Battery Features:

Capacity:2500mAh
Voltage: 3.7V
Chemistry:Li-ion
Recharge up to 1000 cycles
Size:Approx. 7 x 1.8cm (Height x diameter) *Please make sure the height of the battery fits your needs*
No memory effect(Do not run it to out of power or it would not be charged again)
Widely use don torch laser pointer as emergency lighting and other portable devices
For appliances like Flashlight Torch Light Laser Pointer Cameras RC Toys Remote Controls MP3 Players etc.
Charger Features:

1.Plug: USB
2.Charging Cell Type: 18650 Li-ion
4.Rechargeable Battery Qty: 8
5.Input Voltage: DC 5.0V 1A
6.Output Voltage: 3.7-4.2V/500MA
7.With4 LED indicators intuitive display the charging state
8.Short-Circuit Protection High temperature resistance corrosion resistance
Note: please pay attention to the positive and negative put your battery in the right place or it may burn

Package
1 x 18650Smart 4 Slots USB Charger
8 x 186503.7V Li-ion 3600mAh rechargeable batteries