MATSON Waterproof 12V Battery Charger 5 Amp (AE500E) LED display with battery status indicators Microprocessor controlled Smart Pulse Technology Maintenance capabilities Inbuilt safety protections Replacement charging lead – Part: AE500E-1 Suitable for small (100cca) to large (750cca) cranking batteries Suitable for small (10ah) to large (200ah) storage batteries