6.20€ Inc. 19% Vat.
Samsung SDI INR18650-30Q 18650 li-ion cell with button-top.
Lithium cells without protection circuit can be operated only with electronic protection circuits and by skilled persons.
Wrong use and short circuits could lead to severe burns or to explosions. Li-ion batteries may be neither overcharged nor discharged. Moreover, li-ion cells with even the smallest damage or scratch may not be used.
Please note, that li-ion cells can only be charged with the right chargers.