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3840Wh LiFePO4 Expansion Battery, AFERIY P310 Compatibility, Up to 11520Wh Total System Capacity, USB-C / USB-A Outputs
AFERIY P310-B. This expansion battery adds stored energy to the compatible AFERIY power station. It requires the matching main unit and is not a standalone AC power station.
Product Name: Expansion Battery (Slave Unit)
Battery Type: 40135 LiFePO₄
Cycle Life: > 4000 times
Nominal Voltage (Single Cell): 3.2V

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AFERIY P310-B is available for wholesale and bulk order enquiries through RuggedMaster. 3840Wh LiFePO4 Expansion Battery, AFERIY P310 Compatibility, Up to 11520Wh Total System Capacity, USB-C / USB-A Outputs. Compare the manufacturer-listed features, product photographs and full Specs tab with the requirements of your intended application.
This expansion battery adds stored energy to the compatible AFERIY power station. It requires the matching main unit and is not a standalone AC power station.
Product Name: Expansion Battery (Slave Unit).
Battery Type: 40135 LiFePO₄.
Cycle Life: > 4000 times.
Nominal Voltage (Single Cell): 3.2V.
Nominal Capacity (Single Cell): 20Ah.
Nominal Battery Voltage: 48V.
Battery Output Voltage: 40 ~ 54V.
Nominal Battery Capacity: 3840Wh.
MPPT Input: 11.5V–50V, Max 200W.
USB-A Output: QC3.0 18W Max.
Type-C Output: PD3.0 100W (Unidirectional).
Car Cigarette Lighter Output: 12V/10A.
Shutdown Current: < 500μA.
Parallel Capacity: Up to 11,520Wh.
Operating Temperature: -10°C ~ 40°C.
Ambient Humidity: ≤ 90% RH.
Product Weight: 36.5 kg.
Product Dimensions (L×W×H): 550 × 321 × 464 mm.
Compatibility: AFERIY P310 only.
Standalone operation: Requires P310 main unit.
Maximum expansion count: Two P310-B batteries per P310.
For a AFERIY P310-B bulk enquiry, identify the exact model and intended destination. Use the specifications above to compare the electrical connections, dimensions and operating limits that apply to this product. Share your planned order quantity with RuggedMaster so the enquiry can be matched to the correct listing.
When preparing your purchasing checklist, distinguish energy capacity from output power. Check the continuous rating, connector type and input limits where listed. Match each connection to the equipment in your setup. For solar systems, review the panel output and the connected power station input together, as the receiving device can limit charging power.
The product gallery presents official photographs and, where needed, manufacturer feature illustrations. Expansion setups and other equipment shown in feature artwork illustrate compatible applications. Check the package contents and exact model specification to confirm what belongs to the product you are enquiring about. These images do not create separate purchasable variants.
Use the AFERIY P310-B Specs tab alongside the description images when comparing products for your business. Verify the required voltage, connector fit and polarity before arranging a charging setup. For battery products, consider both the expected load and the manufacturer operating conditions. Actual charging performance and runtime vary with the connected equipment and environment.
Keep the full model name with your procurement records. If you are planning a repeat order, use that name to identify the same configuration and category. Contact RuggedMaster with the quantity, destination and intended application so the required product can be discussed clearly. Refer to the official specifications rather than estimating compatibility from appearance alone.



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| Product Name | Expansion Battery (Slave Unit) |
|---|---|
| Battery Type | 40135 LiFePO₄ |
| Cycle Life | > 4000 times |
| Nominal Voltage (Single Cell) | 3.2V |
| Nominal Capacity (Single Cell) | 20Ah |
| Nominal Battery Voltage | 48V |
| Battery Output Voltage | 40 ~ 54V |
| Nominal Battery Capacity | 3840Wh |
| MPPT Input | 11.5V–50V, Max 200W |
| USB-A Output | QC3.0 18W Max |
| Type-C Output | PD3.0 100W (Unidirectional) |
| Car Cigarette Lighter Output | 12V/10A |
| Shutdown Current | < 500μA |
| Parallel Capacity | Up to 11,520Wh |
| Operating Temperature | -10°C ~ 40°C |
| Ambient Humidity | ≤ 90% RH |
| Product Weight | 36.5 kg |
| Product Dimensions (L×W×H) | 550 × 321 × 464 mm |
| Compatibility | AFERIY P310 only |
| Standalone operation | Requires P310 main unit |
| Maximum expansion count | Two P310-B batteries per P310 |
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Takes about 30 days for 500pcs OEM order after sample confirmed.
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For the civil interest, the customers can send the dealer or distributor request information