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- Regular price
- $2,780.00
Estimated shipping time
Estimated shipping time
You can typically expect your items to arrive within 4–7 business days, depending on your location and product availability.
What is your Return Policy?
What is your Return Policy?
At Northgrid Supply, we want every customer to shop with confidence. If something doesn’t go as planned, we’ve made returns and refunds simple and fair. Here’s how it works:
1. Return Window
You can request a return within 30 days of receiving your order. Unfortunately, we’re unable to accept returns after that time frame.
2. Who Pays for Return Shipping?
- If your item arrives damaged, defective, or incorrect, we’ll cover the return shipping cost.
- If you’re returning an item because you changed your mind, you’ll be responsible for return shipping fees.
3. Damaged or Defective Items
Received something broken or not working properly? Contact us within 30 days. We’ll provide a prepaid return label and once the item is returned and inspected, we’ll issue either a full refund or a replacement—including any original shipping costs.
4. Changed Your Mind?
If you no longer want the item, you can return it within 30 days—as long as it's unused, in its original packaging, and in resellable condition. You’ll need to handle the return shipping, and once we receive and inspect it, we’ll refund the product cost (excluding shipping).
5. Refund Processing
Once we receive and approve your return, we’ll send a confirmation email and issue a refund to your original payment method within 7 business days. Please allow additional time for banks or credit card companies to process and reflect the refund.
If it’s been over 10 business days since your refund was approved and you still don’t see it, contact us at support@northgridsupply.com and we’ll look into it immediately.
6. Restocking Fees
In some cases, a restocking fee may apply depending on the item and return reason. If applicable, we’ll clearly communicate this during your return request process.
Product Description
BigBattery ETHOS | 48V – 5.1kWh | UL1973 | UL9540A | Home Battery Backup LFP
The BigBattery ETHOS 48V 10.24kWh Home Battery Backup LFP is a modular lithium battery system designed for reliable home energy storage, grid-tied systems, off-grid setups, and backup power applications. With 10.24kWh capacity, 200Ah energy storage, and 48V system voltage, it provides dependable power for residential energy independence. Each ETHOS battery works with the ETHOS controller for safe operation, intelligent battery management, and scalable capacity as energy needs grow.
Product Highlights
- 10.24kWh LiFePO4 capacity for dependable home backup and energy storage
- 200Ah capacity for high-capacity 48V power systems
- 48V system voltage with 51.2V nominal voltage
- Modular battery system configurable up to 80+ kWh
- Max continuous power of 10,240W for strong energy delivery
- 200A max continuous discharge current for reliable system performance
- 300A peak discharge current for up to 5 seconds
- Up to 16 parallel connections per control box for scalable battery expansion
- IP65 / NEMA 4X protection rating for durable system protection
- CANBus / RS485 communication for inverter and system integration
- 12-year warranty for long-term reliability and coverage
Key Features
- Modular Home Energy Storage: Designed as a 48V lithium battery system for home backup, grid-tied, and off-grid energy storage applications.
- Expandable Capacity: The ETHOS system is configurable up to 80+ kWh, allowing users to scale their battery storage as energy needs increase.
- High-Capacity Battery Power: Provides 10.24kWh capacity with 200Ah energy storage, making it suitable for dependable residential backup and energy independence.
- Reliable LiFePO4 Chemistry: Built with LiFePO4 battery chemistry to support safe, stable, and long-lasting battery performance.
- Strong Power Delivery: Supports 10,240W max continuous power, 200A max continuous discharge current, and 300A peak discharge current for up to 5 seconds.
- ETHOS Controller Integration: Each battery integrates with the ETHOS controller for safe operation, intelligent battery management, and scalable system control.
- Parallel Expansion Support: Supports up to 16 parallel connections per control box, giving the system flexibility for larger storage configurations.
- Durable Protection Rating: Built with an IP65 / NEMA 4X protection rating, helping protect the battery system in demanding installation environments.
- System Communication Support: Includes CANBus and RS485 communication for system integration with compatible equipment.
- Maintenance-Free Operation: Designed as a high-performance, maintenance-free battery platform for dependable energy storage.
