What Battery Charger Manufactures are there?
Many chargers come with the bike brand name but are actually Chinese OEM chargers. A few companies like bosch probably produce their own. And a… Read More »What Battery Charger Manufactures are there?
tbd
How much are used 18650 cells worth?
Its not hard to find “used 18650 cells”. Usually you can go any electronics store and ask for used batteries or to where you recycle… Read More »How much are used 18650 cells worth?
Real Capacity Of Panasonic NCR18650A
Bought 5 NCR18650A for testing. They are more expensive then NCR18650BD and have lower capacity and are also rated only for 6.2A and the test was… Read More »Real Capacity Of Panasonic NCR18650A
Real Capacity Of Panasonic NCR18650G
NCR18650G is finally back on the market! It was rumored to be a 3600mah cell but it dissapeared fast and rumour is that Tesla bought… Read More »Real Capacity Of Panasonic NCR18650G
THE YEARLY DECAY OF SAMSUNG 22F CELLS
This is not a test but wrather an opservations. I have 1000s of 22F cells which i recentlly sorted and decided to retest som cells… Read More »THE YEARLY DECAY OF SAMSUNG 22F CELLS
The yearly decay of Panasonic PF cells
My supplier has told me new 18650 cells can hold not only their voltage but dont have any significant capacity loss the first 16 months… Read More »The yearly decay of Panasonic PF cells
Battery repair services in europe (with price comparison)
Here is a list of many major sites concerning battery repair that I have found in Europe and some other countries so far. Please let… Read More »Battery repair services in europe (with price comparison)
What happended to Scrooser?
Scrooser is probably the most sold electric scooter type in the world but almost no one ever bought the original. They first launched in spring… Read More »What happended to Scrooser?
What we know about em3ev
em3ev has been a legend in the diy ebike game for many years and brunos recent video visit to their factory made their status even… Read More »What we know about em3ev
What happened to battery bro?
Battery bro was an inspiration when i first started building battery packs. Both their extensive information about cells but also their in depth blog. However… Read More »What happened to battery bro?