Rechargeable Tokyo Marui 7.2V500mah battery for AEP USP / M93R / G18C / Scorpion Mod M AEP, the maximum shots is 2500rds with fully charged. It can also be used to power the Tokyo Marui MP7A1 and MAC10 AEP when used together with the Tokyo Marui EX Conversion Adapter for 7.2V Micro EX 500 Battery. In other words, the adapter allows this battery to used in the MP7A1 and MAC10.