Features:
9V 6F22 Li-ion battery.
Capacity is up to 600mAh.
No memory effect， long battery life.
Add a protective plate to prevent anti-wear and short circuit.
Stable performance and safe to use.
With a plastic box to keep the battery. 

Specifications:
Type: 6F22 Li-ion battery
Capacity: 600mAh
Voltage: 9V
Max.dischargeable current: 650mA
Mini.cut-off voltage: 5.5V  
Quantity: 2pcs
Item size: Approx. 4.7 * 2.5 * 1.5cm / 1.9 * 1 * 0.6on
Item weight: 27g / 1oz (1pcs)
Package size: 5.5 * 5 * 2cm / 2.2 * 2 * 0.8in
Package weight: 65g / 2.3oz

Package List:
2 * 6F22 Li-ion Battery