RND Battery Charger and 2600mAh Standard Battery for Samsung Galaxy S4 and S4 - Retail Packaging - Black Perfect replacement or secondary battery made specifically for your Galaxy S4 or S4 Active Power Protection Circuit included. 2600 mAh Compatible With: Samsung Galaxy S4 | RND Power Solutions products comes in professional retail packaging and offers a 1 year hassle free warranty. Authentic RND Power Solutions products will have our branding on the product and packaging.