Portable & robust heavy duty battery charger with LED's to show current charging levels, double insulated and protected against thermal overload and reverse battery connection. 12v 4 amp. Plastic cased. 2.6 amp DC, (4 amp RMS ) charging. Suitable for lead acid batteries only. For use with car, motorcycle & lawnmower batteries. Suitable for lead and acid batteries only, leds show current charging levels. • Suitable for 12V batteries and batteries with a capacity of 4Ah. • Charge time up to 10 hours. • Reverse polarity indicator. • Short circuit protection.