Not easy to find, but just found it.
The manufacturer of our battery MCBAT00019B and battery cells is Grepow:
the cell reference is : GRPA030072
next step: trying to find where to buy cells only, without SC3 mod sold by solaris
The manufacturer of our battery MCBAT00019B and battery cells is Grepow:
Äåêëàðàöèÿ î ñîîòâåòñòâèè ÐÎÑÑ CN.ÀÂ50.Ä00494 | Àêêóìóëÿòîðû è àêêóìóëÿòîðíûå áàòàðåè íèêåëü-ìåòàëëãèäðèäíîé è ëèòèåâîé ñèñòåì
Ñâåäåíèÿ î ïðîäóêöèè èç äåêëàðàöèè î ñîîòâåòñòâèè ÐÎÑÑ CN.ÀÂ50.Ä00494
reestrinform.ru
the cell reference is : GRPA030072
next step: trying to find where to buy cells only, without SC3 mod sold by solaris