Battery Protection Board BD5

Protection Board for Lithium Battery BMS Module, Anti-Overcharge/Over-Discharge/Over-Current/Short Circuit

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 Items Unit test specification Remarks
1 Over charge protection voltage V 4.425±0.025
2 Over charge release voltage V 4.225±0.05
3 Overdischargeprotection voltage V 2.775±0.075

 

4 Over discharge release voltage V 3.0±0.100
5 Over current for charge protection

(VDD=3.9V

A 4.5-7.5
6 Over current for discharge protection

(VDD=3.9V)

A 6.0-8.0
7 Delay time for over charge protection

 

ms 800-200
8 Delay time for over discharge protection

 

ms 20-60
9 Delay time for over charge current protection

 

ms 5-20
10 Delay time for over discharge current protection

 

ms 5-20
11 Delay time for short circuit protection

 

us 80-400

 

12  

 

Power consumption of protection circuit

Power down uA 3(max)
13 Operation uA 6(max)
14 over-discharge mode uA 3(max)
16 Internal Resistance 65 (max)  
19 Verify temperature measurement ±3℃

Board Drawing

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