Custom 24V10AH mower lithium battery pack Customized 24V10AH lawn mower ternary lithium iron phosphate battery pack Remember not to charge batteries and electric vehicles in sun-exposed places. Whether it is usually, or when charging, it is necessary to stay away from open flames and high temperature heat sources to prevent excessive temperature from causing battery explosion. Estimate the charging time to avoid overcharging. Lithium batteries have no memory effect and can be charged for about 5-8h per charge.