Powermania’s Turbo M430 onboard battery charger is waterproof and can charge up to four 12-volt batteries at one time. The battery charger is available prewired with four DC output cables and is rated at up to 30 amps. Voltage can be regulated for flooded or AGM batteries. The M430 provides three-stage smart charging and adaptive loading, among many other features, while allocating more charging power to the battery that needs it the most.
MSRP: $379
888-581-8168, www.powermaniausa.com