Longsing Technologies is a manufacturer specializing in custom lithium battery packs,We have a professional technical team, can customize your exclusive lithium battery pack.

For customers designing their own electric powertrains or completing devices for a specific application, Longsing provides one-stop services and fully integrated battery solution to reply to specific needs.

Li-ion Battery 18650 can parallel & assemble according to the customer’s request. Best Li-ion 18650 Batteries Manufacturer. 24 hour Global Delivery.

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Built-in BMS battery management system, intelligent protection battery pack, to ensure user safety.

Eight safety protection: over charge protection, over current protection, over discharge protection, temperature protection, electric prevention function, voltage balance, short circuit protection, short line protection.

Advantage:

Long cycle life: high quality lithium iron phosphate cell, cycle life up to more than 2500 times.

High quality square lithium iron phosphate battery: compared with the traditional lead acid battery, it has higher energy density and cycle life, better electrical performance, safety, environmental protection and no pollution.

Excellent electrical performance: low internal resistance, high continuous current charge and discharge performance, large operating temperature range, more practical.

Supports multiple communication protocols: Supports multiple communication protocols, such as RS485, facilitating efficient battery management and maintenance.

Intelligent BMS battery management system: provides the battery with over-charge and over-discharge protection, over-current load protection, high temperature protection, battery balance, abnormal alarm and other functions.

Good safety performance: in the ultimate safety performance test, the battery does not fire, explosion, no leakage, safer to use.

Application: PHOTOVOLTAIC power generation, photovoltaic energy storage, communication base station, backup power supply, etc.

Why us?

1, small size, light weight;

2, > 2000 cycles, reliable performance;

3. Equipped with perfect BMS communication protocol;

4. Simple installation and easy operation;

5. Longsing Technology was founded in 2000. Adhering to the enterprise spirit of pragmatism, integrity, flexibility and continuous innovation, longsing Technology has been committed to the research, development and application of battery technology. Through continuous development, the company has a primary battery (lithium sulfuryl chloride), secondary battery (lithium ion rechargeable battery) research and development, production capacity. According to your needs, we can provide structural design, electrical design, fluid simulation design, BMS professional matching verification test, verification test and other technical support.

6, long service life, low cost;

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Excellent electrical performance: low internal resistance, high continuous current charge and discharge performance, large operating temperature range, more practical.

Supports multiple communication protocols: Supports multiple communication protocols, such as RS485, facilitating efficient battery management and maintenance.

Intelligent BMS battery management system: provides the battery with over-charge and over-discharge protection, over-current load protection, high temperature protection, battery balance, abnormal alarm and other functions.

Good safety performance: in the ultimate safety performance test, the battery does not fire, explosion, no leakage, safer to use.

There are many requirements for production process of lithium battery, and non-compliant miscellaneous brands may have security risks. Longsing has invested heavily in specialized production lines.
1, high automation: highly automated production equipment to ensure the consistency of battery performance.

2, high safety performance: square aluminum shell structure, and with explosion-proof valve combined cover plate, no leakage.

3, high discharge rate: low battery resistance, high discharge rate, stable discharge platform.
4, customized design: product consistency is high, can be shipped with group, can accept customized services.

5, long cycle life
6, green environmental protection: through ISO14000 environmental system certification, products in line with GB, UN and ROHS instructions.
Application: Saloon car, communication energy storage, electric car, ship.

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Over power protection, over charge protection, over discharge protection, over current protection, over voltage protection, short circuit protection, temperature protection, balance function.

Internal structure:
Embedded support module, shockproof heat dissipation
Formed nickel sheet welding, low internal resistance
High-performance protection plate, protect battery stable output

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Eight safety protection: over charge protection, over current protection, over discharge protection, temperature protection, electric prevention function, voltage balance, short circuit protection, short line protection.

Advantage:

Long cycle life: high quality lithium iron phosphate cell, cycle life up to more than 2000 times.

High quality square lifepo4 battery 12v: compared with the traditional lead acid battery, it has higher energy density and cycle life, better electrical performance, safety, environmental protection and no pollution.

Excellent electrical performance: low internal resistance, high continuous current charge and discharge performance, large operating temperature range, more practical.

Supports multiple communication protocols: Supports multiple communication protocols, such as RS485, facilitating efficient battery management and maintenance.

Intelligent BMS battery management system: provides the battery with over-charge and over-discharge protection, over-current load protection, high temperature protection, battery balance, abnormal alarm and other functions.

Good safety performance: in the ultimate safety performance test, the battery does not fire, explosion, no leakage, safer to use.

Application: PHOTOVOLTAIC power generation, photovoltaic energy storage, communication base station, backup power supply, etc.

Why us lifepo4 battery 12v ?

1, small size, light weight;

2, > 2000 cycles, reliable performance;

3. Equipped with perfect BMS communication protocol;

4. Simple installation and easy operation;

Longsing Technology was founded in 2000. Adhering to the enterprise spirit of pragmatism, integrity, flexibility and continuous innovation, longsing Technology has been committed to the research, development and application of battery technology. Through continuous development, the company has a primary battery (lithium sulfuryl chloride), secondary battery (lithium ion rechargeable battery) research and development, production capacity. According to your needs, we can provide structural design, electrical design, fluid simulation design, BMS professional matching verification test, verification test and other technical support.

6, long service life, low cost;

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Moreover, lifepo4 battery cells supports stepless expansion and is suitable for large-scale energy storage. It has a good application prospect in the fields of power generation safety and grid connection of renewable energy power stations, peak regulation of power grid, distributed power station, UPS power supply, emergency power system and so on.

Electrical Characteristics

1、discharge capacity at normal temperature：After full charge, the experiment can be put on hold for 10 minutes; 0.5C discharge to 2.5V allows five repetitions. When the range of three consecutive experiments is less than 3% of the rated capacity, the experiment can be completed ahead of time and the maximum value of the test results can be obtaine。

2、Discharge performance at different temperatures：After standard charging of normal batteries, it should be stored at least 12 hours in the constant temperature environment of – 20 ℃, – 10℃, 0℃, 10 ℃ and 25 ℃, respectively, and 5 hours of 60 ℃. Then discharge with 0.5C current to the corresponding termination voltage. When the ambient temperature is more than 15 ℃, the termination voltage is 2.5V, if less than 15 ℃, which is 2.0V。

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Moreover, it supports stepless expansion and is suitable for large-scale energy storage. It has a good application prospect in the fields of power generation safety and grid connection of renewable energy power stations, peak regulation of power grid, distributed power station, UPS power supply, emergency power system and so on.
Lithium-ion Cell 26650-3600mAh-3.2V Characteristics Curve：

Electrical Characteristics

1、discharge capacity at normal temperature：After full charge, the experiment can be put on hold for 10 minutes; 0.2C discharge to 2.5V allows five repetitions. When the range of three consecutive experiments is less than 3% of the rated capacity, the experiment can be completed ahead of time and the maximum value of the test results can be obtain。

2、Discharge performance at different temperatures：After standard charging of normal batteries, it should be stored at least 12 hours in the constant temperature environment of – 20 ℃, – 10℃, 0℃, 10 ℃ and 25 ℃, respectively, and 5 hours of 60 ℃. Then discharge with 0.5C current to the corresponding termination voltage. When the ambient temperature is more than 15 ℃, the termination voltage is 2.5V, if less than 15 ℃, which is 2.0V.

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Moreover, it supports stepless expansion and is suitable for large-scale energy storage. It has a good application prospect in the fields of power generation safety and grid connection of renewable energy power stations, peak regulation of power grid, distributed power station, UPS power supply, emergency power system and so on.

Lithium-ion Cell 26650-3800mAh-3.2V Characteristics Curve：

Electrical Characteristics：

discharge capacity at normal temperature：After full charge, the experiment can be put on hold for 10 minutes; 0.2C discharge to 2.5V allows five repetitions. When the range of three consecutive experiments is less than 3% of the rated capacity, the experiment can be completed ahead of time and the maximum value of the test results can be obtained。

Discharge performance at different temperatures：After standard charging of normal batteries, it should be stored at least 12 hours in the constant temperature environment of – 20 ℃, – 10℃, 0℃, 10 ℃ and 25 ℃, respectively, and 5 hours of 60 ℃. Then discharge with 0.5C current to the corresponding termination voltage. When the ambient temperature is more than 15 ℃, the termination voltage is 2.5V, if less than 15 ℃, which is 2.0V。

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3.7V AA rechargeable lithium battery voltage stability, the use of rest assured: stable power supply, effectively prevent unstable current damage to the host, protect circuit safety, stable and reliable, good quality, cost-effective.

aa lithium rechargeable batteries capacity: large capacity, long endurance, long use time.

Processing and customization: PACK battery PACK to undertake research and development, assembly services.

Rechargeable lithium aa batteries application: Application: electric shaver, electric razor, electric toothbrush

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Stable voltage, durable, strong power, long use time, safe and environmentally friendly mercury free.

Explosion-proof and leak-proof: high strength nickel plated steel case, bottom insulating ring, automatic safety valve.

Double exhaust holes: fast exhaust gas, avoid battery expansion, danger.

Low self-discharge: adopt technology, LSD intelligent lock electricity, storage for a year can still save about 85% of the electricity, effectively reduce the natural loss of electricity.

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