The ideal battery starter/charger for garage and workshop use The Draper 24391 is an expert quality 12/24V 300A battery starter/charger. The charger has thermal overload protection, an easy-to-read ammeter, Short circuit protection, charging current regulation, polarity inversion and a carrying handle.  Features: Thermal overload protection  An easy-to-read ammeter  Short circuit protection  Charging current regulation  Polarity inversion and a carrying handle Specification: Charging output: 12/24V Input: single phase: 230V - 16A Charging current effective: 50A (RMS) Charging current (average): 35A (EN60335) Cranking current effective: 300A (RMS) Cranking current (average): 270A (EN60335) Dimensions: 340 x 300 x 160mm Weight: 11.8kg