9V 300mAh Ni-Mh Rechargeable Battery -MP
300mAh high capacity 9V rechargeable batteries, long use time by one charge.
No memory effect can be charged and used anytime.
Improved low self-discharge makes it still maintain 85% of capacity after 1 year of non-use
Batteries can be recharged up to 1200 times, a big saving by replacing hundreds of single-use batteries.
Recommended for smoke alarms, professional audio, and medical devices