
5S 15A Li-ion BMS Protection Board for 18650 Packs, 21V
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
Microohm | BMS 5S 15A 18650 Li-ion Lithium Battery BMS Charger Protection Board for 18V 21V Battery | 185 EGP250 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 185 EGP
About this product
A 5-series battery management system (BMS) protection board for 18650 Li-ion cell packs rated for 18V to 21V. It protects the pack against overcharge, over-discharge and overcurrent, with a continuous discharge rating of 15A. The listing gives per-cell detection and recovery voltages and an overcurrent trip range of 50 to 60A.
Specifications
- Cell configuration
- 5S (5 cells in series)
- Cell chemistry
- Li-ion 18650
- Charging voltage
- 21V
- Continuous discharge current
- 15A
- Overcurrent protection
- 50/55/60A
- Overcurrent delay
- 20/25/30 ms
- Over-discharge detection voltage (per cell)
- 2.75–2.85V
- Over-discharge recovery voltage (per cell)
- 2.90–3.20V
Frequently asked questions
What is the price of 5S 15A Li-ion BMS Protection Board for 18650 Packs, 21V in Egypt?
5S 15A Li-ion BMS Protection Board for 18650 Packs, 21V currently costs 185 EGP in Egypt.
Where can I buy 5S 15A Li-ion BMS Protection Board for 18650 Packs, 21V in Egypt?
5S 15A Li-ion BMS Protection Board for 18650 Packs, 21V is available from Microohm. Compare the offers above to find the best price.
Can this board be used with a 21V charger for a 5S pack?
A 5S Li-ion pack is charged to 21V (5 x 4.2V). Use a constant-current/constant-voltage charger set to 21V, and let the BMS limit each cell during charging.
How do I wire the cells to the board?
Connect the balance leads from each cell junction in order, starting from the negative end of the pack up to the positive end. Connect the pack negative to the B- terminal and the load or charger negative to the P- terminal.






