Nite Ize Inova T4R PowerSwitch Rechargeable Tactical Flashlight T4RE-01-R8 - The Home Depot
Amazon.com: Synergy Digital Flashlight Battery, Compatible with Inova T4 Flashlight, (Li-ion, 3.7V, 2200mAh) Ultra High Capacity, Replacement for Inova FLB-LIN-7 Battery : Health & Household
Replacement for Inova UR611 Battery - Fully Compatible with Inova FLB-LIN-7, T4, T4 Lights - (2200mAh Li-ion) - Walmart.com
Amazon.com: Replacement Battery for Inova T4, T4 Lights, UR611 3.7V/2200mA : Tools & Home Improvement