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The product is intended for specialists and requires qualified and authorized personnel. The product does not include assembly/use instructions . Putting the product into operation by unqualified persons leads to the loss of the warranty according to the Terms and Conditions on the site.
The specified technical parameters (current, power, etc.) represent maximum allowable values under ideal operating conditions. For safe use and optimal lifespan, it is recommended to operate the product continuously at no more than 50% of the specified maximum values.
BMS module 3S, 40A, 12.6V, with balance
3S BMS module with balance for 18650 Li-ion batteries, ideal for assembling battery packs for tools and DIY projects, provides charge and discharge protection for 3 cells in series, supports charging at 12.6V through the same port as the discharge, offers up to 40A discharge current with good heat dissipation, charging current up to 10A, compact format 41 x 55 x 3.4mm.
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Protection module for charging lithium batteries (example 18650), type BMS (Battery Management System) for cells with a nominal voltage of 3.7V (4.2V when charged).
Can be used for creating batteries dedicated to tools.
Both charging and discharging are done through the same port.
Specifications:
Version: With balance
Battery charging voltage: 12.6V
Maximum discharge current: 40A (with good heat dissipation)
Maximum charging current: 10A (check battery specifications)
Dimensions mm: 41 x 55 x 3.4mm
Failure to follow the diagram when assembling elements and connections will lead to module damage.
The sketch represents the assembly of 6 cells (3 in series, then connected in parallel).

- Technology
- Lithium Ion
- Load voltage
- 12.6VDC
- sway
- Yes
- Nominal Current
- Number of cells
- 3S
Produs destinat utilizarii in proiecte electronice, automatizari, prototipare, educatie si cercetare.
Produsul trebuie utilizat numai conform specificatiilor tehnice mentionate in descriere si/sau in documentatia produsului.
Avertismente generale de siguranta:
Nu utilizati produsul la tensiuni, curenti sau temperaturi peste valorile specificate.
Montajul si conectarea trebuie realizate de persoane cu cunostinte tehnice minime in domeniul electric/electronic.
Evitati scurtcircuitele, inversarea polaritatii si conectarea gresita a alimentarii.
Nu lasati produsul alimentat nesupravegheat in timpul testelor.
Produsul nu este jucarie si nu este destinat copiilor.
Pentru modulele electronice, se recomanda utilizarea in carcase, panouri sau montaje protejate, dupa caz.
Identificare produs:
Denumirea produsului, codul/SKU-ul si caracteristicile tehnice sunt mentionate in pagina produsului si/sau pe eticheta ambalajului.
Producator / Importator / Distribuitor:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Website: www.sigmanortec.ro
Persoana responsabila in UE:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Documentatie si siguranta:
Pentru informatii suplimentare, fise tehnice, declaratii de conformitate sau instructiuni, ne puteti contacta la [email protected].