Amazon.com: REYTRIC EB-BT230FBU/FBE Battery Compatible with Galaxy Tab 4 7.0" Replacement Battery Kit 3.8V 4000mAh 15.20Wh with Tools SM-T230 T231 T235 T239 Series Tablet GH43-04179A : Electronics
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Amazon.com: NP99sp Battery Kit for Samsung Galaxy Tab S2 9.7 SM-T813, SM-T810, SM-T815, SM-T817 with Tools, Video Instructions, Extended Life Battery from NewPower99 : Electronics