| Prod Model: |
QW370-8800-L |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Warranty: |
One Year |
| Delivery Date: |
15days |
| Type: |
Lithium-Ion Battery Pack |
| Connection Mode: |
Series and Parallel |
Product Description
37V 8.8Ah electric bicycle battery 10S4P lithium battery pack | 18650/10S4P Li-ion Battery Pack 37V/8.8Ah |
| Model: |
| Item | Specification | Remark |
| Nominal capacity | 8800mAh | 0.5C discharge Cell: 18650 |
| Nominal voltage | 37V | 3.7V / 1Cell |
| Charging voltage | 42V±0.05V | 4.2V / 1Cell |
| Charging method | CC/CV | (Constant-current and -Voltage with Limited current |
| Standard charging time | 2000mA/6hour ,3 000mA/3.5hour | Battery capacity÷charging current×1.5 |
| charging current | 4400mA ( 0.5C ) | 0 ~ +40 °C |
| Maximum charging current | 8800mA ( 1C ) | 0 ~ +40 °C |
| Continuous discharge current | 8800mA ( 1C ) | -20 ~ +60 °C |
| Discharge cutoff voltage | 25V | 2.5V / 1Cell |
| Short circuit protection | Exterior short circuit | Automatic recovery |
| Internal resistance | ≤ 200mΩ | AC Impedance 1kHz |
| Cycle life | ≥5 00 | |
| Operating temperature | Standard Charge | 0 ~ +40 °C | |
| Standard Discharge | -20 ~ +60 °C | |
| Outline dimension | L370*W18*H71mm | Length x wide x height |
| Pre-wired | | Red = Positive,Black = Negative |
| Protection Circuit Module:PCM-L10S15-197 |
| Maximal continuous charging current | 10A | |
| Maximal continuous Discharging current | 10A | |
| Over-charge detection voltage | 4.25V±0.025V | single cell |
| Over-charge release voltage | 4.15V±0.05V | single cell |
| Over-charge detection delay time | 0.5S_1.5S | single cell |
| Over-discharge detection voltage | 2.50V±0.08V | single cell |
| Over-discharge release Voltage | 3.0±0.10V | single cell |
| Over-discharge detection delay time | 50_150mS | single cell |
| Over-current detection | 50±10A | can adjust |
| Over-current delay time | 5_15mS | |
Over charge protection
Over discharge protection
Over Current protection
Short Protection:
Exterior Short Circuit and can be automatic recovery
Low Interior resistance
Temperature
Charging temperature: 0 - 45 C degrees
Discharging temperature: -20 - 60 C degrees
Storage temperature: -20 - 45 C degrees
Remark: The cell can be replaced by other available models such as 14430 14500 18490 18500 and so on, we can make all kinds of customized battery packs.
If you have different requirement on technique, shape and so on for the battery pack, we can made-to-order as per your request.
If you have any other needs of our battery pack, please no hesitate to let me know the
Messages below
1. What's the voltage and capacity you want?
2. How about the operating current and peaking current of your machine?
3. The battery will be used for what?
4. How about your quantity?
Attention: If I am not online, please kindly leave a message. I am here waiting for you. Thanks!
Quality is our priority, win by quality" which is the origin of the our company name --Quawin.
We always highly focus on Quality Assurance and completed After-Sales Service which based on competitive price. Our QA/QC Department performs strict quality control measures on all incoming main boards, spare parts and throughout our entire production process to ensure the high quality of each products. Pursuing the goal of 'No Defect on Quality, No Claim from Customers, ' we will continue to follow international standards to provide customers with satisfactory products.
As an eight years experience manufacture, we have built a powerful R&D team which has abundant knowledge and operational experience that can develop new products and improve existing models in order to meet growing market demands. This high efficient and energetic team is good at overcoming all kinds of obstacles.
We strive for 100% customer's satisfaction through continuous improvement and now our high quality products and thoughtful services have got good reputation from customers in the North America, South America, Europe, Asia and other countries and regions.
We currently rolls out thousands of products such as E-bike battery, golf car battery, UPS battery, BMS, solar battery, backup power battery and all kinds of matched chargers etc.
To keep ahead of the competition, you need a supplier who can keep up with your demands. Please contact us and let our excellent sales team to provide perfect service to you at once.
