battery tender 3 amp car battery charger automotive and maintainer: switchable 6/12 v, fully automotive battery charger and maintainer for cars, suvs, and trucks - 6v/12v, 3 amp charger - 022-0202-cos battery tender stay charged</br>boost your automobile‚äôs battery life with the battery tender automatic battery charger and maintainer by deltran for cars, suvs, pickup trucks, and even boats! unlike typical trickle chargers that can overcharge a battery and cause damage when connected for too long, our advanced technology charger and maintainer provides a full charge before automatically switching to float mode to keep your battery at an optimal charge.</br></br>elite versatility</br>with just the push of a button, you can quickly and easily switch back-and-forth from 12-volt and 6-volt charging to give your vehicle‚äôs battery the correct voltage for its needs, giving it the versatility of two chargers in one space-efficient design. the led display indicates which voltage the charger is set to so you can always ensure a proper charge.</br></br>high powered</br>vehicles today standardly come with more electronics than ever, making it crucial for your vehicle‚äôs battery to be able to meet the demands of modern vehicles. packed with 3 amps to quickly recharge and maintain your battery, our charger is equipped with a smart microcontroller that functions as its ‚äúbrain‚äù to ensure the proper level of power is sent to the battery to keep it operating at peak performance.</br></br>easy to use</br>there‚äôs no need to work harder when you can let our smart battery charger and maintainer do the work for you! with the quick disconnect harness, you can connect and disconnect the charger in just seconds. the portable, lightweight charger comes with a 12-foot output cord, fused alligator clips for an alternate connection, and a fused ring terminal harness for hard to reach spaces.</br></br>safe and secure</br>connect and forget with battery tender! capable of managing battery health all on its own while using less electricity to be eco-friendly, this charger and maintainer is equipped with reversed hook-up protection that checks for a correct connection before providing power to remain