Big Battery | ETHOS 3x Expansion Kit
Overview
REVOLUTIONIZING RESIDENTIAL ESS! BigBattery’s 48V ETHOS systems now offer a 15.36kWh Expansion Kit, ideal for enhancing your current ETHOS System at home or in the office. This Expansion Kit includes three stackable battery modules (up to 16 per Control Box), designed to connect in parallel to your existing ETHOS Control Box, letting you customize your energy storage to match your specific power requirements. Note: Control Box is not included.
This kit includes three ETHOS battery modules, a sturdy rack base, and all power and communication cables needed for a seamless addition to your ETHOS system.
Whether you’re preparing for backup power needs or creating a powerful solar solution, the ETHOS delivers dependable, efficient energy daily—helping you save on utilities and potentially gain rewards through net metering and tax incentives. Empower your energy choices with the 48V ETHOS & ETHOS Expansion Kits today!
What's Included
3 × 48V ETHOS 5.12kWh Stackable Battery Module
1 × ETHOS RACK BASE
2 × Ethos Parallel Power Cable 4.9 ft (1500mm)
1 × Ethos Parallel Comm Cable 4.9 ft (150cm)
Specs and Downloads
Tech Specs
| SKU: | KIT0699 |
| GTIN-12 (U.P.C.): | 850061252180 |
| System Voltage: | 48V |
| Nominal Voltage: | 51.2V |
| Chemistry: | LiFePO4 |
| kWh Capacity: | 15.36kWh |
| Ah Capacity: | 300Ah |
| Charging Voltage Range: | 55.6 - 57V |
| Max Charge Voltage: | 57V |
| Operating Voltage Range: | 48 – 57V |
| Suggested Low Voltage Cutoff: | 48 – 50.8V |
| BMS Cutoff Range: | 42 - 47V |
| Cell Configuration: | 16S 3P |
| Max Continuous Discharge Current: | 250A |
| Max Continuous Power: | 12800W |
| Max Discharge Peak Current: | 300A (Max 5 seconds) |
| Max Charge Current: | 200A |
| Charge Temperature Range: | 32°F - 113°F (0°C - 45°C) |
| Discharge Temperature Range: | -4°F - 140°F (-20°C - 60°C) |
| Optimal Discharge Temperature Range: | 59°F - 95°F (15°C - 35°C) |
| Storage Temperature Range (SoC >50%): | -4°F - 113°F (-20°C - 45°C) (Max 6 months) |
| Weight: | 387 lb (175.5 kg) |
| Depth: | 6.7 in (170 mm) |
| Width: | 26.5 in (674 mm) |
| Height: | 59.8 in (1520 mm) |
| Max Connections: | Up to (16) parallel connections per control box |
| Protection Rating: | IP65 |
| Communications: | CANBus / RS485 |
Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.
Frequently Asked Questions
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Unlock substantial savings with the government's Solar Tax Credit, which offers a robust 30% deduction on the installation costs of solar systems. This attractive incentive is your ticket to leveraging solar energy's eco-friendly potential while enjoying the financial benefits.
At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.
Contact us now to learn more!