My Z4 Tablet still has great battery life. Sony should definitely make a new tablet!! : r/SonyXperia
Original Replacement Sony Tablet Battery Lis2210erpx Lis2210erpc For Sony Xperia Z4 Tablet Ultra Sgp771 Sgp712 Genuine 6000mah - Digital Batteries - AliExpress
Amazon.com: Battery Replacement for Tablet Fit Model Sony Xperia Z4 Tablet SGP712 SGP771 Part Number Sony LIS2210ERPC LIS2210ERPX 6000mAh / 22.80Wh 3.8v Li-Polymer Black LIONX : Electronics
LIS2210ERPX NEW Battery 6000mAh For SONY Xperia Z4 Tablet Ultra SGP712 SGP771 | eBay
LIS2210ERPX NEW Battery 6000mAh For SONY Xperia Z4 Tablet Ultra SGP712 SGP771 | eBay
Sony Xperia Z4 Tablet review: the almost-perfect tablet | nextpit