Best 18650 Battery Alternative

3.7 Volt Rechargeable Battery, REACELL 3000mAh Rechargeable Battery, Button Top NiMH Battery High Power Long Lasting for Headlamp, LED Flashlight, emergency lights, Electronic Devices etc (4 Pack+Box)

Aspire 2600mAh 18650 20A Battery - 2 Pack, Rechargeable, Flat Top, 3.7 V Li-ion INR, High Performance, Large Capacity, 2ml Cartridge, No Nicotine

EBL Universal 18650 Battery Charger for 3.7V Lithium ion Rechargeable Batteries 26650 22650 18650 18490 18350 17670 17500 16340 (RCR123) 14500 and 1.2V Ni-MH Ni-CD Rechargeable AA AAA C Batteries

Universal Fast 18650 Battery Charger with LCD Display Battery Capacity Information, Suitable for 3.7v 1.2v Batteries 26650 18650 18490 18350 17670 17500 16340 14500 RCR123A Ni-MH Ni-Cd AAA AA

REACELL 18650 Battery Charger, Universal Fast Dual Charge Battery Charger for 3.7V/3.6V Li-ion Rechargeable Batteries 18650 18500 18490 18350 17670 17500 16340(RCR123) 14500 26650 22650 with USB Cable

VISVIC Bright Flashlight, 4 Slot Universal Battery Charger, with 4 Rechargeable 18650 Button Top 3.7v Lithium Batteries, Smart Charger 18650, 26650, 18500, 16650 Rechargeable Batteries

TFUFR 18650 Battery Charger 4 Slots, USB Rechargeable Battery Charge for 3.7V Li-ion TR IMR 10440 14500 16650 18650 16340(RCR123) Batteries With LED Display (No Battery)

4x SAM INR18650 35E - 3500mAh 8A CDR/13A max - Rechargeable Li-Ion 18650 Flat-Top Battery. Recent Batch. Carry case included. Only available SAM 35E on Amazon UK

VISVIC Bright Flashlight, 4-Slot Universal Battery Charger with Four 18650 Batteries, fit for 3.7V Lithium Ion Batteries 18650 18500 17650 16340 14500 25500 22700 21700 Rechargeable Batteries

VISVIC Bright Flashlight, 2 Slot Universal Battery Charger, with 4 Rechargeable 18650 Top Button 3.7v Lithium Batteries, 18650, 26650, 18500, 16650 Rechargeable Batteries (AA AAA Battery Charger)