HYY-7S2P 25.2V/4Ah Scooter Battery
- Cell Selection: Tier One Cell Brands:LG,SamSung,Lishen,Cham,BFN
- Battery Screening: Voltage Difference within 3mV; IR Difference within 3mΩ;Capacity Difference within 30mAh
- BMS:Over Charge/Over Discharge/Over Current/Short Circuit Protection;Battery Balance IC
- Automatic Spot Welding Machines
PRODUCT DESCRIPTION
Industrial Li Ion 18650 Battery Pack / 25.2V 4Ah E-scooter/Hoverboard/Skateboard Battery
1 Product Configuration
| No | Item | Criteria | Remark |
|---|---|---|---|
| 1 | Lithium-ion Battery Cell | BFN ICR18650MP/3.7V/2000mAh | |
| 2 | PCM | RD-7002 | |
| 3 | Configuration | 7S2P |
2 Product Specification
| No | Item | Parameter | Remark | |
|---|---|---|---|---|
| 1 | Rating Voltage | 25.2V | ||
| 2 | Rated Capacity | Typical：4000mAh | 0.2C discharge after full charge | |
| Min：3900mAh | ||||
| 3 | Limited Charge Voltage | 29.4V±0.05V | ||
| 4 | Impedance | ≤180mΩ | ||
| 5 | Charging Mode | C.C/C.V. | Constant Current/Constant Voltage | |
| 6 | Charging Method | Standard Charging Current 0.2C | Charging Current 800mA | |
| Max Charging Current 0.5C | Charging Current 2000mA | |||
| 7 | Charging Time | Standard Charging | 7.5Hours | |
| Maximum Charging | 3Hours | |||
| 8 | Charging cut-off current | 80mA | 0.02C | |
| 9 | Discharge cut-off Voltage | 21V±0.5V | ||
| 10 | Maximum discharge current | 3900mA | 1.5C | |
| 11 | Over Current for discharge protection | 70.0~90.0A | ||
| 12 | Short Circuit | Activation recovery after the protection of the short circuit load | ||
| 13 | Operating Temperature | Charging | 0~45℃ | |
| Discharging | -20~60℃ | |||
| 14 | Storage Temperature | -5℃~35℃ Recommend（25±5℃） | Storage capacity should be 40%~50% full charge capacity | |
| 15 | NTC Resistor | / | ||
| 16 | ESD Test | ±4KV | ||
| 17 | Cycle Life | 300 cycle | DOC≧80% | |
3 PCM Specification
PCM Layout
| NO | Item | Criteria |
|---|---|---|
| 1 | Over-charge Protection Voltage | 4.325±0.025V |
| 2 | Over-charge detection delay time | ≤150mS |
| 3 | Over-discharge Protection Voltage | 2.5±0.05V |
| 4 | Over-discharge detection delay time | ≤40ms |
| 5 | Over-current | 70-90A |
| 6 | Overcurrent detection delay time | 8±4mS |
| 7 | Load short-circuiting detection delay time | ≤500us |
| 8 | Current consumption in normal operation | ≤70uA |
Application
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Company Advantages:
- Huanyuyuan has 13 years experience of battery packs. Our customers are from all over the world.
- Cell Selection: Tier One Cell Brands: LG, SamSung, Molycel, Cham, BFN, BAK, EVE, Greatpower, etc.
- Battery Screening: Voltage Difference within 3mV; IR Difference within 3mΩ;Capacity Difference within 30mAh.
- Develop products according to customer requirements or product orientation.
- We have 20 assembly lines that can produce 8K-13K batteries every day to guarantee fast delivery for the orders.
Delivery Time:
- Material Preparation Time: 7-15 days (or inventory)
- Production & Assembly Time 3-10 days
- Testing & Packaging Time: 2-5days
- Total Delivery Time: 15-30days
- The faster delivery could be negotiable.
OEM/ODM Service:
If you want to display your own brand logo in products, bags, labels or anywhere. Or you need to develop battery packs according to your product orientation. Our OEM and ODM services are ready to do it.
Certificate Display
Own Factory
Products Test
6S Workshop
Founded in 2009, Shenzhen Huanyuyuan Technology Co., Ltd.,(HYY) is a national high-tech enterprise who is committed to R&D and manufacturing lithium-ion battery packs and portable power stations. We also provide residential ESS service and take OEM/ODM orders. With more than 30 R&D engineers, we have applied for more than 100 patents of appearance, invention and utility model technology.
HYY's production facility, with about 400 staffs, is located in Huanyuyuan S&T Park, Huangjiang Town, Dongguan, covering an area of 8,000㎡ and holding an overall floorage of 20,000㎡. The factory has passed ISO9001:2015 and ISO14001:2015. We have established 6S field management systems. With a 40-member QC team, we take strict control of our products from IQC to OQC. Over the past years, our products have been sold to many countries and regions, and passed certifications like UL, IEC, PSE, KC, CE, FCC, etc, with 45% of our turnover being contributed by overseas markets.
HYY's portable power stations can meet the power demand of outdoor activities, self-driving travel, emergency rescue and disaster relief, blackout emergency and other scenes. Relying on years of experience of battery technology, HYY has invested huge resources to develop portable power stations.We are aiming to be a leading portable power station manufacturer in the industry.