ENERSTAR AA BATTERIES 18pk Battery may explode or leak if inserted incorrectly, short-circuited, disassembled, heated, disposed of into fire or recharged. Replace all batteries at the same time. Batteries may leak and could cause Bodily Harm, Property Damage or Damage to the Device if they are not removed when the device is not used for a long period of time (more than 10 days), or if the batteries are drained.