Michael Cox wrote:I know absolutely nothing about this specific product and offering, however I have been looking in to 18650 cells for ebike batteries. The groups I am a member of have been discussing a lot of fake batteries being offered for sale from China...
Brian Church wrote:If they are 3.7v and 2.5ah for 4 Euros, that's actually quite a bit more than I'd expect; over 400 Euros per kwh. You can get an LG power wall, which includes a charge controller, etc, for less.
While I'm seeing that 2.5ah is common for 18650s, I'm guessing you're quoting higher capacity cells.
R Scott wrote:YouTubers say you can get lithium cheaper than lead acid these days, but they are hit and miss. If you want to go that route, I would watch the YouTube reviews and follow their links to specific products. anything.