MDHAND 4-Pack Rechargeable Batteries, 6000mah 3.7 V Lithium-ion Rechargeable Battery is Suitable for Electronic Devices Such as Strong Light flashlights - Walmart.com
Li-ion baterry 6000mAh 3.7V
Wuben ABE2600C Best Rechargeable 18650 Flashlight Battery - 2600mAh