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12V 400Ah LiFePO4 Lithium Battery - 3000+ Cycles Deep Cycle Battery with IP67 Waterproof for RVs and Marine
12V 400Ah LiFePO4 Lithium Battery - 3000+ Cycles Deep Cycle Battery with IP67 Waterproof for RVs and Marine
Specifications
Brand Name :
Chalong Fly
Model Number :
CLFLE218
Certification :
CE,ROHS,FCC,IEC62133,MSDS,UN38.3, UL, etc
Place of Origin :
Hunan,China
MOQ :
2 unit
Price :
Negotiable
Payment Terms :
T/T
Supply Ability :
10000 units per month
Delivery Time :
7-15 working days
Packaging Details :
Wooden case and Carton case
Battery Type: :
Lifepo4 Battery
Voltage: :
51.2V
Capacity: :
105AH
Size: :
Customized
OEM/ODM: :
Yes
Transport Package: :
Foam & Plywood Case
Waterproof Standard: :
IP67
HS Code: :
8507600090
Features: :
Cost Effective, Fast Delivery, Stable Structure
Application: :
BOATS, Golf Carts, electric vehicles, Golf Car
Description

OEM ODM 12V 400AH RV Back-up Lithium Battery LiFePO4 Lightweight, Efficient & Safe Power 

Technical Parameter

ItemSpecification
ModelRV-Li400-12
Voltage12V
Capacity400Ah
Energy5120Wh
Cycle Life3000+ cycles @ 80% DoD
Weight48 kg
Dimensions522L x 268W x 218H (mm)
ProtectionOver-charge, Over-discharge, Short Circuit, Temperature Control
Operating Temperature-20°C to 60°C
Terminal TypeM8 screw
Warranty5 years

Say goodbye to heavy weight and constant maintenance. Our 12V 400Ah lithium battery is designed specifically for RV life, featuring advanced lithium technology that weighs only 1/3 of conventional batteries while delivering more stable voltage and deeper discharge capacity. With a built-in smart protection system against overcharge, over-discharge, and short circuits, it ensures safety both on the road and at campsites. Its compact design fits standard battery compartments, ready to install—providing lasting and reliable power for your journey.

12V 400Ah LiFePO4 Lithium Battery - 3000+ Cycles Deep Cycle Battery with IP67 Waterproof for RVs and Marine
12V 400Ah LiFePO4 Lithium Battery - 3000+ Cycles Deep Cycle Battery with IP67 Waterproof for RVs and Marine

Differentiation Highlights

  • Ultra-Lightweight: Only 46kg for easy handling and reduced RV load.
  • Smart Protection: Multi-level BMS with real-time monitoring for total safety.
  • Deep Discharge: Supports 80% depth of discharge, maximizing usable power.
  • Plug & Play: Compatible with standard battery trays, no modification needed.
  • Long Warranty: 5-year warranty reflects confidence in reliability.

Power Your Adventure: What Can 4800Wh Do?

The 12V 400Ah Lithium battery stores approximately 4.8kWh of total energy. Here is an estimate of how long you can run common RV appliances on a single full charge.

RV ApplianceRated PowerEstimated Run Time / Usage
12V Compressor Fridge50W80 – 96 Hours (3-4 Days)
Rooftop Air Conditioner1200W4 – 5 Hours (Continuous)
Induction Cooktop1500W3.2 Hours
Coffee Maker1000W50 – 60 Cups of Coffee
Electric Kettle1200W35 – 40 Boiling Cycles
Microwave Oven1000W4.5 Hours
CPAP Machine40W100 – 120 Hours
Laptop (MacBook/PC)60W70 – 80 Hours
LED Lighting (5 nodes)20W240 Hours
Smart Phone Charging15W250+ Full Charges

FAQ:

1. How long will a 12V 400Ah battery power my RV?

A 12V 400Ah battery provides a total energy capacity of $12V times 400Ah = 4.8kWh$ (4,800 Watts).

  • Heavy Loads: It can run a 1000W rooftop AC for approximately 4–5 hours.

  • Standard Use: It can power a 12V fridge, LED lights, water pumps, and gadgets for 2–3 days on a single charge without solar input.

2. How long does it take to fully charge?

Charging time depends on the output of your charger:

  • 50A Charger: Approximately 8 hours.

  • 100A Charger: Approximately 4 hours.

  • Alternator (DC-DC): Varies by vehicle; we recommend a DC-DC charger to protect your alternator and ensure a 100% full charge.

3. What size solar system is recommended for 400Ah?

To efficiently recharge a 400Ah bank, we recommend a solar array between 600W and 800W.

This setup typically generates 2.5kWh–3.5kWh per day in optimal sun, allowing you to stay "off-grid" indefinitely under moderate power usage.

4. Can I connect multiple batteries in series or parallel?

Yes, our 12V 400Ah batteries are designed for expansion:

  • Parallel: Connect up to 4 units to reach a massive 1600Ah capacity.

  • Series: Connect up to 4 units to create a 24V, 36V, or 48V system.

Note: Always use batteries of the same brand, age, and capacity, and ensure they are fully charged before connecting them.

5. How does it perform in cold weather/winter?

LiFePO4 batteries can be discharged in temperatures as low as $-20^{circ}C$ ($-4^{circ}F$).

However, charging should not occur below $0^{circ}C$ ($32^{circ}F$).

  • Pro Tip: Choose our Self-Heating version if you plan to camp in freezing climates; the BMS will automatically heat the cells before allowing a charge.

6. Why choose 400Ah Lithium over Lead-Acid?

The advantages are significant:

  • Lifespan: 3,000–6,000 cycles vs. 300–500 cycles for lead-acid (lasts 10+ years).

  • Weight: About 1/3 the weight of an equivalent lead-acid bank, improving your RV’s fuel economy.

  • Usable Power: You can safely use 100% of a lithium battery's capacity, whereas lead-acid should only be discharged to 50%.

Contact us for more informations!

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12V 400Ah LiFePO4 Lithium Battery - 3000+ Cycles Deep Cycle Battery with IP67 Waterproof for RVs and Marine

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Product Detail
Brand Name :
Chalong Fly
Model Number :
CLFLE218
Certification :
CE,ROHS,FCC,IEC62133,MSDS,UN38.3, UL, etc
Place of Origin :
Hunan,China
MOQ :
2 unit
Price :
Negotiable
Contact Supplier
12V 400Ah LiFePO4 Lithium Battery - 3000+ Cycles Deep Cycle Battery with IP67 Waterproof for RVs and Marine

Hunan Chalong Fly Technology Co., Ltd.

Verified Supplier
5 Years
hunan, changsha
Since 2000
Business Type :
Manufacturer
Main Products :
EV Lithium Battery Pack, OEM Battery Pack, Electric Golf Cart Battery
Total Annual :
20000000-35000000
Employee Number :
200~400
Certification Level :
Verified Supplier
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