AT: Tenergy Li-Ion 18650 3.7V 10,400mAh Rechargeable Battery Pack w/ PCB (1S4P, 38.48Wh, 6A Rate)

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Sale Price: $43.99
Item Number: 31908-01
Build Lead Time: 3-7 Business Days

Features and Benefits:

  • High quality 3.7V Li-Ion rechargeable battery pack.
  • Made of 3.7V 2600mAh cylindrical 18650 cells with PCB and poly switch for full protection.
  • Light weight and higher energy density than any rechargeable battery.
  • No memory effect and rechargeable.
  • Longer storage life than NiMH battery.
  • Recommend our Smart  Li-Ion Battery  Charger to charge the battery pack (with charging volatge set at 4.2V on the charger).

Technical Specifications:

Rated Capacity Nominal 10.4Ah Standard discharge after standard charge
Minimum 10.08Ah
Nominal Voltage 3.7V Mean operation voltage during standard discharge after standard charge
Voltage at end of Discharge 2.75V Discharge cut-off voltage
Charging Voltage 4.2V
Impedance <110mΩ
Standard Charge Constant current 0.2C5A
Constant voltage 4.2V
Cut-off current 0.01C5A
Standard Discharge Constant current 0.2 C5A
End voltage 2.75V
Fast Charge Constant current 0.5C5A
Constant voltage 4.2V
0.01C5A cut-off
Fast Discharge Constant current 0.5C5A
End voltage 2.75V
Maximum Discharge Current 6A
Operation Temperature Range Charge: 0~45˚C
Discharge: -20~60˚C 60±25%R.H
Cycle Life >300cycle
Storage Temperature During 1 month -20~45˚C 60±25%R.H
During 6 months: -20~35˚C
Weight Approx. 195g
Dimension Diameter x Height 133.5 x 38 x 19 mm


  • CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
  • User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging, and assembly before use.
  • We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries.
  • Strongly suggest that you use our smart Li-Ion battery charger to recharge the battery pack.  
  • Never use conventional DC adapter to charge the battery module); we are NOT responsible for any damage that is caused by the misuse of the Li-Ion Battery.
  • Please don't make parallel connection with more than  two modules to avoid uneven charge.

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