Multitester tested for voltage. This is an ORIGINAL GenuineLG FACTORY wall mountbattery charger adapter voltage regulator, power supply, powersupply, inverter, adaptor.AC input 120V andDC output: 4.8V 500mA (aka: 4.8vdc 0.5A). Amperage can be higher, but never lower.Special heavy wrapping isprovided to protect the prongs. S&H in the contiguous USA is $3.(insured shipping).Please see other interesting items by JGrit.USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 4 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.