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Compact 1S battery protection board for a single 3.7V Li-ion or LiPo cell, including 18650 battery projects. It provides overcharge, over-discharge, over-current and short-circuit protection in a slim PCB format.
Key specifications
- Battery configuration: 1S (single cell)
- Nominal battery voltage: 3.7V
- Overcharge detection voltage: 4.25 ± 0.05V
- Overcharge release voltage: 4.23 ± 0.05V
- Over-discharge detection voltage: 2.45 ± 0.1V
- Maximum continuous charging current: 2A
- Maximum continuous discharging current: 2A
- Over-current protection: 3A
- Board size: approximately 30 × 4mm
Connections
-
B+: battery positive
-
B−: battery negative
-
P+: pack/load positive input-output
-
P−: pack/load negative input-output
Important: This is a battery protection/BMS board only. It is not a standalone battery charger. Use it with a suitable charger designed for the battery chemistry and observe correct polarity. Installation should be carried out by a competent person.
Available in packs of 2, 5, 10 or 20 boards. Economy tracked delivery is used.
