This Wasabi Power FW50 kit includes two batteries and one dual USB charger. The batteries replace the Sony NP-FW50 battery pack and the charger replaces the Sony BC-VW1 and the BC-TRW. All items meet or exceed OEM standards. The batteries included in this kit features Japanese cells, 7.2V, 1300mAh. The charger offers outputs 600mA (x2) and charges two batteries at a time from any USB power source.
