Wasabi Power Battery (2-Pack) and Dual Charger for GoPro GoPro HERO4 and AHDBT-401 AHBBP-401 (Electronics)
A battery arrived with bad contact, returned everything. There seemed to be quite a problem with the seller and defective battery, yet it is good stuff, you just test it before sending, but these comments are gone, that's why I ' loses a can of time