Keep your favourite gadgets working at full power with this handy lithium ION battery charger that will keep multiple battery sizes running, allowing you to charge rechargeable batteries time and again. Supplied with a micro USB charging cable, this practical battery charger automatically stops charging when your battery is full and has advanced built in protections to protect from over voltage, over charging and short circuit as well as detecting bad batteries and reverse polarity. With intelligent charging speed optimisation, this charger is Ideal for use with rechargeable batteries of various sizes from 10440 to 26650 (and comes with a 18650 rechargeable battery included), making it easy to make more environmentally conscious choices. GP lithium ION battery chargerSupplied with a 18650 rechargeable battery Suitable for use for multiple battery sizes ranging from 10440 to 26650Intelligent charging speed optimisationAdvanced built in protections; protects from over-voltage, over-charging and short circuitDetects bad batteries and reverse polarityAutomatic cut off; stops charging when your battery is fullMicro USB charging cable includedInput: DC 5V 1AOutput: DC 4.2V 0.5A, DC 4.2V 1A