 3x2 TX Pack - Product Image
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2500mah NiMH 7.2V 3x2 TX Pack

AA 2500 TX pack made to fit Hitec's new Aurora 9 and the Airtronics SD-10G. Excellent way to go when replacing a weak factory pack. 7.2 volts and 6 cells just more capacity. Comes without plug, choose below or reuse your old plug.

Break in (first forming charge) on 50mah factory wall charger 700mah-19.6 hours,1100-30.8 hours,1650-46.2 hours, 2500-70 hours. For 70mah wall charger deduct 28% of time, for 100mah wall charger deduct 50% of time. Forming charge (initial charge) on peak detection chargers is not recommended and voids warranty.
Individual Cell Internal Impedance 25.0mΩ

SKU Number: RRC06H25003X2-TX

Price: $33.00 
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Questions on this Tx Packs NiMH NiCd? Email us at RadicalRC.com@gmail.com