
BMS 16S 60V 40A Li-ion Board with Over-Current Protection
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Prices updated: 13 Oct 2026
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About this product
A 16-series lithium-ion battery protection board (BMS) rated 60V and 40A, built with MOSFET switches for 18650 cell packs. It provides over-current protection for larger homemade battery packs used in high-current DIY projects. Confirm the cell count and wiring before connecting any cells.
Specifications
- Cell configuration
- 16S
- Rated voltage
- 60V
- Max current
- 40A
- Protection
- Over-current
- Cell type
- 18650
Frequently asked questions
How many balance connections does a 16S board need?
A 16-cell pack has 17 connection points: B- at the first cell's negative, 15 junctions between adjacent cells, and B+ at the top cell's positive. Each point gets its own balance lead.
Where do the charger and the load connect?
Boards usually separate the battery-side terminals from the charge and load terminals. Follow the labels on the board, and wire the charger and load only to the terminals marked for them.





