Tenergy Li-Ion 18650 3.7V 5200mAh PCB Protected Rechargeable Battery (Hard Case)

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Sale Price: Special Order
Item Number: 99999-0028
Minimum Order Amount: 1000+

Features and Benefits

  • High quality 3.7 V Li-Ion rechargeable battery pack in hard case.
  • Made of 2 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.
  • You can build 7.4V/5.2Ah Li-Ion battery pack by connecting two or three PCB ready battery module in parallel. 
  • Built-in IC chip will prevent battery pack from over charge and over discharge and prolongs battery life.
  • Perfect for building 3.7V battery pack for bike lighting, RC toy (cars and airplanes), robots, cameras, DVD external battery.
  • Recommend our Smart  Li-Ion Battery  Charger to charge the battery pack (with charging volatge set at 4.2V on the charger).

Technical Specs

Capacity  5200mAh
 Voltage  3.7V
 Dimensions  70 x 38 x 20.5mm (LxWxT)
 Weight  3.7 oz
 Max. charge current  1.5 A
 Max. discharge current  5.2A
 Cut off voltage

 Over-Charge Protection: 4.35V
 Over-DisCharge Protection: 2.4V



  • 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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