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What do you know about the ranking of lithium battery protection board manufacturers? We all know that lithium battery protection boards are used for charging and discharging protection of series connected lithium battery packs, detecting the overvoltage, undervoltage, overcurrent, short circuit, and over temperature status of each individual battery in the battery pack, protecting and extending the battery's service life. So, what are the manufacturers of lithium battery protection? Continue reading below.

Ranking of lithium battery protection board manufacturers

1. Hercules - Lithium Battery Protection Board Manufacturer

Shenzhen Dalishen Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of lithium battery protection boards. Specializing in the research, development, production, and sales of lithium power battery management systems (BMS) for electric tool battery protection panels, low-speed vehicle battery protection panels, energy storage lithium battery protection panels, solar street lamp battery protection panels, and electric vehicle battery protection panels. At present, our lithium battery protection board can produce up to a maximum of 32 strings, and the maximum continuous operating current can reach 300A. After years of development and relying on strong capabilities, it has become a well-known manufacturer of lithium battery protection boards.

The company's lithium battery protection board products are widely used in lithium battery fields such as electric vehicles, model drones, mobile lighting and mining lights, power tools, electric bicycles and motorcycles, communication base stations and energy storage equipment, and medical equipment UPS.

2. Duolixin - Shenzhen Lithium Battery Protection Board Manufacturer

Shenzhen Duolixin Electronic Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of rechargeable lithium battery protection boards. The company puts people first and gathers high-quality talents in technology development, product manufacturing, marketing, comprehensive management, etc. It has standard dust-free production workshops and advanced and reliable production and testing equipment.

The products mainly include digital lithium battery protection boards, power lithium batteries, etc. Involving soft pack lithium batteries, torsion bike lithium batteries, unicycle lithium batteries, electric bicycle lithium batteries, backup power lithium batteries, outdoor lighting lithium batteries, etc.

3. Top 100 Power Sources - Professional Lithium Battery Protection Board Manufacturer

Dongguan Top 100 Power Technology Co., Ltd. was established in 2016. The company is a high-tech enterprise specializing in the research and development, production, and sales of lithium battery protection boards. We can design products according to customer requirements to meet the needs of different customers with the best solution.

4. Hengchuangxing - Lithium Battery BMS Protection Board Manufacturer

Shenzhen Hengchuangxing Electronic Technology Co., Ltd. is an electronic processing factory specializing in the research, development, production, and sales of lithium battery protection boards, lithium power battery protection boards, electric vehicle battery protection boards, BQ battery protection boards, mobile phone battery protection boards, and torsion car battery protection boards. Since its establishment, the factory has focused on the introduction of talent teams, technical training, and management, providing reliable guarantees for ensuring product quality.

The processes of raw material procurement, design, development, and production are all managed using the ISO9002 quality system. The product quality is excellent and reliable, with a pass rate of up to 90%.

5. Da Li Electronics

Dongguan Dali Electronics Co., Ltd. is located in Dongguan, the world's factory. It is a high-tech enterprise recognized by the Dongguan Science and Technology Commission and is a professional manufacturer engaged in the research and development, production, and sales of lithium battery protection boards (BMS).

The principle of lithium battery protection board

The reason why lithium batteries (rechargeable type) need protection is determined by their own characteristics. Due to the material of lithium batteries themselves, they cannot be overcharged, overdischarged, overcurrent, short circuited, or subjected to ultra-high temperature charging and discharging. Therefore, lithium battery components always come with a delicate protective plate and a current fuse.

The protection function of lithium batteries is usually achieved by the cooperation of a protection circuit board and current devices such as PTC. The protection board is composed of electronic circuits that accurately monitor the voltage of the battery cells and the current of the charging and discharging circuit at all times in an environment of -40 ℃ to+85 ℃, and timely control the on/off of the current circuit; PTC prevents severe damage to batteries in high temperature environments.

Ordinary lithium battery protection boards typically include control ICs, MOS switches, resistors, capacitors, and auxiliary devices such as FUSE, PTC, NTC, ID, and memory. Among them, the control IC controls the MOS switch to conduct under normal conditions, making the cell conductive with the external circuit. When the cell voltage or circuit current exceeds the specified value, it immediately controls the MOS switch to turn off, protecting the safety of the cell.

The lithium battery protection board also has the function of protecting the battery and avoiding overcharging. When the external power supply continuously and rapidly charges the battery, the lithium battery protection board will provide protection. When the internal power of the lithium battery reaches saturation, the internal circuit of the lithium battery protection board will automatically cut off the external fast charging power supply. Make it impossible for external power sources to enter the battery. This is also the principle of lithium battery protection board to protect the battery from overcharging.

Precautions for Testing Lithium Battery Protection Plates

1. When measuring the voltage of each string, place the probes correctly. If they touch each other, they will short-circuit and smoke

2. When connecting the protective board, be sure to first connect the wiring before inserting the protective board. Inserting the protective board properly may cause it to burn out

The above is the introduction of lithium battery protection board manufacturers. The type of lithium battery protection board is also designed according to the type of lithium battery or lithium battery pack. So different types of lithium batteries and protective plates cannot be mixed, and we must match them when using lithium battery protective plates.

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