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Item #:
220497882
GOLDENMATE 12V 400Ah LiFePO4 Lithium Battery, 5000+ Deep Cycles with 10-Year Lifespan, 5120Wh Power, Built-in BMS, Ideal for RV, Solar System,
Item #:
220497882
Out of stock
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GOLDENMATE lithium iron phosphate battery has more than 5000 deep cycles and a 10-year lifespan, saving you money and minimizing environmental impact.
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What Stands Out
Long Lifespan
With a remarkable 10-year lifespan, the GOLDENMATE battery ensures longevity, reducing replacement costs and hassle for users in renewable energy and recreational applications.
Deep Cycle Capacity
Offering over 5000 deep cycles, this battery excels in delivering powerful, sustained energy for off-grid and mobile uses, outperforming many traditional lead-acid alternatives.
Integrated BMS
The built-in Battery Management System enhances safety and efficiency, protecting against overcharge, over-discharge, and overheating, making it a reliable choice for diverse applications like RVs and marine uses.
Product Details
- [Superior Performance]: Our lithium batteries far surpass conventional lead-acid batteries, boasting over 10 times the cycle life with an impressive range of 4000-15000+ cycles. Leveraging advanced lithium technology, these batteries deliver unmatched reliability and performance. Furthermore, the LiFePO4 battery is immune to the memory effect, ensuring consistent charge and discharge cycles without capacity degradation (Note: This LiFePO4 battery is not suitable for use as a starting battery)
- [Comprehensive Protection]: The Goldenmate LiFePO4 battery is fortified with a robust BMS that ensures full protection against overcharging, over-discharge, over-current, overheating, and short-circuiting. It boasts an exceptional self-discharge rate, enabling up to 1 year of storage without maintenance after a full charge. Additionally, integrated high and low-temperature protection safeguards the battery, ensuring reliable operation in diverse environmental conditions while enhancing its durability and performance over time
- [Versatile Applications]: The 12V 400Ah LiFePO4 battery features remarkable energy density, extended cycle life, and superior performance, catering to a wide array of applications. It is ideal for use in wheelchairs, emergency lighting, RVs, outdoor camping, marine environments, golf carts, trolling motors, home energy storage systems, computer power backups, off-grid installations, and solar panel wind energy storage solutions, among other versatile uses
- [Expandable Flexibility]: Our lithium marine trolling motor battery provides effortless expandability to accommodate growing power requirements. Supporting both series and parallel configurations, users can easily increase voltage or capacity as necessary. Connecting up to four batteries in series or parallel enables a maximum capacity of up to 51.2V 1600Ah. Designed for deep cycle use, this battery can handle heavy load outputs of up to 250A continuous discharge (with a maximum of 500A for 5-second bursts), making it ideal for demanding off-grid outdoor applications such as RVs and more
- [Convenient Recharging and Maintenance]: The Goldenmate LiFePO4 battery is straightforward to recharge using specialized LiFePO4 battery chargers, solar panels equipped with MPPT controllers, or generators. It supports a maximum charge current of 200A (regularly 80A), facilitating rapid charging for those with urgent energy needs. Unlike lead-acid batteries, this marine battery necessitates no regular maintenance such as water refills, providing a hassle-free solution for energy storage requirements
| Compatible with Vehicle Type | Marine, Trolling Motor, Solar system, Off-grid, camping, backup power, home energy storage |
| Voltage | 12.8 Volts |
| Resistance | 30 Milliohms |
| Terminal | M8 |
| Size | 12.8V 400Ah |
| Item Weight | 88.2 Pounds (40.01 kg) |
| Item Dimensions D x W x H | 9.45"D x 20.55"W x 8.58"H (24 x 52.2 x 21.8 cm) |
| Battery Type | Lithium-Phosphate |
| Brand Name | GOLDENMATE |
| Manufacturer Part Number | LFP12400 |
| Model Number | LFP12400 |
| Manufacturer | GOLDENMATE |
| Included Components | 12.8V 400Ah LiFePO4 Battery, User Mannual |
| Brand | GOLDENMATE |
| Vehicle Service Type | Marine, Trolling Motor, Solar system, Off-grid, camping, backup power, home energy storage |
| Battery Cell Composition | Lithium-Phosphate |
| Product Dimensions (L x W x H) | 9.45"D x 20.55"W x 8.58"H (24 x 52.2 x 21.8 cm) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
What's in the box
12.8V 400Ah LiFePO4 Battery
User Mannual
Who Should Buy?
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RV Enthusiasts
Perfect for RV users needing reliable power for appliances and extended trips without frequent recharging.
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Off-Grid Users
Ideal for off-grid applications, providing ample energy storage for homes relying on solar or wind setups.
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Marine Applications
Great for marine use, delivering robust power for trolling motors and other onboard electronic devices.
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Budget-Conscious Buyers
Not suitable for users with tight budgets as lithium batteries generally come with a higher initial investment.
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Small Scale Applications
Less ideal for small devices that don’t require high capacity, leading to unnecessary over-specification.
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Casual Users
Not recommended for casual users needing basic power without the advanced features or deep cycles provided.
Product Description
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Customer Questions & Answers
-
Question:
How does the lifespan of this battery compare to lead-acid batteries?
Answer: This battery lasts over 5000 cycles and 10 years, compared to just 200-500 cycles and 3 years for lead-acid batteries. -
Question:
Is this battery safe to use?
Answer: Yes, it has a 50A BMS protection system that safeguards against overcharge, over-discharge, and other risks. -
Question:
What applications can this battery support?
Answer: It supports various applications including RVs, outdoor camping, solar energy systems, marine use, and more.
GOLDENMATE Batteries LFP12400 Editorial Review
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431 customers ratings
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12 June 2026 · via Trustpilot
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Features & Benefits
- Superior performance with grade-A cells and higher energy density.
- Over 5000 deep cycles and 10-year lifespan—cost-effective and eco-friendly.
- 100% safety with built-in BMS protection against various hazards.
- Lightweight at only 14.10 pounds, easy to move and install.
- Supports extensive applications: RVs, camping, marine, solar energy, and more.
- Hassle-free storage with low self-discharge for up to 1 year.
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