Amazon.com: aowe New Replacement Battery for Samsung Galaxy TAB 4 SM-T230NU T230 7" Battery Type EB-BT230FBU EB-BT230FBE 3.8V 4000mAh with Tools : Cell Phones & Accessories
Amazon.com: NP99sp NewPower99 Battery Kit for Samsung Galaxy Tab A 7.0 SM-T280 with Tools, Video Instructions, Long Life Battery : Cell Phones & Accessories