Battery Protection Boards BL1845 for Makita Power Tools

LBXR20 lithium battery bms board

LBXR20 lithium battery bms board

What we offer

MOQ

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

Delivery Time

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

For small batch, 5-7 days;

For mass batch, 10-15 days.

Quality Assurance

For standard product, we offer 1 year quality guarantee;

For customized product, we offer 2 year quality guarantee;

After-sale Service

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

Product PCM Datas

Product PCM Datas

No.	Item	Specs		Remark
1.	Cell type	Li-ion 18650
2.	Rated Voltage	18V
3.	Rated Current	3.0Ah
4.	Charging Method	CC/CV
5.	Limited Charging Voltage	21V
6.	Standard Charging Current	1.5A
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 Sizes

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

Board Specifications

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

Board Functions

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

Custom Layers

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

Custom Components

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

Protection ICs
Capacitors
Resistance components

Custom 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