Battery Protection Boards OP4050 for Ryobi Power Tools

What we offer

  • 1pcs above for standard item
  • Customized sizes, specs, designs, components, 5000-10000pcs

For samples, we can ship within 2-3 days;

For small batch, 5-7 days;

For mass batch, 10-15 days.

For standard product, we offer 1 year quality guarantee;

For customized product, we offer 2 year quality guarantee;

Our team will handle every issue you may have after you receive the items. 

Product PCM Datas

No. Item Specs Remark
1. Cell type Li-ion  18650 10S
2. Total voltage overcharge protection >42.0V
3. Single cell overcharge protection Single Cell 4.25V +/- 0.2V
4. Charging Method CC/CV
5. Single cell over-discharge protection Single Cell 2.70V +/- 0.2V
6. Overcurrent Protection >35A
7. Fast Charge Current 3A
8. Max Charging Current 5A Constant current charging
9. Resistant ≤62mΩ
10. Discharge Current 1.5A
11. high rate discharge 15A
12. Maximum discharge current Continuous 60A, pulse 195A
13. Discharge termination voltage 13.75V
Overcharge protection voltage  single cell 4.25V±0.025V
15. Overcharge protection recovery voltage  4.1V±0.025V
16. Over-discharge protection voltage single cell 2.7V±0.08V
17. Over-discharge protection recovery voltage  single cell 3.0V±0.08V
18. Charging high temperature protection  >60℃±2℃
19. Discharge overcurrent protection 1 ≥100A Delay 1S protection
20. Discharge overcurrent protection 2 ≥180A Delay 100mS protection
21. Short circuit protection ≥200A
22. Battery Indicator Electricity LED
23. >25%,<50%
24. >50%,<75%
25. >75%,<90%
26. 90% ~ 100%
27. Static power <50uA
28. working environment Charge:0~40℃

Discharge:-20~+40℃

Max Humidity: 85%

29. Cycle life ≥300

Why Choose Us

We’re the leading professional manufacturer specialized in designing and producing battery protection boards to guarantee the safety of any kind batteries. We produce battery protection boards only to serve this unique demand. From concept to real boards, we offer one-stop solutions to worldwide customers.

Automatic SMT Assembly

We have more than 200 advanced SMT assembly machines to complete your order with high quality.

Strict Functional Testing

Each item will be inspected with strict functional test before packed.

Quality Control

You can check our quality control process here.

24 Years of Experience

We have more than 200 advanced SMT assembly machines to complete your order with high quality.

Strong Custom Capability

Each item will be inspected with strict functional test before packed.

Quick Delivery Time

You can check our quality control process here.

TOP 1 Wholesale Manufacturer

Wide Custom Options for Your Unique BMS Boards

board design

To ensure you have assembly options that will suit your needs, we can custom any required size for battery protection boards.

  • mini size for mobile battery
  • middle size for power tools battery
  • bigger size for power generator battery
data test

We can custom any specs you required to protect the battery and make them run in good conditions.

  • Over-charge protection 
  • Over-discharge protection
  • Voltage & current protection
R&D test

Make all your needed function and perform functional test to ensure all boards works perfectly for your devices.

  • power on delay time
  • power off delay time
  • bigger size for power generator battery
board layout

Custom single layer, double-sided layer, double layer, four layers, eight layers, up to twenty-four layers for you.

  • four layers board
  • eight layers board
  • twelve layers board
mobile battery charger board

Source the original branded components which works perfect in your required protection boards.

  • Protection ICs
  • Capacitors
  • Resistance components
KURUI Package

Custom your package with your brand logo and pack every item very carefully to avoid damages during delivery 

  • Custom your logo
  • Custom your package sizes
  • Custom your package materials

TOP 1 BMS Boards Manufacturer

Quote & Design