1.Well-Known TradeMark 2.Rechargeble Lead-acid battery 3.LED source,energy-saving,long-life 4.Good quality Instructions1.To ... battery, pull the plug out of the bottom of the flashlight and insert the plug in the wall socket with 110V ... the battery. After charging, push the plug back to the flashlight. Maximum charging time should not exceed 18 hoursCautions1. Charge it ...