Battery suitable for Sony T310 - 700 mAh 3.7 V battery (Black) - BatteryUpgrade
THE BATTERY STORE Original Battery for Samsung Galaxy Tab 3 8.0 SM-T310 SM-T311 SM-T3110 SM-T315 Battery with 6 Month Warranty and high Capacity Battery Backup(for T311) : Amazon.in: Electronics
Replacement Battery with Tools for Samsung Tablet Tab 3 8.0", SM-T310 T311 T315 T4450E | Walmart Canada
Inrico B-50e Walkie-Talkie Battery Factory for 2g/3G/4G Ptt Android Inrico T310 Wireless Radio - China Walkie Talkie Lithium Battery and Two Way Radio Battery price | Made-in-China.com