Up for sale is a JVC BATTERY PACK BN-VG108U

For:

GZ-HD500, GZ-HD500AA, GZ-HD500B, GZ-HD500BU, GZ-HD500SEK, GZ-HD500SEU, GZ-HD510, GZ-HD510B, GZ-HD-510BEU, GZ-HD520, GZ-HD520BEU, GZ-HD520U, GZ-HD620, GZ-HD620AA, GZ-HD620B

GZ-HM300,,300B, 300UB, 300BUS, 300SEK, 300SEU, 300U, 320, 320BUS, 320U, 330, 330BEK, 330BEU, 330SEU, 334, 334B, 334BEU, 335, 335BEU, 340, 340BUS, 340U, 350, 350B.

And many, many more models.