This portable 12V trickle charger is suitable for charging and maintaining all types of 12V lead-acid batteries, including submerged or sealed maintenance-free batteries (AGM and gel batteries). It is fully automatic and microprocessor-controlled, ensuring safe and easy operation. With maximum voltage up to 14.8 volts, this lightweight charger is energy-saving and efficient, making it the best choice for cars, trucks, boats, motorcycles, RVs, lawn tractors or any other 12V vehicle. The LED indicator shows charging status, and the charger automatically stops charging and maintains the battery once it is fully charged, preventing overcharge, short circuit and reverse polarity. Features: 1. Trickle Charger: It can charge all types of 12V lead-acid batteries, including submerged or sealed maintenance-free batteries (AGM and gel batteries). It is the best smart charger for cars, trucks, boats, motorcycles, RVs, lawn tractors or any other vehicle equipped with a 12 volt battery. 2. Fully Automatic: No need for any manual operation, just plug in the power to automatically charge and maintain the battery for a long time. A microprocessor-controlled program will monitor the entire charging process and automatically stop when the battery is fully charged. It then monitors the battery voltage and maintains the battery with a float current. 3. Microprocessor Control Program: Don't worry about overcharge, short circuit and reverse polarity. Non-sparking technology is applied. Safer floating charger with maximum voltage up to 14.8 volts. 4. Easy To Operate: Energy saving design, one LED indicator shows different charging status. Just connect the charger to the battery, plug it in. 5. Note: Be careful with the positive and negative poles of the clips (red = positive, black = negative) Specification: Material: Plastic Color: Black Size: 3.8 x 1.9 x 2.2 Inches Model: 12V/1.2A Rated Output Voltage: 12-14.8V Input Voltage Rating: 110-240V Recommended Battery Capacity: 12v / 7-10Ah Input Frequency: 50-60HZ Maximum Output Power: 15W Ripple: 120mV Efficiency (100% Load): 85% Current Limit: 1.2A Leakage Current: 0.25mA Operating Temperature: 50F- 122F Working Humidity: 5% - 95% Weight: 300g Package Included: 1 x 12V Battery Charger With 2 Clips