High Performance Rechargeable 3.7V 7200mAh Lithium Battery Cell for Consumer Electronics
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Product Details
| Customization: | Available |
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| Type: | Li-ion Battery |
| Cathode Material: | NCM |
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Basic Info.
- Model NO.
- JX-3.7V7200mAH
- Rechargeable
- Yes
- Size
- Small
- Rated Capacity
- 7340mAh
- Nominal Capacity
- 7200mAh
- Normal Voltage
- 3.7V
- Charging Cut-off Voltage
- 4.2V
- Discharging Cut-FF Voltage
- 3V
- Standard Charging Current
- 1470mA (0.2c)
- Standard Discharging Current
- 1470mA(0.2c)
- Max Continuous Disdischarging Current
- 5000mA
- Condition to Stop Charging
- Less Than 150mA
- Operation Temperature (Charging)
- 0~50ºC
- Operation Temperature (Discharging)
- -20~60ºC
- Storage Temperature
- 6 Months, 0~35ºC
- Internal Resistance
- Less Than 120 MΩ
- Weight
- About 130g
- Cycle Life
- More Than 80% After 500 Times Cycles
- Transport Package
- Explosion-Proof Carton and Pallet Packing
- Specification
- 65.5x40.5x22mm(LxWxH)
- Trademark
- JIAXIN
- Origin
- Fuzhou
- HS Code
- 8507600090
- Production Capacity
- 4800000PCS/Year
Packaging & Delivery
- Package Size
- 25.00cm * 21.00cm * 7.00cm
- Package Gross Weight
- 2.000kg
Product Description
Introducing our High-Performance 3.7V-7200mAh Lithium Battery for consumer electronics
Introducing our 18650 LI ION battery polymer battery, a high-capacity rechargeable lithium ion battery pack with BMS and connector. This green product offers a long standby time and comes with a one-year warranty for peace of mind. With excellent safety performance, storage capabilities, and low self-discharge rate, this battery has passed rigorous testing for short circuits, overcharging, over-discharging, thermal shock, and drops. We provide both single cells and battery packs, ensuring 100% inspection before delivery. Ideal for a variety of applications, this 3.7V 7200mAh lithium ion battery is a reliable and efficient power source for your devices.18650 3.7V 7.4V 10.8V 11.1V 12V 7200mAh Rechargeable Lithium Battery with BMS and CE UL certificate
factory manufacture 18650 3.7V 7200mah lithium battery pack with CE UL certificate for electronics
high performance rechargeable 3.7V 7200mah lithium battery cell for consumer electronics
Specification
No | Item | Rated parameters | Remark | |
1 | Rated Capacity | 7340mAh | Charge/discharge at 0.2C under a temperature of 25±2℃ | |
Min Capacity | 7200mAh | |||
2 | Rated Voltage | 3.7V | ||
3 | Charging cut-off voltage | 4.2V | Constant Voltage Charging | |
4 | Discharging cut-off voltage | 3V | ||
5 | Standard Charging Current | 1470mA(0.2C) | Maximum charging current3 6 70m A(0.5C) | |
6 | Standard Discharging Current | 1470mA(0.2C) | ||
Max Discharging Current | 5000mA | |||
7 | Condition to stop charging | ≤150mA | After holding for 1 minute | |
8 | Using temperature | Charge 0~45℃ | Relative humidity45%~85% | |
Discharging-20~60℃ | ||||
9 | Storage Temp | 1Month | -5~45℃ | During storage, it should be kept in a clean, dry, and well-ventilated indoor environment where the ambient humidity does not exceed 45%. It should be avoided to come into contact with corrosive substances and kept away fromfire sources and heat sources. The battery must be charged and discharged once every 6 months and recharged to 50%~70% of its relative capacity. |
3Months | -5~35℃ | |||
6Months | 0~35℃ | |||
10 | Open-circuit voltage | About 3.7V | At 25±2℃ working temp, drained completely, 0.5C fast charge to 1hrs and measurement | |
11 | Cycle life | ≥75% after 500 cycle times | At 25±2℃ operation temp, 500 times charging and discharging cycle Charging voltage/current: 4.2V/0.2C, cut-off current ≤36mA Discharging current: 0.2C (cut-off voltage 3.0V) Cycle interval time: 20minutes | |
12 | Energy retention capacity | ≥80% | At 25±2℃ operation temp, placement 28 days then to calculate | |
13 | Deep discharge | =initial capacity | After standard charging, at 25±2℃ operation temp With a 10-ohm resistor for 24 hours to discharge ,then use 0.1C charge to 4.2V, cut-off current≤36mA | |
14 | Thermal shock | ≥80% good appearance | Undergo 5 times cycle testing and confirm standard discharging time, then check the appearance is good after standard charging. Cycle temp: humi less than 85%RH, 55℃ (2 hrs)—20℃ (4 hrs)- -10℃ (2hrs)*5 times | |
Battery Characteristics and Test Conditions
No | Item | Standard | Detection conditions | |
1 | Visual inspection | No bumps, discoloration, deformation, or damage | Visual inspection | |
2 | Weight | About130g | ||
3 | Internal resistance | <120Noconnecting lines included. | Measured within one hour after standard charging using a 1 kHz analog sine wave method at an ambient temperature of 25±2℃ | |
4 | Open-circuit voltage | About 3.7V | After the battery is fully discharged, it is charged at 0.5Cfor 1.25 hours under an ambient temperature of 25±2℃, and then measured. | |
5 | Cycle life | ≥80%(after 500times cycle s) | Under an ambient temperature of 25±2℃, perform 500 cycles of charge and discharge. Charging voltage/current: 4.2V/0.2C(termination current ≤150mA). Discharge current: 0.2C(termination voltage 3V). Rest time: 20 minutes. | |
6 | Power retention | ≥85% | After standard charging, place it in an ambient temperature of 25±2℃ for 28 days, then calculate the power consumption | |
7 | Temperature Discharge Characteristics | 60℃ | 95% | After standard charging is complete, discharge at the standard discharge current in the corresponding ambient temperature until the termination voltage is reached. |
25℃ | 100% | |||
0℃ | 70% | |||
-10℃ | 60% | |||
Security features
No | Item | Standard | Detection conditions |
1 | Leakage | No leakage | After standard charging is completed, place it in an environment with ambient temperature of 60±2℃ and relative humidity of 85% for 20 days, then place it in an environment with 25±2℃ for 1 week. |
2 | Overcharge protection | No cracking, sparks, smoking, or leakage | After standard charging is completed, connect a 0.5C/4.2V constant voltage and constant current power supply to the input terminal for 24 hours in an environment with a temperature of 25±2℃ |
3 | Short-circuit protection | No cracking, sparks, smoking, or leakage | After standard charging is complete, connect the positive and negative terminals of the battery directly with a 80mΩ±20mΩ wire and leave it for 8 hours in an environment with a temperature of 25±2℃ |
4 | Reverse Charging Protection | No cracking, sparks, smoking, or leakage | After standard charging is completed, connect a 0.5C/4.2Vconstant voltage and constant current power supply in reverse at the input terminalfor 24 hours in an environment with a temperature of 25±2℃. |
5 | Deep discharge | Same as initial capacity | After standard charging, discharge with a 5-ohm resistor for 24 hours at an ambient temperature of 25±2℃, then charge at a current of 0.5Cat an ambient temperature of 25±2℃ until the termination voltage reaches 4.2V (termination current ≤150mA). |
6 | Vibration | No leakage,no fire | Fix the battery charged to standard on a vibration table, and vibrate it along the X, Y, and Z directions for 30 minutes each, with an amplitude of 1.6mm, vibration frequency ranging from 10Hz to 55Hz, changing by 1Hz per minute. |
7 | Thermal shock | No cracking, sparks, smoking, or leakage | Place the battery in a thermal chamber, increasing the temperature by 5°C per minute until it reaches 130°C, then maintain that temperature for 10 minutes. |
8 | Overcharge protection voltage:4.25±0.02V(<1s) | ||
9 | Overcharge Release Protection Voltage:4.19±0.03V | ||
10 | Over-discharge protection voltage:2.8±0.035V (<96ms) | ||
11 | Over-dischargeRelease protection voltage:3.0±0.1V | ||
12 | over-current discharge protection:5.2~11.4A,Typical value7.9A(<20ms) | ||
13 | over-current charge protection:3.9~8.5A,Typical value5.2A(<12ms) | ||
14 | Circuit Static Current:≤6uA | ||
More Lithium batteries
No. | Type | Connection Mode | Voltage(V) | Nominal(mAh) |
1 | Lithium battery | 18650 | 3.7V | 2000/2200/3000/3400 |
2 | lithium battery pack | 18650-2P | 3.7V | 4000/4400/5200/6000/6800 |
3 | lithium battery pack | 18650-3P | 3.7V | 9000 |
4 | lithium battery pack | 18650-3P | 3.7V | 9000 |
5 | lithium battery pack | 18650-4P | 3.7V | 12000 |
6 | lithium battery pack | 18650-4P | 3.7V | 12000 |
7 | lithium battery pack | 18650-2S | 7.4V | 2000/2200/3000/3400 |
8 | lithium battery pack | 18650-2P2S | 7.4V | 5200/6000 |
9 | lithium battery pack | 18650-2P2S | 7.4V | 5200/6000 |
10 | lithium battery pack | 18650-3S | 12V | 2000/2200/3000 |
11 | lithium battery pack | 18650-2P3S | 12V | 6000 |
More Lithium Battery Pictures
Various battery pack plugs can be customized
Battery shape and shell can be customized
Capable of producing and customizing lithium batteries with various plugs, shapes, and voltages.
You can customize the built-in electronic display, external electronic display, communication ports, charging/discharging port, USB port, power switch, waterproof plugs, carrying handle, mounting angles, wheels, communication methods, and battery dimensions.
Comprehensive Battery Safety Protection
Consumer Lithium Battery Application
Used in sweepers, portable scanners and printers, medical equipment, emergency defibrillators, robots, robotic arms, home appliances, audio equipment, forklifts, sightseeing vehicles, go-karts, AGVs, cleaning vehicles, electric vehicles, water pumps, wheelchairs, lawnmowers, fishing vehicles, RVs, and precision instruments in factories. A wide variety of lithium batteries can be customized for different consumer electronics products,,advertising light boxes, solar street lights, solar monitoring systems, solar energy storage, outdoor operations, and also used for street vending and outdoor camping.
OEM&ODM
Personalized capacity customization of lithium batteries
Capacity, voltage, size, shape, casing, and plug can all be customized. Customers can choose the charging plug, whether a power display is required, handle, mounting port, mounting bolt, casing material, inverter, bracket, and communication switch.
Certifications
Company Profile
Fuzhou Jiaxin Energy Industry Co., Ltd.
Established in 2013, spanning 19,980 square meters, we are a High and New Technology Enterprise boasting over 30 patents in power and battery innovation. We specialize in the R&D, manufacturing, and sale of lithium batteries, power stations, and lead-acid batteries, including motorcycle batteries. Our products empower a diverse range of applications and are proudly exported to over 90 countries worldwide.
Embracing the ethos of 'Energy-efficient, Environment-friendly, Pragmatic, Creativity,' our company prioritizes customer satisfaction, employee welfare, and technological advancement. We unite industry experts, seasoned inspection technicians, and adept management, leveraging cutting-edge technology and processes to craft eco-friendly, energy-saving new energy batteries. We are committed to relentless scientific research and innovation, providing comprehensive battery solutions across varied products and applications.
Packing & Delivery
FAQ
Q1. How do we maintain rigorous control over battery safety and quality?
Safety Testing Protocols are critical to our battery quality assurance, involving rigorous tests under extreme conditions including overcharging, overdischarging, short circuit, needle puncture, and high temperatures (up to 85ºC storage).
Capacity Verification Test: Through charge and discharge cycles, we ensure actual capacity aligns with nominal values, guaranteeing reliability.
Cycle Life Evaluation: Retains ≥ 80% capacity even after 2000 cycles, ensuring long-term durability.
Certified by CE, UL, RoHS, TUV, MSDS, UN38.3, based on the ISO9001 management framework.
Capacity Verification Test: Through charge and discharge cycles, we ensure actual capacity aligns with nominal values, guaranteeing reliability.
Cycle Life Evaluation: Retains ≥ 80% capacity even after 2000 cycles, ensuring long-term durability.
Certified by CE, UL, RoHS, TUV, MSDS, UN38.3, based on the ISO9001 management framework.
Q2. How do we ensure optimal performance of battery groups?
Initial Consistency Screening is conducted to maintain uniformity before grouping batteries.
We eliminate cells with notable discrepancies in voltage, internal resistance, and capacity, ensuring pairing within ±1% using capacitive devices for precision.
Employing Dynamic Voltage Adjustment (DVA) for precise matching of individual cells within battery packs.
Initial Consistency Screening is conducted to maintain uniformity before grouping batteries.
We eliminate cells with notable discrepancies in voltage, internal resistance, and capacity, ensuring pairing within ±1% using capacitive devices for precision.
Employing Dynamic Voltage Adjustment (DVA) for precise matching of individual cells within battery packs.
Ensuring our batteries reach over 90 countries, affirming global reliability.
Q3: How can we extend battery life through strategic measures and maintenance?
Q4: What are your strengths, export experience, and domestic and international use cases?
1. Enhance charge and discharge management
-Protect your battery by avoiding deep discharges. For instance, it's recommended to maintain lithium-ion battery levels between 20% and 80% to ensure optimal performance.
-Utilize an advanced intelligent BMS (Battery Management System) to precisely regulate the charging cutoff voltage, keeping ternary lithium batteries at or below 4.2V per single cell.
-Safeguard your battery's health by avoiding charging under extreme temperatures. Refrain from charging at temperatures exceeding 45ºC or below 0ºC.
2. Temperature management
-Incorporate an efficient heat dissipation system, such as air or liquid cooling, to maintain the battery's operating temperature between a safe range of 15 to 35ºC.
-Prevent overheating by avoiding prolonged high-rate discharges, for example, discharges greater than 1C.
3. Regular battery maintenance and monitoring
-Ensure balanced charging by having your BMS regularly calibrate any differences in individual cell voltages through passive or active balancing.
-For long-term storage, it's advisable to keep the battery charged at 50% and recharge every three months to maintain peak condition.
-Monitor the battery for signs of aging. Consider replacing it when capacity degrades by more than 20% or when the internal resistance increases by over 30%.
-Protect your battery by avoiding deep discharges. For instance, it's recommended to maintain lithium-ion battery levels between 20% and 80% to ensure optimal performance.
-Utilize an advanced intelligent BMS (Battery Management System) to precisely regulate the charging cutoff voltage, keeping ternary lithium batteries at or below 4.2V per single cell.
-Safeguard your battery's health by avoiding charging under extreme temperatures. Refrain from charging at temperatures exceeding 45ºC or below 0ºC.
2. Temperature management
-Incorporate an efficient heat dissipation system, such as air or liquid cooling, to maintain the battery's operating temperature between a safe range of 15 to 35ºC.
-Prevent overheating by avoiding prolonged high-rate discharges, for example, discharges greater than 1C.
3. Regular battery maintenance and monitoring
-Ensure balanced charging by having your BMS regularly calibrate any differences in individual cell voltages through passive or active balancing.
-For long-term storage, it's advisable to keep the battery charged at 50% and recharge every three months to maintain peak condition.
-Monitor the battery for signs of aging. Consider replacing it when capacity degrades by more than 20% or when the internal resistance increases by over 30%.
Our company proudly holds a high-tech enterprise certificate granted by the government, along with special governmental support. Notably, we successfully secured the invitation and bid for the innovative solar energy storage project at the bus station.
Our dedicated technology department has designed and manufactured batteries for products of the world's top 500 enterprises, maintaining an impeccable safety record with over a decade of use without any fire or explosion incidents. Since our inception, we have expanded our global footprint, exporting to over 90 countries worldwide.
Our dedicated technology department has designed and manufactured batteries for products of the world's top 500 enterprises, maintaining an impeccable safety record with over a decade of use without any fire or explosion incidents. Since our inception, we have expanded our global footprint, exporting to over 90 countries worldwide.
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