2 x Ultro Firc BRC 6800mAh Lithium Ion Battery 3.7V Li - ion 66x18mm | eBay
Other Batteries & Chargers - FA-18650-2 Lithium Battery 18650 6800mAh x 2 was sold for R50.00 on 12 Mar at 12:33 by Super Electronics in Johannesburg (ID:578650239)
Amazon.com: 18650 Battery Charger 4 Bay Fast Charge, for 3.7V Li-ion TR IMR 10440 14500 16650 14650 18350 18500 16340(RCR123) Batteries, USB Intelligent Universal Rechargeable Battery Charger : Electronics
1pc 18650 Li- Ion Rechargeable 2.7a 3.7v 6800mah Lithium Battery For Bright Light Flashlight, Game Console, Camera Battery - Rechargeable Batteries - AliExpress