Exactly why 18650 battery names like VTC4, VTC5, Samsung 25R, are confusing everybody

Naming conventions used in tech are usually pretty easy to follow. But it's all too often consumers expect a naming convention to hold true, and when ...

Deconstructing a Sony VTC4 (US18650VTC4)

We recently inspected a shipment of Sony VTC4 18650 batteries. A 300 piece shipment is ordinary for wholesale 18650 orders. Here are a few shots f...