E-FAST 3 in 1 Car Battery Charger and Battery Tester w/Pulse Repair 12V 6A LiFePO4 Lead Acid Automobile Battery Charger Maintainer 40-999 CCA Digital Auto Battery Analyzer Automotive Trickle Charger

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• Multi-function:This battery tester has the best price/performance ratio, it is an all-in-one solution for battery tester and battery charger. It can test all 12V 40-999CCA batteries, including lead-acid batteries/LiFePo4 AGM,EFB,GEL batteries, and provides a comprehensive analysis of the battery's health condition, helping you to know the status of your batteries in advance before they are depleted. And you can charge the battery immediately after checking the battery to keep it healthy.
• Displays overall battery data: The battery load tester provides you with reliable and comprehensive battery parameters such as voltage, current, battery health and state of charge. In addition, the battery cca tester will provide you with professional advice, whether it's replacing the battery or charging it.
• Pulse Repair：battery tester 12v automotive Built-in battery reconditioning mode to help restore old/idle batteries and extend battery life. If the car battery charger fails to charge the battery, use the reconditioning mode. High frequency and low frequency pulse technology provides good restoration and activation effect. Note: It cannot activate a dead battery or repair a damaged battery.
• 8 charger protections: The car battery tester is climate optimized to easily handle a wide range of overcooled and overheated voltage environments. It provides 8 charging protections, such as reverse polarity, overheating, overcurrent/overvoltage, short circuit protection and so on. We set up a child lock which will automatically open when the product is charging to protect you and your battery.
• Lightweight & portable，easy to operate: The lifepo4 battery tester weighs only 1.3 pounds, and it will automatically stop when fully charged, no need to wait during charging. Easy to carry and store. Car battery charger mode with memory function. After charging, it defaults to the state mode used before the last power failure.