Battery Protection Board, 3S/4S/5S Chemistry Options

Choose a protection-board component for a professionally designed battery assembly by chemistry and series count. The available options separate conventional lithium-ion cell labels from 3.2 V LiFePO4 labels.

• ✅ Match the series arrangement - selected three-, four- and five-series options are listed.
• ✅ Choose the cell chemistry - 3.7 V and 3.2 V cell versions are separate.
• ✅ Use a separate board component - integrate it only into a correctly designed pack.

Chemistry and Series Count Must Both Match

A board for 3.7 V-labelled lithium-ion cells must not be substituted for a 3.2 V LiFePO4 version. Confirm the actual cut-off settings, current limits, balancing function and connection diagram before selection.

The board is not a charger or a complete certified battery system. No verified 50 A operating capacity is promised. Pack assembly requires suitable expertise, cell matching, insulation, protection and testing; cells and charger are not included.

Technical details

• Options shown: 3S/4S/5S 3.7 V-labelled cells; 4S/5S 3.2 V-labelled cells.
• Product: battery protection-board component.
• Package: selected board only.
• Verify actual settings, wiring and continuous-current rating.

Confirm the complete pack specification before selecting the board.