Why should you buy an Energizer battery charger? The Energizer ENC-2A battery charger/maintainer features 6 volt and 12 volt charging selectivity, with a 7 step smart charging technology that will improve your battery’s life cycle.Use for battery maintenance, charging RVs, specialty vehicles, antique and classic cars, marine deep cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, personal watercraft and more.Maintains battery charge in stored vehicles and battery applications. Includes two connector sets:Battery clips Included Fully automatic, provides a charge when needed, stops charging when battery is fully-charged or topped-off.Built-in circuit protection guards against overcharging, reverse polarity or short circuit. Automatic Micro Processor Control Unit Charge: Auto Voltage Detection Detects 6 Volt or 12 Volt batteries, charges, and maintains them. Built-in circuit protection guards against overcharging, reverse polarity, or short circuits. This 6V & 12V battery charger automatically adjusts the amperage rate to charge and maintain batteries. Energizer 2-Amp Fully-Automatic Smart Charger 2 Amp Fully Automatic Battery Charger with LCD Display This trickle charger for car battery automatically switches between charging mode and float mode monitoring. The built-in LCD monitor of this portable car charger will provide you with accurate status and battery voltage measurement. 7-Step Smart Charging Technology These car battery charging units help keep your batteries last longer than simple car chargers. High-frequency smart 7 step charging technology keeps batteries at an optimal charge. Suitable battery maintainer for cars, BMW, Van, motorcycle, campervan, RV, boats, and more. Quick Connection Car Charger Easy connection to vehicle battery using the included battery clips. Just connect the red clamp to the positive pole(+), and the black clamp to the negative pole. This battery charger is perfect and essential car accessories, motorbike accessories, and campervan accessories. The Brand You Can Trust Includes a five-year repair or replace and specialized customer representative via email phone or chat. From a brand you can trust! ETL Approved under UL std 1236 and CSA C22.2