Overview: Genuine Nokia product Powered by AC 100V-240V 50/60 Hz Charging output: DC 4.2V 350m A+/-50m AUSB power port output: DC 5.2V+/-0.02 == 800m A. Compatible with: Nokia BL-5F, BL-6F, BP-5M, BP-6MT, BL-6P, BL-4B, BL-5BT batteries Specification: Dimensions: 3.27in*1.89in*1.1in Weight:1.72oz