18650 Green Lithium-Ion Rechargeable Battery | xUmp
Amazon.com: 1Pcs 18650 3.7v 4400mAh 1S2P Li ion Rechargeable Battery Pack with 2.0Pin JST-PH Connector 16.28Wh/4.4A, Blue, 6.6 x 1.8 cm (19.28Wh/4.4A) : Health & Household
Fenix ARBL18 High-Capacity 18650 Battery - 2600mAh – Fenix Store
Protected 3500mAh 10A 18650 Button Top Battery with UL2054 and CB cert – Liion Wholesale Batteries