Toshiba Satellite Pro C850-1K3 Laptop Battery by Powerwarehouse - Premium Powerwarehouse Battery 6 Cell - Newegg.com
TOSHIBA Satellite Pro C850-10V - 6 Cell PA5024U-1BRS Original Laptop Battery
Battery for Toshiba Satellite Pro C850 C850D PA5023U-1BRS PA5024U-1BRS PABAS259 727542457283 | eBay
Synergy Digital Laptop Battery, Compatible with Toshiba Satellite Pro C850 Laptop, (Li-ion, 10.8V, 4400mAh) Ultra High Capacity, Replacement for Toshiba PA5023U-1BRS Battery - Walmart.com