3 Responses

  • I was happy with the previous 18650 4P for 3 years now (2 batteries : 36V and 48V). No problem, still working perfectly.
    Today I received the new 21700 4P, and they are still perfectly done. They will enable me to construct 2 news batteries, using Samsung INR21700-33J (cells that are very difficult for spotwelding, Tesla ).
    See you

  • IMO, perfect, though have had 3 three bike failures, which were tedious, but could be BMS failures. T The cells were found and replaced easily. Agniusm’s stuff is spendy but perfect….to me.

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