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Power Queen 12V 50Ah LiFePO4 Battery 640Wh Lithium-Iron Battery for Marine
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 11, 2026 2:08 AM · 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
Power Queen-US
🚚 Shipping
Free Shipping
Product Details
✓【Power Queen Upgraded 12.8V 50Ah Pro LiFePO4 Battery】Ultra Portable and lightweight with length: 7.7 inches, width: 6.5 inches, height: 6.6 inches. Weight at only 11 LBS.
✓【 1/3*Impeccably Lightweight & 100% Capacity Usage】Our 50Ah lithium battery weighs only 11.57 lbs, which is only 1/3 of the weight of 50Ah lead-acid battery, easy to move and install. And our LiFePO4 battery can charge/discharge fully of the capacity, providing astronomical boosts in run-time compared to only 50~70% capacity usage in Lead Acid.
✓【BUILT-IN 50A BMS & 2-Hour Fast Charging】Our 12.8V 50Ah Lithium battery build in 50A BMS, which can prevent the LifePO4 battery from the most common issue causing of battery failure, such as overcharge, over-discharge, over-current, overheating, short circuit. The BMS also support 0.5C (25A) charger that needs only 2 hours to charge 50Ah battery fully compared to Lead Acid needs 10~11 hours to fully charged which only support 1A~10A charger.
✓【Extendible Storage & Widely Use】The 12.8V50Ah LiFePO4 battery can be connected in parallel & in series for larger capacity. Allow being extended up to 4 in series or 4 in parallel to get Max 48V(51.2V) voltage or Max 200Ah capacity. Widely used in most areas such as RV, Trolling Motors, Fish Finder,Solar, Household Battery, Off-Grid and and so on. Note: The battery cannot be used as a starting battery. If you are not sure that, please contact customer service for relevant information.
✓【Longer Usage Life: 10-Year】Power Queen LiFePO4 battery provides up to 15000+ cycles & a 10 years lifetime compared to 200 - 1000 cycles & a 3 years lifetime in typical Lead Acid batteries. Our lithium batteries can be fully charged without risk and maintain the capacity with low self-discharge rate, you can use the battery as you want even though put it aside for a long-time storage. Power Queen stand behind our product, we provide 5-year warranty for all lifepo4 batteries.
✓【Warm Tips】① This Battery is an energy storage battery rather than a start-up battery, we do not advise using it to start engines or golf carts. ②To enable the bluetooth function, please power on the battery by charging it for 3-10s with a LiFePO4 battery charger. The effective working distance for Bluetooth is 10 metres without obstacle. ③ If OT terminals are attached directly with screws and their thickness is less than 2mm, please add gaskets to ensure secure attachment and prevent loosening or overheating. The same precaution applies when using clamps
⚙️ Specifications
Brand
power queen
Vehicle Service Type
Fish finder Kayak, RV Campervan,Motorhome,Travel Trailer,Fifth wheel Caravan,Van, Solar Power System, trolling motor : Minn Kota Newport MotorGuide Haswing Haibo
Size
12V 50Ah Pro
Voltage
12.8 volts
Battery Cell Composition
Lithium
Item Weight
11.6 pounds
Product Dimensions
6.54"D x 7.68"W x 6.77"H
Number Of Cells
4
Resistance
40 milliohms
Terminal
M8
Compatible with Vehicle Type
Fish finder Kayak, RV Campervan,Motorhome,Travel Trailer,Fifth wheel Caravan,Van, Solar Power System, trolling motor : Minn Kota Newport MotorGuide Haswing Haibo
