OEM size custom rechargeable 40000mAh 5200mAh 3.7v lithium 18650 battery

OEM size custom rechargeable 18650 series connection 3.7v lithium battery

18650 battery 800mAh/1200mAh/1200mAh/1500mAh/2600mAh

3.7V/7.4V/11.1V/14.8V/18.5V/22.2V/25.9V 

Capability and Voltage Can be customized

Features: 
1) High quality 3.7/7.2V Li-ion rechargeable battery pack
2) Made of 2-100 cylindrical 18650 cells with PCB and poly switch for full 
protection
3) Light weight and higher energy density than any rechargeable battery
4) No memory effect and rechargeable
5) Longer storage life than Ni-MH battery
6) You Can use a different number of 18650 cell to customize the voltage and capacity
7) Built-in IC chip will prevent battery pack from over charge and over discharge 
and prolong battery life
8) Perfect for built-in 3.7/7.2V battery pack for bike lighting, RC toys (cars and 
airplanes), robots, cameras, and DVD external batteries

Specifications: 
1) Capacity:custom 
2) Voltage: 3.7/7.2V 
3) Dimensions:  19mm*37mm*67mm
4) Weight: 150g. 
5) Max. charge current: 1C (2.0A) 
6) Max. discharge current: 2.5C (5A) 
7) Cut off voltage: 6V 

Cautions:
1) Use special caution when working with Li-ion cells, they are very sensitive to 
charging characteristics and may explode if mishandled
2) Make sure user has enough knowledge on Li-ion rechargeable batteries in 
charging, discharging and assembly before use
3) We are not responsible for any damage caused by misuse or mishandling of
these Li-ion batteries
4) Strongly suggest that you use our smart Li-ion battery charger to recharge 
the battery pack 
5) Never use conventional DC adapter to charge the battery module
6) Please don't make parallel connection with more than two modules to avoid 
uneven charge

(PS: If you have any other battery models needed, please contact us to let us know your requirements, we shall give you the best solution and offer. Your inquiry is highly welcomed.)