Outerman Car Battery Charger,12V/12A 24V/7.5A Lithium Battery Charger,Upgraded Automotiive Smart Trickle Maintainer with LCD Screen 4 Charging Mode for AGM Lead-Acid Battery Car Boat Motorcycle&More

Ordinary Battery Mode: No matter what type of the battery (such as SLA battery,WET battery, GEL battery, maintenance-free battery, UPS battery, lithium iron phosphate battery, VRLA battery), as long as the voltage is 12V/24V, our battery charger can be used to charge for your battery.Lithium battery Mode: Commonly used in 12.6V±0.3V lithium battery, cobaltate battery (LICOO2) and ternary material lithium battery.Maintenance Mode: Maintenance after 1 hour, it will automatically switch the battery itself mode.AGM/EFB Mode: Commonly used in14.8V ±0.3V battery.Outerman professional battery charger and maintainer has all the features that you need, whether you are a pro or a beginner: Just connect the clamps to the battery terminal. The reverse polarity alarm will alert you when there is an improper connection. Once connected, the bench battery charger automatically does the rest for optimum performance. Fully automatic high frequency charging delivers 5 stage charging, automatically switching from fast charge, to top-off, to trickle charge. Multiple protection + pulse repair, let you quickly start your machines.Please Note: When two 12v batteries are charged together in series, if one battery voltage is too low, the total voltage is lower than 18v, the charger may not recognize that it is a 24V battery, and may stop charging. The solution is use 12V charge the low voltage first. when the total voltage over 18v, then use 24V charged them together.