2 Series 7.4V Triple Lithium Operating Current 20A 25A High-Power Lithium Battery Protection Board

• Applicable Products: Li-ion
• Discharge Current: 25A
• Charging Current: 25A
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Battery Equalization: Yes
• Transport Package: Box
• Specification: 7.4v
• Trademark: LONMIL
• Origin: China
• Production Capacity: 50000set/Month
• Package Size: 6.00cm * 2.50cm * 3.50cm
• Package Gross Weight: 0.500kg

Product Description

Product Description

battery protection board is an electronic component mainly used to protect lithium-ion batteries from damage caused by overcharging, overdischarging, short-circuiting and other conditions. It usually consists of one or more protection chips, inductors, diodes and MOS tubes. The protection chip can monitor parameters such as battery voltage, current and temperature, and control the switch of the circuit according to the set protection parameters to achieve battery protection. The inductor and diode can be used to filter the output current of the battery to prevent the damage caused by the sudden increase or decrease of the battery current, and the MOS tube can be used to control the on/off of the circuit to realize the protection of the battery. Battery protection boards are widely used in power tools, electric vehicles, smart homes and other fields.

 

Product Parameters

 

 

Number	Test Items		Standard
1	Voltage	Charging voltage	DC:9V  CC/CV
		Single section equalization voltage	/
2	Current	Single section equalization current	/
		Single consumption battery (self-consumption)	/
		Max. continuous discharge current	/
3	Overcharge protection	Overcharge detection voltage	4.28V  ±0.025V
		Overcharge detection delay time	1S
		Overcharge recovery voltage	Hysteresis overcharge detection voltage 0.2V
4	Over-discharge protection	Over-discharge detection voltage	2.8V  ±0.10V
		Over-discharge detection delay time	128ms
		Over-discharge recovery voltage	3V
5	Overcurrent protection	Overcurrent detection voltage	200±25mv
		Overcurrent detection current	20A
		Overcurrent detection delay time	12ms
		Recovery Status	Automatic recovery
6	Short circuit protection	Detection Status	External short circuit
		Detection delay time	300μs
		Recovery Status	Automatic recovery
7	Internal resistance	Protected lines(MOSPET)	≤50mΩ
8	Temperature	Operating temperature range	-40~+50ºC
		Storage temperature range	-40~+90ºC
9	Size(L*W*H)	60*25*3.5MM

 
Solder point description:

- B+ connects to the positive terminal of the battery;

- B- connect the negative terminal of the battery;

- P+ connects to the positive terminal of the charging/discharging side (shared by the charging/discharging side);

- P- connect charging/discharging terminal negative (common to charging/discharging terminal)

Installation Instructions

 

Packaging & Shipping

 

Company Profile

 

LONMIL is one of the leading battery manufacture in China.

We are focusing on renewable energy storage solution of PV system for 13 years, including Lithium batteries, LiFePO4 batteries, portable power station and residential energy storage.

Our factory is established in 2011, with our headquarter located in Dongguan, covering an area of 4000 square meters.

Our factory has passed audit of ISO9001 and ISO14001, with 10 fully automatic and semi-automatic standardized production lines, complete aging test equipment, and an annual production capacity of 100 million yuan.

All our products comply with UN38.3, CE, FCC, ROHS, etc. based on customers' requirements from different regions, 100% checked and tested before shipping out. With integrate research and development, production, engineering design, after-sales service, our business covers more than 40 countries and regions with main market in America, Europe and Africa and annual turnover 80 million yuan.

Warmly welcome friends from all over the world to cooperate with us!
 

Our Advantages

 

As a lithium battery company, our advantages are as follows:

1.High performance: Our lithium batteries have high performance features such as high energy density, high safety and high charge/discharge efficiency, which can provide users with more reliable, safe and long-lasting battery products.

2.Diversified products: Our lithium battery products cover a wide range of fields, including mobile devices, power tools, electric vehicles, energy reserves, etc., which can meet the needs of users in different industries and fields.

3.Innovative technology: We have an excellent R&D team, which constantly conducts technical innovation and R&D to promote the continuous upgrading and development of lithium battery technology.

4.Customer service: We are committed to providing customers with a full range of services, including product customization, technical support, and after-sales service, to meet their needs and requirements.

5.Sustainable development: We focus on corporate social responsibility and sustainable development, actively promote the development of green energy and environmental protection industry, and contribute to society and the environment.
 

FAQ

 

1. Q:Where can I get the price?    
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,    please call us or tell us in your email so that we'll regard your inquiry priority.
2. Q: How can I get a sample to check your quality?    
A: After price confirmation, you can require some samples to check our quality.  
3. Q: What about the lead time for mass production?    
A: Honestly, it depends on your order quantity and the season you place the order. We suggested t hat you start inquiry two months before the date you would like to get the products at your country.
4. Q: What is your terms of payment?    
A: We accept T/T and L/C.  More battery model please contact us, and send us inquiry below.Looking forward to your inquiry soon and thanks for your viewing.