6V 12V Automatic 3.0 Amp Battery Charger for Car Motorcycle Car ATV

Keep your batteries charged and ready with this 6V/12V automatic 3.0 amp battery charger and maintainer. It is a great fit for cars, motorcycles, motorboats, RVs, lawn mowers and kids' electric ride-on cars.

Smart, Automatic Charging

The charger automatically detects battery voltage and switches between 6V and 12V as needed. Built-in overcharge protection and reverse polarity protection make it safe for everyday use. It also adjusts for temperature to help avoid over-charging in hot weather (up to 104°F / 40°C) and under-charging in cold weather (down to 58°F / 10°C).

Key Features

• Automatic 6V/12V detection
• 3.0 amp charging (1-3A)
• 3 selectable modes: AGM/GEL/WET/STD, Lithium/LiFePO4, and a Repair mode to help restore battery health
• Wide battery compatibility: lithium, LiFePO4 and lead-acid (AGM, GEL, SLA, flooded, WET, EFB)
• Overcharge and reverse polarity protection
• LCD display showing charge level
• Standard SAE connectors to switch quickly between clamps and ring terminals
• Plug-and-play operation

Specifications

• Battery voltage: 6V / 12V
• Charging current: 1-3A
• Input voltage: 100-240V AC (US plug)
• Output power: 60W
• Charger size: approx. 4.33 x 2.7 x 1.5 in
• AC power cord: 33 in
• DC output cable: 55 in
• Clamp lead and ring terminal lead: 19.6 in each

Package Includes

• 1 x 6V/12V 3A battery charger
• 1 x Alligator clamp lead (SAE)
• 1 x Ring terminal lead (SAE)
• 1 x Instruction manual

How to Use

Connect the clamps or ring terminals to the battery, plug the charger into a wall outlet, and press MODE to select the right mode for your battery type.

Common Questions

What types of vehicles and batteries will this charger work with?
It works with 6V and 12V lithium, LiFePO4, and lead-acid batteries—including AGM, GEL, SLA, flooded, WET, and EFB. You can use it on cars, motorcycles, ATVs, motorboats, RVs, lawn mowers, and kids' electric ride-on cars.

Do I need to manually set the voltage between 6V and 12V?
The charger automatically detects whether your battery is 6V or 12V once connected. You only need to press the MODE button to select the charging mode that matches your battery chemistry.

Can this charger be used on LiFePO4 and lithium batteries?
Yes, it has a dedicated Lithium/LiFePO4 mode built specifically for charging 6V and 12V lithium and LiFePO4 batteries safely.

What comes in the box?
The kit includes the 6V/12V 3A battery charger with an LCD display, one SAE alligator clamp lead (19.6 in), one SAE ring terminal lead (19.6 in), and an instruction manual.

Is it safe to leave connected as a battery maintainer?
Yes, it is built with automatic overcharge protection, reverse polarity protection, and temperature compensation that adjusts charging between 58°F (10°C) and 104°F (40°C) to help prevent over-charging or under-charging.