3.7v 740mah Imr 14500 Limno2 Rechargeable Batteries Button Top Lithium Ion Battery - China Wholesale 14500 $0.6 from Shenzhen Cottcell Technology Co., Ltd | Globalsources.com
Efest IMR 18500 Flat Top 1100mAh Li-Mn Rechargeable Battery - Vape It Now
4pcs 3.7V 880mAh 14500 Li-ion Battery Rechargeable Lithium AA Battery with Protected PCB Laptop Batteries - AliExpress
Fast Charge 3 Bay 18650 Battery Charger USB Smart Universal Rechargeable Battery Charger for 3.7V Li-ion TR IMR 14500, 16340, 16650, 18350 So On Batteries - Walmart.com