TELESIN Dual Charger for GoPro Hero 4 AHDBT-401 Battery Charging -Brand: TELESIN -Dual slot design, you can charge 2 batteries at the same time -Smart LED indicator shows the charging status -Automatic constant current control, prevents battery from overcharging, short circuit, and electronic shock -Compatible for Gopro Hero 4 Battery AHDBT-401 -Input : 5V 2A -Output: 4.35V 800mA(X2) Package Content: -1X TELESIN Dual Charger -1X USB Charging Cable -Battery is NOT included We carry many camera accessories like battery, charger, lens cap, lens hood, etc.. Store Name: "Cable Link" 2525 Carling Avenue, Unit 16, Ottawa, K2B7Z2; Tel: 613-680-6188 Inside of Lincoln Fields Shopping Center (Top level, Besides Elevator, Near "Service Canada")