Polymer Li-Ion Pack: 7.4v 4000mAh 10-12C Discharge Rate (w/o PCB)

Hi-Power Polymer Li-Ion Pack: 7.4v 4000mAh 10-12C Discharge Rate (w/o PCB) for RC Racing
Packing
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
    • 2" long 3 pin female JST plug
  • Discharge terminal
    • 4" long 14AWG wire
    • You may buy connector for DIY
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
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
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

Comparision with NiMH 7.2V 4.2Ah Pack

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
Price: $49.95
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