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 ...

Gigafactory & The Rechargeable Revolution

Lithium ion batteries for electric vehicles If you haven't heard - the Gigafactory is coming soon. A factory built by Tesla Motors - it's going to ...

Battery Safety 101: Anatomy - PTC vs PCB vs CID

The different kinds of protection inside and outside your 18650 batteries. Figure 1. A close-up look at the anatomy of an 18650. Take a look at the...

When to recycle 18650 batteries, and how to start a collection center in your vape shop.

Call 2 Recycle Free Drop-off Box. One battery per bag. Why should you recycle 18650 batteries? Li-ion batteries are pushing humanity to think abou...

Awesome Batteries Part 2 - Inspecting the Samsung 25R

Table of Contents Introduction Official Data Sheet Visual Inspection & Measurements Technical Discharge Test Checking Resistance E-cigaret...

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...

Awesome Batteries Part 1 - Inspecting the New Panasonic-Sanyo NCR18650BF

Table of Contents Introduction A Brief History Panasonic Official Data Sheet Visual Inspection, Measurements, Unwrapping Technical Discharge Test Che...