Package : YesModel Number : 42V 2ADisplay screen : NoIntelligent Charge : YesQuick charge : YesType : ElectricBrand Name : YYHQQBADCertification : CENote:Order more than 10 at a time, we will send fedex fast logisticsSpecifications:- 100% Brand New and high quality Super strong protection.- lnput : 100-240VAC,50/60Hz- Output : 42V 2A- Charge indicator:Charging the red light is full of green light- Security protection: OVP/OCP/ Overload protection/ Short-circuit protection- Color: Black- Power Max: 84W- Plug EU / US / AU / UK(Please choose the plug of your country, we will ship according to the plug of your choice, please leave a message to us if you don't know your country plug.)Package included:1Pcs 42V 2A Charger1Pcs power power cableUse 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.Please use the charger in a dry place in time.6.When you do not use the charger, do not always connect the power supply.