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Hi-Power Polymer Li-Ion Pack: 7.4v 4000mAh 10-12C Discharge Rate (29.6Wh, w/o PCB) for RC Racing
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| Packing |
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| Voltage |
7.4 v (working) 8.4 V ( peak) 5.5 V ( cut-off) |
| Capacity |
4 Ah ( 29.6 wh) |
| Datasheet |
Please download specification of Li-ion polymer 7.4v 4000 mah (6745135K).  |
| Prewired |
- Charge terminal
- Discharge terminal
- 4" long 14AWG wire
- You may buy connector for DIY
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| Max. Discharging Rate |
40 Amp. (Continuous 10 C rate), 60 Amp Max ( 15C Max for short time) |
| Dimensions |
12.35mm (0.5") x 46mm (1.8") x 142mm (5.5") (Thickness x Width x Length) |
| Weight |
192g (6.8 oz) |
| Smart Tips |
- In order to keep the 7.4v 4000 mAh polymer li-ion pack balance while charging, please use either of the chargers below
- Again, No PCB protection in ths Polymer Li-Ion Battery pack. You must control discharging current and cut-off voltage by yourselves.
- Never discharge battery beyond 50A
- Never discharge battery below 4.0V
- Recharge battery pack immediate after use
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| Applications |
- Superior Battery Power and Battery Strength makes your RC car or Aircraft a true champion
- Can fit in most RC car stock tray ( 6x Sc size) and Replace 7.2V NiMH battery pack with 50% less weight
- Can fit Losi XXX T- Novak Cyclone, Trinity Cobalt Pro stock, Spektrum DX3 radio w/ Z590 Hi-Torque Race Servo and SR3000 Receiver
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| Warning |
- Li-Ion Batteries may explode if charged or discharged improperly.
- The end user must have the technical knowledge necessary to charge and discharge Li-Ion batteries before making Li-Ion Battery Packs
- There is no PCB in discharging terminal. You must cut-off power before battery voltage dop to 2.5V /cell. Never discharge battery to zero voltage which will damage battery immedately.
- Always charge battery after use and for storage
- Please read more safety warning about Li-ion battery
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Comparision with NiMH 7.2V 4.2Ah Pack
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Size (in) |
Weight |
Capacity |
Max Drain |
Volt Flat |
Cost |
RC racing |
| 7.4V 4Ah Polymer |
5.5"x1.8"x0.5" |
192 g |
3 wh |
48A |
7.2V |
Higher |
Faster |
| 7.2V 4Ah NiMH |
5.4"x1.9"x1" |
375 g |
3 wh |
40A |
6.6V |
lower |
slower |
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Price: $54.95
Buy Product Online | Visit Store Home
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