I have opened 1.3ah (no bms) and 4ah & 6ah Bosch 36v batteries and the 4 & 6 had individual cell wires to the board at the top which implies at least cell-level monitoring so a bms of sorts. The smallest Bosch barries just monitor temperature.
Done the same, but charger will not charge the battery with the new capacity. Any idea. A hint to others. Check the size of the new batteries. If they are a fraction bigger in diameter the battery pack will not go into the box. Had to omit the red spacers
I have a green garden 36v battery that I left out in the sun. Oops! It won’t charge (red temp light) but has 30.4v on a multi meter. Any idea what could be the problem?
old comment I know but in case anyone has the same problem - Charger thinks its faulty but it is probably just too flat for the charger. I jump started mine from another battery for a few seconds and charger then charged it fine
I think an average house has at least 5 battery packs. Some a lot more. Considering the high cost of these batteries, a diy ability will pay good dividends. As far as home appliances are concerned, Li batteries will dominate another 10 years easily, if not for technical reasons, then surely for its light weight versus capacity.
@@KhurshidKarimi I agree. I have several. If the spot welder was a lot cheaper I’d buy one and refurb my batteries that are showing signs of failing like my cordless 36v lawnmower one
It can be, but the battery he checked is different. INR18650-25R is not 13P. Maybe the date code is different as well. Anyway, thanks for the video and please let me know where can I buy original VTC6 cells. Unfortunately it is really hard to find not fake Sony batteries in China or even in Hungary.
