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12V 300Ah Lithium LiFePO4 Battery, ECIENWELL 15000+ Deep Cycle Marine Battery with 200A BMS, 3840Wh Lithium Batteries for Golf Cart, Trolling Motor, RV, Truck, Kayak, Camping, Solar Panel, Off-Grid
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 12, 2026 7:40 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 is slightly above the going rate for this product — worth watching for a drop.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
5.24/20
Deal Strength
0/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
CLWGOOD
Product Details
✓【Smaller Size&Higher Energy Density】ECIENWELL upgraded 12V 300Ah lithium battery is smaller and lighter than traditional lead-acid batteries. It measures 15.12x7.64x10.03 inches and weighs only 54.45lbs. Larger capacity, smaller volume, lighter weight, it is very easy to carry and install, can be used indoors and outdoors.
✓【12v 300Ah Automotive Grade A Lithium Battery】The ECIENWELL 12V LiFePO4 battery features an automotive Grade battery that delivers 3840Wh of energy output and has a higher energy density. Our deep cycle marine battery contains 4000+ cycles @100% DOD (6000 cycles @80% DOD, 15000 cycles @60% DOD). IP65 waterproof ensures you to use lithium batteries anywhere safely.
✓【Upgraded 200A BMS Protection】The 12v 300Ah lithium battery has built-in 200A BMS protection, which can better protect to prevent over charge, over discharge, over load, over voltage, over current, over heating and short circuit. With multiple certifications, ECIENWELL lithium batteries are proven to meet the safety standards through comprehensive testing, which can ensure absolute safety. The ECIENWELL 12 volt LiFePO4 lithium battery provides more than 10 years lifespan and is maintenance-free.
✓【Max. 61.44kWh Capacity Expension】12V lithium batteries support 4P4S to expand Max 48V (51.2V) 61.44kWh energy system, which is perfect for RV, solar, home backup systems and off-grid living.
✓【NO Heavy Metals】Our lithium batteries products do not contain any lead, chromium heavy metals. 70% of the battery materials are made from recycled materials, which is very helpful for environmental improvement.
✓【Widely Applications】12V 300Ah lifepo4 lithium marine battery is widely used in trolling motor, power wheels, rv, fishfinder, kayak, ride on toys battery, and it is also a great replacement for lead-acid battery in video camera, emergency lighting, automatic door, solar/wind energy storage system, trolley audio, backup power, scooter, camping, household power supplies etc.
✓【Professional After-sales Service】ECIENWELL is a professional lithium battery manufacturer, we have a large R&D department and after-sales service team, if you have any questions, we can provide you with technical support and rapid response of after-sales service.
⚙️ Specifications
Brand
ECIENWELL
Vehicle Service Type
Boat, Bus, Off-Grid Living, RV, Solar, Truck, UTV, Van
Size
12V 300Ah
Voltage
12.8 volts
Battery Cell Composition
Lithium
Item Weight
25.6 kg
Manufacturer
ECIENWELL
UPC
704090427821
Compatible with Vehicle Type
Boat, Bus, Off-Grid Living, RV, Solar, Truck, UTV, Van
Battery Type
Lithium
Brand Name
ECIENWELL
