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12V 300Ah (314Ah) LiFePO4 Lithium Battery Max. 4019Wh,15000+ Deep Cycles,200A BMS with Bluetooth,Lithium Iron Phosphate Rechargeable Battery Great for RV, Marine and Off Grid, 2 PACK
✅ In stock
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⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Jul 29, 2026 4:17 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
HumsiENK Store
🚚 Shipping
Free Shipping
Product Details
✓【4.19kWh & 15,000+ Deep Cycles】Our 12.8V 300Ah (314Ah) LiFePO4 battery (2 PACK) offers an impressive 15,000+ deep cycles, lasting 30 times longer than traditional 300Ah lead-acid batteries. Fully charged, the LiFePO4 battery delivers 4.19kWh of energy with nearly 100% depth of discharge (DOD), ensuring reliable power for your devices.
✓【Lighter & More Compact】Thanks to its high energy density, this lithium battery provides double the usable capacity of lead-acid batteries while being 40% lighter. Weighing only 59.5 lbs and measuring 15.1×9.7×7.6 inches, it saves valuable space without compromising power.
✓【Built-in 200A BMS – Safe & Maintenance-Free】The advanced Battery Management System (BMS) offers overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring long-term safety and stability. A high-temperature cut-off prevents charging above 158°F (70°C), making it safer than lead-acid alternatives. Perfect for both indoor and outdoor applications.
✓【Up to 64.3kWh Expandable Energy Storage】Supports 4S4P configurations, enabling up to 51.2V 1256Ah and a massive 63.48kWh energy system. Ideal for home solar storage, emergency backup, RVs, and marine travel, this expandable power solution meets high-energy demands effortlessly.
✓【Low-Temperature Cut-Off for Protection】The integrated BMS automatically cuts off charging in low-temperature conditions, preventing irreversible battery damage and ensuring longevity in extreme climates.
✓【Real-Time Bluetooth Monitoring & Smart BMS】Bluetooth 5.0 Connectivity – Monitor voltage, temperature, and charge status in real-time via the Humienk Smart App (iOS/Android). We are constantly upgrading the Bluetooth app to enhance user experience.
✓【Wide Applications】Perfect for home energy storage, UPS backup, RVs, campers, golf carts, trolling motors, houseboats, solar systems, digital/CCTV cameras, DIY projects, and more. A versatile solution for both recreational and professional use.
⚙️ Specifications
Brand
HumsiENK
Vehicle Service Type
RV
Size
2 Pack
Product Dimensions
7.6"D x 15.04"W x 9.82"H
Automotive Fit Type
Universal Fit
Manufacturer
HumsiENK
Compatible with Vehicle Type
RV
