Dual Pro Sportsman Battery Charger 3 Battery 30 Amp A smaller, more affordable, and lighter charger is what Sportsman customers asked for. Sportsman put safety and reliability first. Dual Pro Batteries use zero spark technology, are fully automatic, and totally waterproof. They earned the title of having the #1 choice for boat manufacturers. With LED readings and microprocessors make the unit even easier to use!Product Specifications One 10 Amp Bank; Size: 4.75"H x 8.00"W x 6.38"L; Features: On-board diagnositc codes; Battery maintenance mode; Temperature compensated; Advanced microprocessor controlled; Battery systems available: 12V - 48V; LED lights indicate the state of charge; Reverse polarity protected; No installation restrictions; FCC Parts A & B interference compliant; DC charge cables = 5ft. AC power cord = 3ft.; Approved and meets ISO 8846 Marine standards; Ignition protected (US Coast Guard 33 CFR 183.410; Made in the USA