Suitable for both petrol and diesel engines. Compatible with all engine sizes. Suitable for all 12V battery types up to 30Ah including gel, MF and acid batteries. Quickly charges battery at 600mA/hour until full and maintains a gentle trickle charge to keep battery optimised. Protected against short circuit for 240V. Plug-in battery care for 12V lead-acid batteries up to 30Ah. Recovers deeply discharged batteries.