Features and benefit:
High quality 14.8 V Li-ion rechargeable battery pack
Made of four 2, 200mAh 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 14.8V/4.0Ah 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 14.8V battery pack for bike lighting, RC toy, robots, laptop
And DVD external battery