HP R830/R840 manual Safety precautions for recharging batteries

•Unplug the power adapter or quick recharger from the electrical outlet before cleaning the power adapter or quick recharger.

•After extensive use, the Lithium Ion battery may begin to swell. If it becomes difficult to insert the battery into or remove the battery from the camera, dock, or quick recharger, discontinue use of the battery and replace it with a new one. Please recycle the old battery.

Safety precautions for recharging batteries 51