• Battery charging time depends on the remainingbattery charge, the type of battery, and thecharger used. The battery can be charged anddischarged hundreds of times, but it willgradually wear out. When the operation time isnoticeably shorter than normal, it is time to buya new battery.• If left unused, a fully charged battery will• Do not short-circuit the battery. Accidentalshort-circuiting can occur when a metallic objectlike a coin, clip or pen causes a direct connectionbetween the + and – terminals of the battery(metal strips on the battery). For example, donot carry a spare battery in a pocket or bagwhere the battery may contact metal objects.Short-circuiting the terminals may damage the