【2 in 1 Lead Acid LiFeP04 Battery Chargers, Maintainers and Desulfurizers】12V 20 Amp, 24V 10Amp 7-stage quick battery charger, Ideal for fast charging and servicing all types of 12V and 24V lead-acid Automobile, RV, Powersports and deep cycle batteries including flooded, gel, AGM, SLA, GEL, onboard battery chargers for boats, truck, SUV, farm vehicle, tricycle, golf cart, motorcycle, lawn mower, all-terrain vehicle, lithium LiFeP04 batteries etc.,【Efficient Pulse Repair, Battery Rejuvenation】Battery chargers automobile 12 / 24 volt input power: 100-240V. Adopts high-power high-frequency low-frequency pulse technology, which can better eliminate the vulcanization phenomenon of the battery, help restore the lost performance of the old/idle battery, and prolong. NOTE: It can not activate a dead battery or repair a damaged battery, also can't jump-start the car.,【Upgrade Charging Protections】Trickle charger for car battery 12/24 v can be optimized for the climate, and easily handle various over-cooling and over-heating voltage environments. Provide up to 11 items of charging protection, such as reverse polarity, overheating, overcurrent/overvoltage, short circuit protection, etc. We set a child lock, when the product is charging, it will automatically open to protect you and your battery. Note: If the dE5 mode is displayed during charging. You don't need to do anything. Just wait at least 5 minutes for the charger to automatically adjust and start charging the battery.,【Portable Storage, No Longer Messy】Portable car battery charger clips on both sides of the charger, can be clipped onto the back of the product, and the messy power cord can be stored, making your charging cord tidier. At the same time, we designed a portable handle, The battery charger only weighs 1.8 pounds, which is convenient for you to move it. Note: The red clip clamps the positive electrode, and the black clip clamps the negative electrode.,【Large Fan, Silent Heat Dissipation】Automotive battery charger has large silent fans inside, which can dissipate heat in time, combined with intelligent control, it is very quiet when dissipating heat, uses ABS flame-retardant shell, fireproof, corrosion-resistant, electric shock, and is more durable.