


12V 300Ah – Group 8D – Cranking & Deep Cycle Lithium Battery (Dual Purpose)
Product Description:
The 12V 300Ah Group 8D LiFePO4 Battery is a high-capacity, dual-purpose battery engineered for both cranking and deep cycle applications. Ideal for RVs, marine vessels, solar energy systems, and off-grid power setups, it provides dependable starting power as well as extended energy for appliances and electronics.
Using Lithium Iron Phosphate (LiFePO4) technology, this battery delivers long cycle life, lightweight construction, and maintenance-free operation. It features built-in protection against overcharge, over-discharge, and short circuits, ensuring safe and reliable performance. Its dual-purpose design makes it an excellent replacement for traditional lead-acid batteries in heavy-duty applications.
Specifications:
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Voltage: 12V
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Capacity: 300Ah
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Group Size: 8D
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Battery Type: LiFePO4 (Lithium Iron Phosphate)
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Purpose: Dual – Cranking & Deep Cycle
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Applications: RVs, boats, off-grid solar systems, backup power
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Cycle Life: Long-lasting, thousands of cycles
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Maintenance: Maintenance-free
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Safety Features: Overcharge, over-discharge, and short-circuit protection
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Frequently Asked Questions
- Handling time:1-2 business days
- Transit time:4-6 business days
- Estimated delivery time:5-8 business days
See our Shipping Policy for full details.
You may return unused, undamaged items within 30 days of delivery.
- Defective items: Return shipping is free
- Change-of-mind returns: Customers cover return postage
Read the full Return & Refund Policy for details.
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- Email: info@elmbridgehome.com
- Visit our: Contact Page
After your order ships, you’ll receive an email with tracking details.
You can also visit our Track Your Order page at any time.
At this time, we only ship to the United Kingdom and the United States.
Yes! We offer free standard shipping on all orders within the United Kingdom and the United States.
See our Shipping Policy for full details.
