LP 9V USB Rechargeable Battery Pack
Package Contents:
2 * LP 9V USB Rechargeable Battery (8.4V/600mAh)
1 * Micro-USB Charging Splitter Cable (2 males)
1 * Storage Case
NOTES:
※ Please confirm the specific model of your battery when purchasing. Wrong purchase will result in unusable.
※ Please don't mix-use LP 9V Li-ion rechargeable battery with any other 9V battery. Mix-use may result in unusable.
※ There are many kinds of 9V batteries. And their voltages are different.
NIMH battery voltage is between 7.2-8.4V, Li-ion battery range is between 6V-8.4V, alkaline voltage range is 6V-9.6V.
They all work fine but the lithium ion is more powerful with high capacity and more cycle times.