7S PCM for 25.9V li-ion battery packs BMS 6S 7S 8S 9S 10S 11S 12S
13S 4.2V 25A Adjustable BMS Li-ion 18650 Battery
PCM with Equilibrium & Temperature protection function for 7S Li-Ion Battery Pack
3S – 10S protection circuit module (PCM) is a low-cost stand-alone circuit board for protecting your
li-ion battery pack
BMS 6S 7S 8S 9S 10S 11S 12S 13S 4.2V 25A Adjustable BMS Lithium Li-ion 18650
Battery Pack Protection Circuit Module PCB PCM
7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V
LiFePO4 Battery Pack
Smart BMS design with SMart IC, technical can be customized as
follow:
Any functions can be choose as follow:
1) Power off detection (It can be locked when removed the PCM from
battery pack, to avoid safety accidents caused by users
unauthorized disassembly or replacement)
2) MOS statistics of overtemperature protection times (it can lock
up after N times overtemperature protection to avoid safety
accidents caused by user overload)
3) Power on timing (it can lock up after N years running, it means
we can design a lock time depends on the batteries service life,
then the user can’t replace the batteries by themself)
4) Counting discharge times (It can design lock up after N times
charge and discharge, then if can’t be work end of batteries
service life )
5) Add buzzer (it can make a sound to remind the user to charge
when the battery is stored for a long time, the voltage is too low
due to self discharge to protect batteries)
6) Unique ID (a unique ID number can be added to each board for
product tracing)
7) UART communication (communication with PC can be realized, to
setting and viewing the data of the above items 1-6 before
delivery)
8) Bluetooth function ,then you can check the batteries status by
your phone
Contact us to get other hot sales
Specification(the criterion can be adjustable as custominzed):
| No. | PARAMETER | Criterion |
| 1 | Voltage | Charging voltage | DC:29.4V CC/CV |
| Balance voltage for single cell | 4.125±0.025V |
| 2 | Current | Balance current for single cell | 80±5mA |
| Current consumption | ≤25μA |
| Maximal continuous charging current | 12A |
| Maximal continuous Discharging current | 26A |
| 3 | Over charge Protection | Over charge detection voltage for single cell | 4.25±0.025V |
| Over charge delay time | 800mS~1200mS |
| Over charge release voltage for single cell | 4.15±0.05V |
| 4 | Over discharge protection | Over discharge detection voltage for single cell | 2.80±0.03V |
| Over discharge detection delay time | 800~1200mS |
| Over discharge release voltage for single cell | 3.0±0.025V |
| 5 | Over current protection | Charge over-current protection | 13.33A±10% |
| Charge Over-Current Delay | 400~600mS |
| Discharge over-current protection1 | 33.33A±10% |
| Detection delay time1 | 700~1300mS |
| Discharge over-current protection2 | 66.66A±20% |
| Detection delay time2 | 70~130mS |
| Release condition | Cut load,Automatic recovery |
| 6 | Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 160~240uS |
| Release condition | Cut load,Automatic recovery |
| 7 | Resistance | Protection circuitry(MOSFET) | ≤1.67mΩ |
| 8 | Temperature | Operating Temperature Range | -25～+70℃ |
| Storage Temperature Range | -40～+125℃ |
| Charge Over Temperature | 48.5℃±5℃ |
| Charge Under Temperature | -5℃±5℃ |
| Discharge Over Temperature | 70℃±5℃ |
| Discharge Under Temperature | -25℃±5℃ |
| 9 | Dimension | | 56*46mm |
How to order:
1. Inquiring
2. Discussion
3. Offer and PI
4. Deposit
5. Final Drawing confirmation.
6. Start production -push production -follow production-finished
production.
7. Take a movie or photo of the product and share it with the
buyer.
8. Rest Payment
9. Ready to ship out.
10. Send out to carrier/forwarder.
11. Follow the shipping things.
12. After-sales service. ( Life Service support)
