Power up your child's ride-on vehicle with this reliable 6V 4.5Ah lithium-ion battery pack. Specifically designed for kids' ride-on cars and toys, including Hyper Disney Princess and Marvel Spider-Man ATVs, this battery serves as an excellent replacement for traditional lead-acid batteries. With a compact size of 2.76*1.7*3.94 inches, it's perfectly engineered to fit your child's vehicle while delivering consistent power output. The battery features clear safety indicators and comes with essential connecting cables for hassle-free installation. Suitable for children aged 3 years and up, this battery pack is built with durability in mind and includes protective features against overcharging and short circuits. Regular maintenance is simple - just keep it cool and dry, and recharge every 3 months during storage. The battery pack weighs 0.64 pounds and comes with comprehensive usage instructions. For optimal performance and longevity, always use a licensed charger specifically designed for lithium-ion batteries. Note: 1. Please do not use any charging equipment other than that provided with this appliance for charging. 2. Before use, please read the instructions carefully and pay attention to the connection positions of the wires. If you have any questions regarding usage, feel free to contact us at any time.