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Expansion Battery · 4,960Wh
Robust and future-proof
As your energy demands evolve, the adaptable B500 battery pack steps up. Seamlessly integrate it with your EP800/EP900 Energy Storage System (ESS) to meet growing power needs for new appliances or expanded living areas, ensuring ongoing efficiency and cost savings.
Customize your power solutions
Whether for off-grid independence or grid-connected resilience, the B500 empowers you with unprecedented control. Tailor your setup to match your unique requirements, ensuring you can confidently navigate unexpected outages with days of uninterrupted power.
Safety and longevity assured
With its integrated LiFePO₄ battery, the B500 prioritizes safety and durability, delivering lasting peace of mind. Concerned about cold weather impacting battery performance? The B500's innovative self-heating feature ensures reliable operation even in chilly conditions, keeping your power supply uninterrupted.
| Scalable | Works with EP800 and EP900 systems, accommodates 2 to 4 B500 Battery Packs |
| Battery Type | Lithium Iron Phosphate Cells (LiFePO4/LFP) |
| Rated Capacity | 4,960Wh |
| Dimensions (LWH) | 25.0 × 12.8 × 13.3 inches / 636 × 325 × 338mm |
| Net Weight | 127.87lbs / 58kg |
| Protection Grade | NEMA 4X / IP65 |
| Noise | <25dB |
| Operating Temperature | Charging: 32℉-104℉; Inverter connection to the grid: -4℉-104℉; Discharging: -4℉-104℉ |
| Working Humidity | 5%-95% |
| Working Altitude | ≤6561ft/2000m |
| Installation | Floor or Wall Mounted, suitable for Indoor or Outdoor use |
| DoD (Depth of Discharge) | 90% |
| Certifications | CB / CE / FCC / ICES / IP65 / PSE / RCM / UKCA / UL1973 / UL9540A / UN38.3-2022 |
| Warranty | 10-Year |
| B500 Battery Module | x 1 |
| Bracket #1 | x 2 |
| Bracket #2 | x 2 |
| M5 hex nut | x 2 |
| Self-tapping screw M8*40 | x 2 |
| Left cover | x 1 |
| Right cover | x 1 |
| M4*8 screw | x 10 |
| M5*10 screw | x 4 |
| Red battery expansion cable (Positive) | x 1 |
| Black battery expansion cable (Negative) | x 1 |
| Communication cable | x 1 |
| Grounding cable | x 1 |
| M8*60 expansion bolt | x 2 |
| M6*12 screw (Grounding cable) | x 2 |
| Spare screws | x 1 |
Free shipping on all orders within the mainland US (Hawaii, Alaska and overseas territories excluded - a freight forwarder is required). Orders ship directly from our brand partners' warehouses across the U.S. Order confirmation is emailed immediately; if an item is unexpectedly backordered we notify you before your card is charged. In-stock items are processed within 1-4 business days (cut-off 4:00 PM EST), transit is 3-6 business days, and tracking is emailed within 24 hours of shipment. Typical delivery is 4-10 business days from purchase. Minimum order value is $69.
You have 30 days from the delivery date to initiate a return (35 days for orders placed Nov 25-30 and Dec 25-31). Items must be unused, in original packaging with tags attached, and returns require prior authorization from our team.
To start a return: +1 (307) 317-7213, hello@ecosolarkits.com, or live chat. Read the full return and refund policy
