Battery Bro News

one of these cells is a fake lg hg2 18650 battery

Can you identify the fake LG HG2 18650 Battery?

Exactly one of these LG HG2 18650 batteries is fake. Which one do you think is most suspicious? Can you tell which one is fake just by looking at th...

Battery Bro Interviews: Alyssa, CEO of Mars Rover S&T

Here is a picture of their rover with a functional robotic arm attached. Battery Bro recently provided 18650 batteries to the Mars Rover Design Team ...

Introducing the BEAST Experiment by Battery Bro

The BEAST 18650 battery in a new Battery Bro case. Battery Bro was founded about a year ago with one intent - to fight against fake and dangerous b...

LG HG2 Review (20A, 3000mAh)

This is LG's new brown battery - the LG HG2 Overview A post on the HG2 is long overdue. While the original release of the LG HG2 was in 2014, pro...

Green Samsung 18650 25R5 vs. Blue 25R2

Battery Bro was asked for clarification to distinguish between the blue 25R and the green 25R. When requested, Samsung SDI responded with the foll...

Comparing Panasonic 18650 BD vs. Panasonic 18650 BE

The BD is grey and the BE is green The Panasonic NCR series is perhaps the most important line of lithium-ion batteries. If that is too far a stret...

Batteries for electric airplanes: Solar Impulse II - flying across the Pacific

Solar Impulse is one of the most interesting projects anywhere in the world. It is a fully-solar powered plane, that one day in the future will neve...

Is it a fake 18650 battery? (Featuring the Samsung 25R)

Table of Contents Likelihood of fakes Woman caught faking Samsung batteries Basic Inspection Spec sheet Visual cues Simple measurements Mark...

What is the difference between the LG HE2 and LG HE4? Which is newer, better?

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 commodi...

The Formula E concept is revolutionary, and probably here to stay

Did you know: One super powerful lithium ion battery in one of these race-cars has the same amount of energy as 10,000 AA batteries. Electric Race-...

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 ...

Understanding 18650 explosions with Mount St. Helens

This is Mount St. Helen, one day before it erupted. There is no smoke, no magma, just an eerily silent mountain visible. Let's talk about 18650 bat...

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...

Lithium was made in the first three minutes of the universe's existence

Lithium is thought to be one of the first elements made after the Big Bang. An enormous amount of Hydrogen, Helium, and Lithium (the first three eleme...