HP Slate 7 4601 Battery Replacement - iFixit Repair Guide
Gomadic High Capacity Rechargeable External Battery Pack suitable for the HP Slate 6 VoiceTab II - Portable Charger with TipExchange Technology - Walmart.com
HSTNH-B19C-S NEW Original Battery 3000mAh For HP Slate 6 6301RA Pomegranate | eBay