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48V Complete Off-Grid System · 30× Panel / 4× Battery / 2× Inverter
This complete off-grid system pairs a 12.3kW array of thirty MEGA 410 panels with a 20.48kWh ALPHA 5 PRO battery bank and two paralleled 6,500W hybrid inverters — producing roughly 44.3kWh per day, built for homes, cabins, farms, and commercial buildings that need to run fully off the grid.
410W each, 24V, 10-busbar Mono PERC cells — 12.3kW combined array. RS-M410
51.2V 100Ah (5,120Wh) each — 20.48kWh combined, rated for 7,000 cycles. RS-B5121P
6,500W each, paralleled for 13,000W continuous / 26,000W surge output. RS-H6548
The 12.3kW array produces roughly 44.3kWh daily under 4 peak sun hours, sized for real whole-property daily loads.
Four rack-mounted ALPHA 5 PRO batteries provide dependable overnight power and backup during outages.
Two paralleled hybrid inverters with dual 120A MPPT charge controllers each, supporting solar, battery, utility, and generator input.
Panel, battery, and inverter counts are pre-matched to simplify system design, installation, and long-term operation.
MEGA 410 Solar Panel
RS-M410 · ×30 included
| Max. power | 410 W |
| Max-power voltage | 31.3 V |
| Max-power current | 13.1 A |
| Open-circuit voltage | 37.5 V |
| Short-circuit current | 13.8 A |
| Max. system voltage | 1500 Vdc |
| Max. series fuse rating | 25 A |
| Cell configuration | 10-busbar, Mono PERC |
| Weight (each) | 45.2 lbs |
| Dimensions | 67.8 × 44.7 × 1.2 in |
| Operating temp | -40°F to 185°F |
| Output warranty | 25 years |
| Workmanship warranty | 10 years |
ALPHA 5 PRO Server Rack Battery
RS-B5121P · ×4 included
| Nominal voltage | 51.2 V |
| Nominal capacity | 100 Ah |
| Minimum capacity | 99.5 Ah |
| Nominal energy | 5,120 Wh |
| Combined (4 units) | 20,480 Wh (20.48 kWh) |
| Charging voltage | 56 V |
| Discharging cutoff voltage | 44.8 V |
| Max. charging current | 100 A |
| Continuous charge current | 100 A |
| Max. discharge current | 100 A |
| Dimensions | 17.7 × 17.8 × 5.2 in |
| Weight | 99.2 lbs |
| Dimensions | 27.5 × 27.5 × 44.1 in (excl. wheels) |
| Weight | 196.2 lbs |
| Cycle life | 7,000 deep cycles |
| Certification | UL1973, UL9540A, FCC |
| Max. expansion | 15 units in parallel |
| Communication | RS485 / RS232 / CAN |
| Warranty | 10 years (manufacturer defect) |
| Discharge temperature | -4°F to 149°F |
| Storage temp (1 month) | -4°F to 113°F |
| Storage temp (6 months) | 32°F to 95°F |
Charging Current by Temperature (ALPHA 5 PRO)
| Battery Temperature | Charge Rate |
|---|---|
| 32°F–50°F | 0.1C |
| 50°F–68°F | 0.2C |
| 68°F–77°F | 0.5C |
| 77°F–113°F | 1C |
| 113°F–131°F | 0.3C |
| 131°F–140°F | 0.2C |
NOVA 6548 Hybrid Inverter
RS-H6548 · ×2 included, paralleled
| Rated power | 6,500 VA / 6,500 W |
| Surge power | 2× rated (5 sec) |
| AC voltage regulation | 120 Vac ± 5% |
| Peak efficiency | 91% |
| Waveform | Pure sine wave |
| Max parallel | 6 units |
| Battery voltage | 48 Vdc |
| Float charging voltage | 54 Vdc |
| Overcharge protection | 66 Vdc |
| Solar charger type | Dual MPPT |
| Max. PV array power | 8,000W (4,000W × 2) |
| MPPT voltage range | 90–450 Vdc |
| Max. open circuit voltage | 550 Vdc |
| Max. solar/AC/combined charge | 120 A |
| Dimensions | 5.8 × 17.0 × 21.8 in |
| Net weight | 40.6 lbs |
| Operating temp | -14°F to 104°F |
| Communication | USB / RS232 / RS485 / WiFi / Dry-contact |
| Safety | UL 1741 by TUV |
| Warranty | 3 years |
This same 13,000W battery-and-inverter platform is sold with a choice of panel arrays. The row highlighted below is the configuration this page describes.
| Panel Option | Panel Count | Array Total |
|---|---|---|
| MEGA 335 | 38× 335W | 12.7 kW |
| MEGA 400 | 32× 400W | 12.8 kW |
| MEGA 410 | 30× 410W | 12.3 kW |
| No Panel | — | — |
Two 6,500W NOVA 6548 inverters are paralleled to reach the system's combined 13,000W rating. Up to 6 identical units can be paralleled for even larger installations.
Yes — this same battery-and-inverter platform is also available with 38× 335W panels (12.7kW), 32× 400W panels (12.8kW), or with no panels included at all.
20.48kWh combined from four 5,120Wh ALPHA 5 PRO batteries, each rated for 7,000 deep cycles and expandable up to 15 units in parallel.
Yes — each NOVA 6548 inverter accepts solar, battery, utility mains, and generator power, with configurable charging priority via the LCD control panel.
Given the scale of this system — two paralleled 6,500W inverters, a 20.48kWh battery bank, and a 12.3kW solar array — installation should be handled by a qualified, licensed electrician or solar installer familiar with your local code.
Full Specification
User Manual
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
