AFERIY AF-P310-ECS 3840Wh Extra Battery for P310 3600W Power Station
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Some exceptions apply.Estimated delivery: 3–5 business days for in-stock products.
Shipping: FREE standard shipping within the 48 contiguous United States. Product-specific charges, if applicable, appear at checkout.
Shipping: FREE standard shipping within the 48 contiguous United States. Any product-specific shipping charges are displayed at checkout.
Delivery type: Generally parcel delivery. Delivery arrangements may vary by product.
Estimated total delivery: 3–5 business days for in-stock products, including handling and carrier transit.
Business days are Monday–Friday, excluding holidays. Preorder and backorder estimates are provided on the product page. Delivery estimates may be affected by carrier delays.
At Home Power Tech, we work directly with our authorized brand partners to fulfill your order. Due to product popularity, high demand, and differences in how frequently suppliers share inventory updates with us, an item may occasionally become unavailable even after an order is placed.
If this happens, we will promptly contact you, explain the situation, and offer multiple options, including:
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Our commitment is simple: clear communication, transparent options, and no surprises. We appreciate your trust in our small business.
Questions? Call 727-334-0176 or text us.
No sales tax collected at checkout outside Florida and Wyoming.
Estimate the additional runtime this expansion battery could provide when connected to a compatible power station.
Estimates vary with device power use, cycling, and conditions. Check starting-power compatibility.
Device presets are examples: refrigerator 75W average, router alone 15W, CPAP 40W, TV 100W, and sump pump 600W while running. CPAP heating and additional network equipment can increase usage. For a custom cycling device, enter average watts over time.
Battery estimates use an illustrative 85% usable-energy allowance and 10W system overhead. Actual usable energy depends on battery chemistry, load, discharge limits, temperature, and inverter efficiency. Pump coverage assumes the chosen cycling rate stays constant.
Rated battery capacity used: 3840Wh.
This is estimated added duration with a compatible main station. Check whether this storage module requires a compatible main unit; independent outputs vary by model.
Energy duration does not confirm that a station can run or start a device. Check its continuous and surge ratings.
Expand Your Backup Power with the AFERIY P310-B
Important: This is an expansion battery only and does NOT function as a standalone power station.
The AFERIY P310-B 3840Wh Expansion Battery is designed exclusively for use with the AFERIY P310 3600W Portable Power Station, giving you significantly longer runtimes for home backup, RV travel, camping, emergency preparedness, and off-grid energy needs.
Built with premium EV-grade LiFePO4 battery technology, the P310-B seamlessly connects to your P310 power station to expand your total backup capacity from 3840Wh up to 11,520Wh when paired with additional expansion batteries.
Whether you need more runtime during a power outage or extended off-grid performance, the P310-B gives your system the extra energy storage needed to keep essentials running longer.
Most expansion batteries are designed to work with a compatible main power station and may not function as standalone power stations. Always check the product specifications before ordering.
It increases total battery capacity and helps extend runtime for outages, RV use, off-grid setups, and longer backup needs.
Expansion battery compatibility is model-specific. Always confirm the exact power station model and compatible battery before ordering. Some older power station and battery combinations may be discontinued or no longer available.
Expansion batteries are best for customers who already own or are buying a compatible power station and want longer runtime for home backup, RV power, or off-grid use.
Unless the listing expressly says otherwise, an expansion-battery listing does not include the main power station. Confirm whether the required expansion cable is included with the battery or must be purchased separately.
Estimated total delivery for in-stock standard shipping products is 3–5 business days, including handling and transit. Our order cutoff is 3:00 PM Eastern Time, Monday–Friday, excluding holidays. Orders placed after the cutoff begin processing the next business day. Preorders and backorders follow the timeline shown on the product page. See our Shipping Policy.
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