UltraFire Protected 18650 3.7V 2400mAh Camouflage Lithium Batteries Rechargeable 18650 Battery（2PCS） USD $17.69 . UltraFire 18650 Battery 3.7V 1800mAh Li-ion Rechargeable Battery Button Top Battery (2 PCS)Introduction For this blog post I will be comparing the ever-popular LG Chem 18650 HE2 battery with the LG Chem 18650 HE4 battery. Both are commodity cells of the same size, made by the same manufacturer.Most people attribute the difference in model number to the first date of production, where it is of popular opinion
18650 Batteries What is an 18650 Battery? An 18650 Battery is a lithium-ion rechargeable battery. The first 4 digits of the designation “18650” indicate the physical dimensions while the 5 th digit indicates it is a cylinder cell.
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