Cylindrical cell, No memory effect and longer storage life than NiMH Batteries, Lighter weight and higher energy density than any other rechargeable battery-Ion cylindrical rechargeable batteries 3.7V 2000 mAh high capacity High energy density and lower weight than other rechargeable batteries Battery tested based on International Electro technical Commission (IEC) standard to ensure capacity, quality, and life time .
Superb discharge and storage capacity
Low self-discharge and good discharge performance at low temperature.
Best for arduino,Power bank, DIY work etc.
Use as solar cell battery