Sony Branded Retail Package Can be charged or discharged without developing memory effect The NP-FG1 supports Sony's info lithium system  
Sony Digital Imaging | make.believe body { padding: 0; margin: 0; }
Battery Charger
AC 100-240V, 50/60Hz
Compact Battery Charger
AC 100-240V, 50/60Hz
Compact Battery Charger
AC 100-240V, 50/60Hz
BC-TRX BC TRN2 BC-TRV InfoLITHIUM® G Type Rechargeable Battery
3.6V typ. 3.4Wh (960mAh)
LITHIUM Ion N Type Rechargeable Battery
3.6V typ. 2.3Wh (630mAh)
LITHIUM Ion X Type Rechargeable Battery
3.6V typ. 4.5Wh (1240mAh)
InfoLITHIUM H-Series Rechargeable Battery
6.8V typ. 6.1Wh (900mAh)
NP-FG1 NP-BN1 NP-BX1 NP-FV100