We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
HumsiENK

HumsiENK 4Pack 12V 300Ah (314Ah) Battery LiFePO4 Lithium Max. 4019Wh Energy

✅ In stock
F
Grade
💤 Not a Deal
7/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$1,875.99
Listed $289.99
Analysis Confidence 55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 18, 2026 6:59 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.
  • 💰The current price sits right around what this item typically fetches.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • ➡️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 3/20
Momentum 4/10

📝 Product Overview

🏪 Sold by HumsiENK Store
🚚 Shipping Free Shipping

Product Details

✅【 𝗛𝗶𝗴𝗵 𝗖𝗮𝗽𝗮𝗰𝗶𝘁𝘆, 𝗛𝗮𝘀𝘀𝗹𝗲-𝗙𝗿𝗲𝗲】 This HumsiENK 12V 314Ah (300Ah) LiFePO4 Lithium Battery delivers an impressive 4.01 kWh of energy, surpassing three 12V 100Ah lifepo4 lithium batteries connected in parallel. Ideal for RVs, solar systems, marine use, and more. This 12V 314Ah LiFePO4 lithium battery delivers 4.19kWh of energy (30x longer lifespan than lead-acid) with 15,000+ cycles at 60% DOD.
✅【𝗘𝘅𝗽𝗮𝗻𝗱𝗮𝗯𝗹𝗲 𝘁𝗼 𝟲𝟰.𝟯𝗸𝗪𝗵 (𝟰𝗦𝟰𝗣)】 – Connect up to 4 in series & 4 in parallel for 51.2V/1256Ah (64.3kWh), ideal for large solar systems, home backup, and marine use. supporting devices over 2000W for heavy-duty applications. The robust full-aluminum internal frame ensures zero swelling risk and provides shock resistance. HumsiENK 12V 314Ah (300Ah) LiFePO4 Lithium Battery has passed UL62133 safety tests and comes with a durable ABS case.
✅【𝟮𝟬𝟬𝗔 𝗕𝗠𝗦 & 𝗟𝗼𝘄-𝗧𝗲𝗺𝗽 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻】 – Built-in 200A BMS ensures stable power output, while low-temperature cut-off prevents charging below freezing, extending battery life. 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.
✅【𝗕𝗹𝘂𝗲𝘁𝗼𝗼𝘁𝗵 𝟱.𝟬 𝗦𝗺𝗮𝗿𝘁 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴】 – Real-time tracking via HumsiENK App (iOS/Android) for voltage, current, capacity, and temperature. 15m Bluetooth range for easy remote monitoring.(download via App Store or request QR for Android)HumsiENK provides 5-year coverage and 24-hour customer service for a worry-free experience.
✅【𝗟𝗶𝗴𝗵𝘁𝘄𝗲𝗶𝗴𝗵𝘁 & 𝗖𝗼𝗺𝗽𝗮𝗰𝘁 𝗗𝗲𝘀𝗶𝗴𝗻】 – Only 59.5 lbs (40% lighter than lead-acid) with 15.1×9.7×7.6 inches MINI size—fits RVs, boats, and tight spaces effortlessly. Drop & shock-resistant for durability. Compared with lead-acid and AGM, SLA batteries, it reduces space and weight(59.5lbs) by more than 50%, easy installation and no complicated wiring requirement, making it your first choice for efficient solar energy storage systems and RV camping.
✅【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.
✅【𝗙𝗮𝘀𝘁 𝗖𝗵𝗮𝗿𝗴𝗶𝗻𝗴】Supports 3 charging methods, including solar, generator and grid, for fast charging. HumsiENK provides five-year solutions for all batteries. 24-hour friendly and professional customer support, if you have any questions, please feel free to contact us for help.

⚙️ Specifications

Brand
HumsiENK
Vehicle Service Type
Boats and Marine, Golf Cart, Lawn and Garden Equipment, RVs: Motorhome, Truck camper, Pop-Up Camper/ Folding Trailer, Teardrop Trailer, Trolling Motor
Size
4 Pack
Voltage
12 volts
Item Weight
238 pounds
Product Dimensions
15.1"D x 38.8"W x 7.6"H
Automotive Fit Type
Universal Fit
Manufacturer
HumsiENK
Number of Items
999
Compatible with Vehicle Type
Boats and Marine, Golf Cart, Lawn and Garden Equipment, RVs: Motorhome, Truck camper, Pop-Up Camper/ Folding Trailer, Teardrop Trailer, Trolling Motor
Item Highlight
Built-in 200A BMS, 15000 Deep Cycles, Low-Temp Protection, for RV Marine Trolling Motor Home Storage Off-Grid Living Boat

Related Products

F
$1,875.99
Check Deal →