【Compatibility】 100% compatible with all Fisher-Price power wheels 12 volt using grey batteries (not compatible with orange top batteries) 【Safety】 Lithium iron phosphate batteries are a replacement for lead-acid batteries, with the advantages of high energy density, long cycle life and good safety performance.SefePoder batteries have built-in BMS protection to prevent overcharging, overdischarging, overcurrent and short circuit. 【Long life】Lithium-ion batteries have no problem to cycle more than 2000 times, while traditional lead-acid batteries only 300-500 times, the weight is only 1/3 of lead-acid batteries and does not contain acid, safe and no leakage, more environmentally friendly than lead-acid batteries. 【Connectors】Includes 3 replaceable 40 AMP fuse connectors, the harness connectors are 100% compatible with all Fisher-Price 12 volt power wheels using grey batteries. 【What you get】: 1* 12.8V 20Ah lithium battery and 1*Power Wheels battery connector, 12 months warranty, if you have any questions about our products, please contact us. Replacement Battery Compatible with Fisher Price Power Wheels 12 Volt Battery