Draper BM1(H) battery master is designed to be left connected to automotive-type batteries for extended periods of time. It will maintain the battery in a charged ready-to-go state, ensuring, for example, that a vehicles alarm current does not drain the battery. Fitted with crocodile clips, in-line fuse and 4M of cable.
Product Summary
Input : 230V AC - 50Hz
Output : 12V DC 300mA
Cable length : 4M
Battery suitability : 30 -140Ah