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48v18ah 1000w Hailong Downtube Mounted Battery 48v 20ah Electric Bike Battery Lithium Ion Battery Pack
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
Product Specifications
--Product Description
Product Description
product features
1. Long cycle life, high reliability
2. Small size, light weight, high energy density, environmental protection
3. Wide operating temperature range, excellent high and low temperature performance
4. High efficiency, stable power supply, high power output
5. Ultra-low power consumption and long continuous power supply
6.Optional communication function, smart control
7. Long cycle life, longer cycle life than other batteries, and higher comprehensive value
8. The battery has good performance, supports rate discharge, and supports fast charging
9. Smaller size, higher performance and higher density than other batteries
10. Green environmental protection products, do not contain any heavy metals and rare metals, non-toxic, non-polluting
11. A wide range of product categories, suitable for use in any industry, can meet most of the requirements
Products Specifications
Specifications | Units | 36V13.2AH |
Nominal capacity | Ah | 13.2 |
standard | V | 36 |
Operating voltage range | V | 36±0.05 |
Rated discharge current | A | 5 |
Peak discharge current | A | 10 |
Rated charging current | A | 5 |
Peak charging current | A | 10 |
Operating temperature | ℃ | Charging: 0℃~55℃ Discharge: -20℃~55℃ |
Storage temperature | ℃ | -20℃~55℃ |
Cycle times | 100% Cycle | 2000 |
Battery size | mm | 379*144*78mm |
Cathode material | Lithium Iron Phosphate | |
Battery weight | Kg | 3.5 |
Energy Density | Wh/kg | 135 |
DC internal resistance | mΩ | 130 |
Warranty | Year | 2 |
Product Paramenters
Project | Testing process | Standard |
Room temperature discharge capacity (Initial capacity) | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3. Discharge the battery to 2.5V at a current of 1I1 (A) and record the discharge capacity (Ah). | Discharge capacity ≥100%*rated capacity |
Room temperature rate charging | 1. Test temperature: 25±2℃. 2. Discharge the battery to 2.5V at 1I1(A) and let it stand 1h. 3.Charge the battery with a current of 2I1(A) to 3.65V, the total charging time does not exceed 30min, and let it stand for 1h. 4. Discharge the battery to 2.5V with 1I1(A) current and record Recording discharge capacity (Ah). | Discharge capacity ≥ 85%*initial capacity |
Room temperature rate discharge | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3. Discharge the battery to 2.5V at a current of 2I1 (A) and record the discharge capacity (Ah). | Discharge capacity≥90%*initial capacity |
High temperature discharge | 1. Fully charge the battery according to 3.15 2. Leave the battery at 55±2℃ for 5h. 3. Discharge the battery to 2.5V at a current of 1I1(A) at 55±2℃ and record the discharge capacity (Ah). 4. Put the battery at 25±5℃ for 12h and check the battery Appearance. | No deformation, expansion or other abnormal conditions; discharge capacity ≥90%*initial capacity |
Low temperature discharge | 1. Fully charge the battery according to 3.15 2. Leave the battery at -20±2℃ for 24h. 3. Discharge the battery to 2.5V at a current of 1I1(A) at -20±2℃ and record the discharge capacity (Ah). 4. Put the battery at 25±5℃ for 12h and check the battery Appearance. | No deformation, expansion or other abnormal conditions; discharge capacity ≥70%*initial capacity |
Cycle life | 1. Test temperature: 25±2℃. 2. Use constant current and then constant voltage to charge. The constant current is 0.5I1(A) and the constant voltage is 3.65V. During the constant voltage process, the charging can be terminated until the current drops to 0.05I1(A). Leave it for 30 minutes. 3. Discharge the battery to 2.5V with a current of 0.5I1(A) and let it stand for 30min. 4. Repeat steps 2) and 3) until the battery capacity is less than 70% of the initial capacity, and record the number of cycles. | Cycle life≥2000 times |
Room temperature storage and recovery | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3.Store the battery at room temperature for 28 days. 4. Discharge the battery to 2.5V at a current of 1I1 (A), and record the remaining capacity (Ah). 5. Fully charge the battery according to 3.15. 6. Discharge the battery to 2.5V at a current of 1I1 (A), and record the recovery capacity (Ah). | No deformation, expansion or other abnormal conditions; Remaining capacity≥92%*initial capacity; recovery capacity≥94%*initial capacity |
High temperature storage and recovery | 1. Fully charge the battery according to 3.15. 2. Store the battery at 55±2℃ for 7 days. 3. Take out the battery and let it stand at 25±2℃ for 5h, discharge the battery to 2.5V with 1I1(A) current, and record the remaining capacity (Ah). 4. Fully charge the battery according to 3.15. 5. Discharge the battery to 2.5V at a current of 1I1 (A), and record the recovery capacity (Ah). | No deformation, expansion or other abnormal conditions; Remaining capacity≥92%*initial capacity; recovery capacity≥94%*initial capacity |
safety performance
Specifications | Testing process | standard |
vibration | 1. Fully charge the battery according to 3.15. 2. Fix the battery on the vibration test bench, and perform the linear sweep frequency vibration test under the following conditions: --- Discharge current: 1/3 I1(A) --- Vibration direction: up and down single vibration --- Vibration frequency: 10~55Hz --- Maximum acceleration: 30m/s2 --- Scanning cycle: 10 times --- Vibration time: 3h 3. Observe the battery phenomenon during the test. | No current fluctuations, abnormal voltage; No deformation, leakage or other abnormalities; |
Low pressure | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3. Put the battery into the low-pressure box and keep the air pressure at 11.6kPa, stand for 6h. 4. Observe the battery for 1h. | No fire, explosion or leakage |
Overcharge | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3.Charge the battery with 1I1(A) current for 1h or the voltage reaches 5.5V. 4. Observe the battery for 1h. | No fire or explosion |
Over-discharge | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3. Discharge the battery at a current of 1I1(A) for 90 minutes. 4. Observe the battery for 1h. | No fire, explosion or leakage |
Short circuit | 1. Test temperature: 25±2℃. 2. Fully charge the battery according to 3.15. 3. Short-circuit the battery externally for 10 minutes, the resistance of the external circuit ≤5mΩ. 4. Observe the battery for 1h. | No fire or explosion |
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