Diehard 80/20/10/2 Amp Fully Automatic Battery Charger: * Microprocessor controlled * Fully automatic * 5-stage charging process for precise charging and monitoring * 80-amp engine start for quick starting * 20-amp rapid/10-amp fast charge * Ideal for car, truck, marine, RV and farm equipment * 2-amp slow/maintenance charge for charging small batteries * Charges motorcycle, ATV, snowmobile and lawn tractor batteries * Float-mode monitoring * Battery and alternator tester * Easy-to-use touch pad controls * Digital display and status * 125-amp * Reverse hook-up protection * Rust-proof, non-conductive, high impact, molded polypropylene case