This panasonic ag vbr59e 5900 mah 728 v battery for panasonic ag dvx200 aj px270 aj px230 aj pg50 ag ac90a ag ac8 hc x1000 and hc mdh2 camcorders is part of panasonics new ag series of high performance batteries boasting a larger capacity 8850mah and longer operating times a full charge takes approximately 3 hours and 20 minutes