The Twin V Pro is a high end fast charger for Lithium Ion Digital Camcorder Batteries. One or two batteries can be charged simultaneously, each with it's own independent charge control system, with a sophisticated LCD info display. Supplied with a 12v lead as well as a mains adapter, the Twin V Pro Video can be used at home or while on the move. - allowing the charging of different Li-Ion batteries from different SLR Cameras. ; Modern style housing with slide-out charger cover - depending on battery; Variable charge current Battery overheating protection - depending on battery capacity; Twin V Pro converts to a battery tester when power is not connected. ; Interchangeable battery contact plate - turning into a stand-up charger support - ; Fast charger for 1 or 2 lithium ion batteries; 2 charge control systems with 2 LCD Displays - 1 for each battery ; Charge time approximately 1 to just over 2 hours