Kastar 2 Pack Micro USB Rechargeable Li-ion Polymer 9V Battery LI9V Works with Toys, Clock, Multimeter, Digital Camera and Game Controller as 6F22

Feature

Kastar rechargeable 9V battery: High Capacity 680mAh, replace dry battery perfectly.
Equipped with Micro USB charge port, which is convenient and efficient.
Intelligent power chip inside to make sure the charge up to full-charge with constant voltage.
Charge it anytime anywhere, no need to afraid that whether the battery run out.
Short-circuit protection inside and it is unwarming for long time charging.