Amazon.com: Replacement Battery for Nvidia Shield Game Controller,Shield TV Game Controller,P2920,fits HFR-50AAJY1900x2(B),HRLR15/51,1800mAh/4.32Wh : Video Games
Good Qulity For 147*63*3.8mm Nvidiashield K1 8'' Tablet Battery 3.8v 5300mah Please Read Description! - Tablet Batteries & Backup Power - AliExpress
Amazon.com: Replacement Battery for Nvidia Shield Game Controller,Shield TV Game Controller,P2920,fits HFR-50AAJY1900x2(B),HRLR15/51,1800mAh/4.32Wh : Video Games
Nvidia's Shield Tablet K1 is (mostly) the same tab with a new low price | Ars Technica