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.