4X DOT-01 Brand 1800 mAh Replacement Sony M8 Batteries for Sony HDR-CX440 Camcorder and Sony M8 100% COMPATIBLE with the original Sony M8 battery and charger and Sony DSC-RX100, HDR-AS200V, HDR-PJ440, DSC-WX350, HDR-AS10, HDR-AS15, DSC-RX100 III, DSC-HX400V, HDR-AS20, DSC-HX300, DSC-WX300, HDR-AS30, HDR-MV1, DSC-RX1R, DSC-RX100M2, HDR-CX240, HDR-PJ275, DSC-RX1, DSC-HX50V, HDR-AS100V, HDR-CX405, HDR-CX440, DSC-HX90V, DSC-WX500, FDR-X1000V GET MORE SHOTS FOR LESS compared to the original Sony M8 with this 1800 mAh replacement Sony M8 battery FIVE YEAR WARRANTY included with our Sony M8 battery bundle BEST BANG FOR YOUR BUCK compared to the original manufacturer equipment or other high priced generic brands such as Wasabi Power, Photive, Vivitar, STK, or BM SATSIFACTION GUARANTEED! Contact the DOT-01 Support Team at any time!