Compatible Models: GoPro AHDBT-401GoPro HERO4 BlackGoPro HERO4 Silver Feature:1. Premium lithium-ion cells New rechargeable battery pack2. High energy density, extra-long life, memory-free3. Extra power, more shots for your cameras Package Include: Depending on the set you choose 4x AHDBT-401 batteries 1x LCD 3 slots USB charger 1x USB charging cable 1x ManualAbout Shipping Normally, we will ship the goods within 2-3 working days when yours is finished. If it's campaign day, we'll ship the cargo within five days. Usually, after we ship, the express system takes 2-3 business days to update online. Normally, the free shipping package can be delivered within 6 weeks. If you did not receive your package on time, please let us know, we will track the package. Returns & Warranty1. 12 months warranty, you can rest assured to buy.2. If the item is defective, please notify us within 3 days of receipt. Much appreciated if you can communicate with us instead of opening a dispute.3. If it is a non-man-made damage within 12 months, you can still send it back to us. We will send you a replacement after receiving the defective one. Feedback Your satisfaction is our ultimate goal and your feedback can push us to go further. If you are satisfied with our products and service, please leave us 5-star feedback. If you are not satisfied with our products, we ask you to give us immediate feedback BEFORE giving us neutral or negative feedback. hours Monday-Saturday: 9:00 am - 6:30 pm Please note: Other times are available, we try to serve you at any time for your convenience as best we can. WELCOME Highly Concerned Chemical: None, Package: Yes Type: Standard Battery, Rechargeable: Yes Model Number: AHDBT-401, Usage: Camera Brand: Batmax, Origin: China Battery Type: Rechargeable Li-ion battery, Capacity: 1680mAh Voltage: 3.7V , For: GoPro HERO4 Black/Silver cameras