SBC 500 NRG+ Series Battery Charger - 12V - 40A - 3-BankThe long experience we have in the nautical field has given us the ability to evolve the range of SBC battery chargers, now called NRG+, with superior performance to those currently on the market.The advantages which the SBC NRG+ battery chargers offer, are:Three stage IUoU battery chargingHigh efficiencyMultiple outputs in order to charge more groups of batteriesDifferentiated charging for open or sealed liquid electrolite, Gel, AGM, Optima®Integrated output fuses inside the battery chargersCapacity of supplying full power with low AC mains voltageLow residual fluctuation on outputPower factor equal to 1Compatible with the generatorsShort circuit, overloading, output overvoltage and overheating protectionCan work in a wide range of ambient temperaturesVariable speed for the cooling fan