18650 12S2P PPortable Power Station 4000 10C PCM 44.4V 500 Times Cycle
Product Configuration
| No. | Item | Criteria | Remark |
| 1 | Lithium-ion Battery Cell | Li-18650-3.7V 2000mAh-10C | |
| 2 | PCM | | |
Product Dimension
| N O | Battery type | (mm )Dimensions D*H | (mm)Lead exposure L | Terminal head direction | Immersion tin size |
| 1 | Li-ion Cylindrical | 178*136*71mm(±2) | / | / | / |
3 Product Specification
| No. | content | Testing method | Remark |
| 1 | harge cut-off voltage | 50.4V | |
| 2 | Discharge cut-off voltage | 32.4V | |
| 3 | Standard charge | Under the condition of the ambient temperature of 25±2℃,Charge the battery at constant current of 0.2C to reach 50.4V. Then charge the battery at constant 50.4V voltage until the charging current decreasing to 0.02C. | |
| 4 | Standard discharge | After the standard charging , rest for 1 hour then discharge to 32.4V@0.2C. | |
| 5 | Shipments voltage | 42.6-44.4V | ≤30 % |
| 6 | Maximum Charge Current | ≤1.5A | |
| 7 | Maximum continuous working current | ≤10A | |
| 8 | Rated capacity | Typical capacity:4000mAh Minimum capacity:3900mAh-5% | standard discharge after standard charge |
| 9 | Operation temperature range | 0~45℃ | 60±25%R.H |
| -20~60℃ |
| 10 | Storage temperature | ≤1 month: -20 ~ 45℃ | 60±25%R.H Best 10~25℃ for long-time storage |
| ≤3 months: -10 ~ 30℃ |
| ≤1 year: 0 ~ 30℃ |
| 11 | Impedance | <200mΩ | |
| 12 | Weight | Approx:1500g | |
4 Product Electric Performance Test
| No. | Items | Test Conditions | Requirements |
| 1 | Capacity retention | Fully charging, store them at (20±5)℃ for 28 days, then discharge to 32.4V @0.2C.(the residual capacity is above 85% of nominal capacity) | Discharging time4.25h |
| 2 | Cycle Life @25℃ | Discharge to 32.4V @0.2C, then Charge the battery @0.2C to reach 8.4V. Then charge the battery at constant 50.4V voltage until the charging current decreasing to 0.02C. Rest for 10 min. discharge to 32.4V@ 0.2C and rest for 10 min. Continue the charge/discharge cycles until discharge capacity lower than 80% of rated capacity. | Cycles life ≥300 |
| 3 | storage | Charge the battery to 40%~65% of its rated capacity using standard charging mode, then keep it in an 20℃±5℃, humidity 45% ～ 85% room for 12 months, fully charge and discharge it @0.2C until voltage down to 32.4V. (The testing sample should be within 3 months dated from production date) | Discharge time≥4h |
5 Mechanical Performance
| No. | content | Testing method | Requirements |
| 1 | Vibration Test | After standard charging, put battery on the vibration table. 30 min experiment from X, Y, Z axis. Scan rate: 1oct/min; Frequency 10- 30Hz, Swing 0.38mm; Frequency 30-55Hz, Swing 0.19mm. | No influence to batteries' electrical performance and appearance. |
| 2 | Drop Test | Random drop the battery from 1.0m height onto wood board 6 times. | No explosion or fire |
PCM Specification
1PCM layout
2 Application Circuit
| Item | Content | Criterion |
| Over charge Protection | Over charge detection voltage | 4.250±0.025V |
| Detection delay time | 1.0±0.5S |
| Over charge release voltage | 4.150±0.050V |
| Over discharge protection | Over discharge detection voltage | 2.700±0.050V |
| Detection delay time | 1.0±0.5S |
| Over discharge release voltage | 3.000±0.100V |
| Rated operational current | / |
| Over current protection | Charging overcurrent protection current | 2.0±0.5A |
| Detection delay time | 1±0.5S |
| Discharging overcurrent protection current | 65±8A |
| Release condition | Cut load |
| Detection delay time | 100±50mS |
| Short protection | Detection condition | 250±50us |
| Release condition | Cut short circuit |
| Balanced | Balanced open voltage | 4.15±0.050V |
| Balanced current | 40mA |
| Temperature protection | Charging low temperature protection temperature | 0±4℃ |
| Charging low temperature recovery temperature | 5±4℃ |
| Charging high temperature protection temperature. | 50±4℃ |
| Charging high temperature recovery temperature | 47±4℃ |
| Discharging high temperature protection temperature | 70±4℃ |
| Discharging high temperature recovery temperature | 55±4℃ |
| Interior resistance | Main loop electrify resistance | ≤25mΩ |
| Current consumption | Circuit internal consumption during shutdown / dormancy | ≤40μA |
| Internal consumption of circuit while standby | ≤3.5mA |
| NTC | yes | 10KΩ-B3435K±1% |
| PCB Dimension(L*W*H) | F:135*58*1.6mm |
Product Description:
* With plastic shell.secure and nice in constitution.
* Accurate electricity display. (can be selected )
* Enclosure IPX5 waterproof. .
* With lock anti-theft, pull-up structure can be removed.
* The production environment conforms to international standards.
About company:
* Ryder has 15 years experience of battery packs. Our customers are from all over the world.
* Develop products according to customer requirements or product orientation.
* The automated battery assembly line can process 7K-10K cells every day to guarantee fast delivery for the orders.
* Offer 200 test points for the battery within 60V 10A and 32 test points for the battery within 100V 20A.
* SAP & MES dual system to coordinate daily production.
Delivery Time:
- Material Preparation Time: 7-15 days (or inventory)
- Production & Assembly Time 3-10 days
- Testing & Packaging Time: 2-10 days
- Total Delivery Time: 30-45days
- The faster delivery could be negotiable.
Factory photo:
Contact with our sales team for your OEM and ODM order.
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.
Packing:
According to Stardard Export Packing.
Carton box, wooden box, wooden pallet
Ryder Electronics established in Shenzhen on July 18, 2005, mainly in the business of battery packs. In 2009 the company passed ISO9001 and improved the product quality standard to fulfill the high-end requirements from our customers.
In 2012, Ryder Electronics moved to a new facility and expend the production capacity, the Productivity improved nearly 10 times than before.
In 2013, Ryder Electronics imported ERP (SAP) system to supervise order execution process.
In 2017, Ryder Electronics expanded the SMT, imported high-speed patch machine from Germany.
Until now the factory grows into a modern enterprise which integrated injection molding, PCB designing, SMT and battery pack assembling services.
In 2018 the company passed ISO14001certification, introduced automated battery production line to further improve the production quality and capacity.
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18650 12S2P PPortable Power Station 4000 10C PCM 44.4V 500 Times Cycle Images
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