Name: BigBattery Grid-Tied Commercial 36kW 86kWh EG4 PowerPro System (ESS) SKU K0764
Brand: BigBattery
Price: 37250.00 USD
Availability: InStock

BigBattery Grid-Tied Commercial 36kW 86kWh EG4 PowerPro System (ESS) SKU K0764

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BigBattery’s 48V PowerPro systems are now available, and this 86kWh commercial configuration is the perfect solution for grid-tied power in your office building, warehouse, or job site, offering exceptional safety, reliability, and cutting-edge features.

Designed as a flexible commercial power solution, the ETHOS system features a stackable, modular design for easy expansion, and includes all necessary hardware for straightforward wall mounting and installation. It’s built with an IP65-rated enclosure, an internal fire suppression system, and an advanced BMS with automatic cell balancing to ensure lasting safety and reliability. Additionally, the control box includes an interactive LED display and supports CANBus and RS485 communication protocols, enabling you to monitor power performance and system status at all times.

But that’s not all. This ETHOS system is paired with three advanced 12000W EG4 hybrid inverters, each equipped with an LCD touchscreen, 3 MPPT inputs, integrated UPS modules for seamless on and off-grid transitions, and the capacity to manage PV arrays up to 54000W. With smart load control, AC coupling, and peak shaving features, the system helps meet your power needs while protecting your business from grid instability or blackouts, all while delivering significant savings on your electricity bill.

Whether you’re seeking reliable backup power or outfitting your office building with a robust solar system, the ETHOS provides consistent, efficient power delivery every day. It allows you to reduce utility costs or earn rewards through net metering programs and tax incentives. Take control of your business’s energy today by exploring the 48V ETHOS system.

6 × 48V EG4 POWERPRO_FEWPP-48143-G1

5 × EG4 PowerPro Parallel Cable Kit_CNT101

6 × EG4 PowerPro Conduit Box_CNT102

3 × EG4 12kW (18kPV) Hybrid Inverter_INV024

System Technical Specifications

SKU:

K0764

PV INPUT

No. of MPPTs:	3 (per inverter)
Inputs per MPPT:	2 (MPPT 1) / 1 (MPPT 2 & 3)
Max. Input Current:	25A (MPPT 1) / 15A (MPPT 2 & 3)
Max. Short Circuit Input Current:	31A (MPPT 1) / 19A (MPPT 2 & 3)
DC Input Voltage Range:	100 - 600V DC
MPPT Operating Voltage Range:	120 - 500V DC
Max. PV Array Power:	18000W (per inverter)

AC INPUT

AC Input Voltage:	120V AC / 240V AC (120V AC / 208V AC)
AC Frequency:	50 Hz / 60 Hz
Max. Continuous Line Wattage:	8000W (per 120V line per inverter)
AC Bypass:	200A (Grid) / 90A (Generator)
Transfer Time:	20 ms

AC OUTPUT

Max. Continuous Output Current:	100A
Output Power:	24000W @ 240V / 20800W @ 208V
Surge Capacity:	29400W (10 min) / 31000W (5 min)
Surge Capacity (Battery Only):	27000W (10 min)

BATTERY

Nominal Voltage:	51.2V
Ah Capacity:	1680Ah
kWh Capacity:	86.04kWh
Max. Charge / Discharge Current:	250A (per inverter)

OPERATING ENVIRONMENT

Operating / Storage Temperature Range:	-13ºF - 140ºF (-25ºC - 60ºC)
Altitude:	<6,561 ft (2000 m)
Typical Noise Emission:	68 dB @ 3 ft (per inverter)
Protection Rating:	IP65 / NEMA 4X
Communications:	RS485 / CANBus
Idle Consumption (Normal):	~70W (per inverter)
Idle Consumption (Standby):	~18W (per inverter)
Max. Efficiency (PV to Grid):	97.5%
Max. Efficiency (Battery to Grid):	94%

WEIGHT & DIMENSIONS

Battery Weight:	308.6 lbs (140 kg)
Battery Dimensions (DxWxH):	9.1 x 22.3 x 34.6 in (231 x 566.5 x 879 mm)
Inverter Weight:	121 lbs (55 kg)
Inverter Dimensions (DxWxH):	11.2 x 20.5 x 34.3 in (285 x 520 x 871 mm)
Conduit Box Weight:	16.6 lbs (7.5 kg)
Conduit Box Dimensions (DxWxH):	9.1 x 24 x 10.6 in (231 x 610 x 269 mm)

At Gridless Haven, we are committed to offering the best prices available online. If you find a lower price on another website, let us know, and we’ll not only match it, we’ll beat it. We want you to shop with complete confidence, knowing you're getting the absolute best value for your purchase.

Our Price Match Guarantee Terms:

Rebates and ‘buy one, get one free’ and promotions are not eligible.
The competing website must not be a discount or auction platform (e.g., eBay).
The competing retailer must be an authorized seller of the product.
The price match guarantee takes into account the total cost, including the item price, sales tax, and shipping fees.
Please note, the Price Match Guarantee does not apply to exchange orders.

Shop confidently at Gridless Haven, knowing you’re always getting the best deal!

Contact Information

Phone: 800-962-9128
Store Name: Gridless Haven
Email: support@gridlesshaven.com
Business Hours: Monday to Friday: 9:00 AM to 5:00 PM EST

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Shipping information

Shipping to: United States only (no P.O. boxes, military, or diplomatic addresses)
Cost: Free on orders over $200; $15 for orders $200 and under
Total Estimated Delivery Time: 3–5 business days via reputable carriers, including major carriers such as USPS, UPS, or FedEx
Tracking: Provided by email once shipped from the warehouse
Returns: Accepted within 30 days; item must be unused and in original packaging

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Returns & Refunds

Return Window: Within 30 days of delivery
Eligibility: Items must be unused, undamaged, and in original packaging
Return Shipping: Free return shipping on approved returns
Refund Time: Processed within 10 business days after inspection
Non-Returnable Items: Custom items, perishables, intimate goods, digital products
Contact: ✉️ support@gridlesshaven.com | 📞 +1 800-962-9128

🔎 View Full Returns & Refund Policy

BigBattery Grid-Tied Commercial 36kW 86kWh EG4 PowerPro System (ESS) SKU K0764

Description

PV INPUT

AC INPUT

AC OUTPUT

BATTERY

OPERATING ENVIRONMENT

WEIGHT & DIMENSIONS

Price Match Guarantee

Our Price Match Guarantee Terms:

Contact Information

Payment & Security

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