POWER KIT 030 is ultra rapid charger with built-in intelligent processor, channel-independent temperature and voltage monitor, overload timer protection, temperature control, voltage cut-off, bad battery detection, etc. 4 independent channels allow simultaneous charging of 1-4 assorted Ni-MH AA/AAA batteries. PK030 charges 4x AA ULTRA RAPID batteries 2000mAh in 30 minutes. Dual power supply (110-240V or 12V DC in car)  Using the included 12V DC car adapter you can charge the batteries also while driving your car 4 independent channels allow charging 1-4 Ni-MH AA/AAA batteries (also mixed) at the same time Built-in intelligent processor detects type and level of each inserted battery Cooling fan for over-heating protection during ultra fast recharging 4x Fiamo ULTRA RAPID AA 2000mAh batteries included