User manual GP BATTERIES POWERBANK RAPID 2

[. . . ] * Plug-in charger * AC100-240V for worldwide use * Charge 2 or 4 pieces of AA or 2 pieces of AAA rechargeable batteries * Charge NiMH batteries only * Termination methods - Minus delta voltage (-dV) - Safety timer - Temperature sensor * Primary and damaged batteries detection * One dual colour LED indicator * Safety guaranteed Charge 2 or 4 pieces of AA or 2 pieces of AAA batteries in pair(s) only. [. . . ] For the best performance and safety, charge only GP NiMH with GP PowerBank Rapid 2. For brand new batteries, 2 to 3 times of charging and usage cycles are required to optimize the batteries' performance. If batteries are stored for more than one week, always recharge them before use. It is normal for batteries to become hot during charging and they will gradually cool down to room temperature after fully charged. Remove batteries from the electrical device if the device is not going to be used for a long time. Do not charge other types of batteries such as alkaline, rechargeable alkaline or any other kind of batteries not specified as they may leak or burst, causing personal injury and damage. [. . . ] Unplug the charger from the outlet before attempting cleaning or when not in use. [. . . ]