Maxtek Li-Ion Rechargeable Battery for Panasonic DMW-BLB13, Works on DMC-GF1 DMC-GH1 DMC-G1 DMC-G2 DMC-G10 Digital Cameras (For All Firmware Versions, Fully Decoded ID Secured) 100% Compatible with original manufacturer equipments and chargers, guaranteed! Integrated microchip prevents overcharging, overheat & provide short circuit protection. 7.4v 1500mAh (Li-ion Rechargeable Battery) Absolutely no memory effect so that you can charge battery at anytime One year USA warranty!