INPUT: AC100-240V 50/60HZ charging current: 1.5A Charging mode: CC-CV charge indicator:Red:Charging Green: Charged OK Charger port: mini 3Prong inline product size:132*57*32MM Cable length: 39.4 In / 100 CM security protection: OVP/OCP/ Overload protection/ Short-circuit protection Packing: battery charger*1 US plug cable*1 Use and maintenance of the charger : 1. When charging, first connector to the battery, then connect to AC; after full, cut off AC, then pull the battery plug. If you pull the battery plug first while charging, especially when the charging current is large (red light), it is very easy to damage the charger. 2. When the LED light turns green, please continue charging for 2-3 hours. 3. Please do not run out of battery power, then charger. Otherwise the battery cannot be protected or even damaged. 4. long-term shallow discharge battery, about 3 months, for a deep discharge, is the so-called re-lighting, which is conducive to the activation of long-term immobile material in the deep part of the battery. Luminous means that riding the controller battery undervoltage protection action. 5. If your battery has not been used for a long time (2-3 months), please charge the battery before using it. Make sure your battery is not broken. 6.Please use the charger in a dry place in time. 7.When you do not use the charger, do not always connect the power supply. Tangspower has always devoted itself to providing products with excellent quality for the end-users. If you are not satisfied with our product, let us know and you will be offered a full refund or replacement.