• John Yi

Rechargeable 9V battery

9v battery is widely used in electric devices. And whenever you're needed to buy it, they are always one time used. Now PNAS released a rechargeable 9V battery. and what's different with the one time used one is its constant 9v output. The one time used one will be decreased the voltage during using.


  1. USB charging;

  2. Constant 9V output;

3 views0 comments

Recent Posts

See All