No "memory" effect and PCB protection, best choice for your flashlight or other devices.

Features:
PCB board and high quality.
No "memory" effect, and long working time.
Over current protection, over charge and discharge protection.
Great batteries for your flashlight or other devices.
 
Specifications:
Type: Rechargeable lithium battery
Model: 26650
Rechargeable times: Up to 500 times 
Voltage: 3.7V
Capacity: 4000mAh 
Quantity: 2pcs
Package size: 7 * 5 * 2.5cm / 2.8 * 2.0 * 1.0in 
Package weight: 184g / 6.5oz

Package List:
2 * Rechargeable Battery