CloudEnergy 12V 300Ah LiFePO4 Lithium Battery: Industrial-Grade Energy Storage

A reliable 12V 300Ah lithium battery engineered with LiFePO4 technology, ideal for B2B bulk deployments in off-grid, marine, and industrial systems. Backed by a 10-year (120-month) warranty and global certifications, it delivers stable performance for demanding applications.

Key Features

High Discharge Performance: 100A continuous, 300A peak output for heavy-duty loads.
6000+ Deep Cycles: Long lifespan reduces replacement costs; 80% capacity retention.
Advanced Safety BMS: Built-in 20+ protections (overcharge, short circuit, overheat) for system integrity.
IP66 Weatherproof: Dust-tight and water-resistant, perfect for marine/off-grid installs.
Lead-Acid Replacement: 50% lighter with 2× energy density, simplifying installation.
Global Certifications: UL, CE, UN38.3, IEC62133 approved for seamless global supply.

Cloud Energy 12V 300Ah Lithium Iron Phosphate Battery Features

Key specifications and A+ certification of CloudEnergy 12V 300Ah lithium battery

CloudEnergy 12V 300Ah lithium battery as an off - grid living solution

CloudEnergy 12V 300Ah lithium battery with a 10,000 - cycle lifespan

Capacity expansion capabilities of CloudEnergy 12V 300Ah lithium battery

Eco - friendly Battery Management System (BMS) of CloudEnergy 12V 300Ah lithium battery

Parameter	Value
Nominal Voltage	12.8V
Nominal Capacity	300Ah
Energy	3840Wh
Standard Charge Voltage	14.2V-14.6V
Discharge Cut-off Voltage	10.8V
Standard Charge Current	50A
Max. Charge Current	100A
Max. Continuous Discharge Current	300A
Peak Discharge Current	300A
Dimension	15.117.639.96 inch
Weight	25.8KG/56.89LB
Cycle Life	6000+ cycles
Charge Temperature	0~50°℃
Discharge Temperature	-20~ 60°C
Storage Temperature	-10~50℃

CloudEnergy 12V 300Ah LiFePO4 Lithium Battery: Deep Cycle Power for Industrial & Off-Grid Applications

Engineered with advanced LiFePO4 technology, the CloudEnergy 12V 300Ah lithium battery is built for high-demand deep cycle applications. Equipped with M8 terminals and bolts for secure installation, it delivers reliable power across off-grid solar systems, RVs, marine vessels, camping setups, and backup power solutions.

As a direct replacement for lead-acid batteries, it seamlessly integrates into devices like mobility scooters, UPS systems, fire alarms, access controls, and medical equipment—with additional suitability for rigorous military and aerospace use cases.

Why LiFePO4? Superior to SLA/Gel Batteries

Unlike traditional SLA or Gel batteries, this 12V 300Ah LiFePO4 battery offers:

Full-Depth Discharge Safety: Can be fully discharged without damage, maximizing usable energy.
Enhanced Performance: Higher efficiency, longer cycle life, and stable output for critical applications like solar storage, RV power, and marine systems (commonly referred to as “RV lithium,” “marine lithium,” or “solar lithium batteries”).

Key Features

Maintenance-Free: No watering or upkeep required—ideal for remote or unattended setups.
Long Lifespan: 10–15 years of service life (6000+ deep cycles) for long-term cost savings.
Advanced BMS Protection: Inbuilt multi-layer safeguards (overcharge, over-discharge, short circuit, overheat) ensure system and user safety.
Premium Grade A+ Cells: High-quality lithium iron phosphate cells for reliable, consistent performance in harsh environments.
Eco-Friendly & Cost-Efficient: More recharge cycles and longer lifetime reduce replacement needs, lowering environmental impact and total cost of ownership.

Why Choose CloudEnergy?

Extended Warranty: 3-year quality warranty for LiFePO4 batteries (12.8V 20Ah/50Ah/100Ah/200Ah/500Ah/1000Ah, etc.), ensuring long-term reliability.
Flexible Customization: OEM/ODM services available with no minimum order quantity (MOQ)—tailor products to your exact needs.
Premium Quality at Factory Price: Crafted with industrial-grade original CloudEnergy factory LiFePO4 cells, combining top-tier performance with cost efficiency.
Advanced Smart BMS: Equipped with a state-of-the-art Battery Management System for enhanced safety and performance optimization.

Packaging & Delivery

Packaging:

Standard: Carton box → Pallet → Container (shockproof and moisture-resistant, compliant with international shipping standards).
Customizable: Packaging design, logos, or materials available to align with your brand requirements.

Shipping:

Sample Orders: 25–30 working days for new samples (shipped via DHL, UPS, FedEx, or TNT for fast delivery).
Mass Production: 15–20 working days after deposit received and sample confirmation (sea freight recommended for cost efficiency; we provide trusted forwarder services upon request).

Our Services

OEM/ODM Customization:

Technical Tailoring: Voltage, capacity, and dimensions tailored to your specifications.
BMS Tuning: Custom charging/discharging current parameters for optimal system compatibility.
Hardware Customization: Connectors, casing, wiring, and silk-printed logos to match your brand identity.

After-Sales Support:

24-Hour Inquiry Response: Dedicated team to address product questions or concerns promptly.
12-Hour Claim Resolution: Swift action for standard customer claims to minimize downtime.
Stringent Quality Control: 100% individual pre-shipment testing to ensure every battery meets CloudEnergy’s high standards.

FAQ: CloudEnergy 12V 300Ah LiFePO4 Lithium Battery

1: Is CloudEnergy a trading company or factory?

A: Manufacturer with own factory, integrating R&D, production, sales for end-to-end quality control.

2: What is the quality of CloudEnergy’s LiFePO4 batteries?

A: 12+ years of LiFePO4 expertise; authorized supplier to Siemens, Bosch—ensuring industrial-grade reliability.

3: Do you offer OEM/ODM services?

A: Yes—our in-house engineers support custom design/R&D for tailored solutions.

4: What is your minimum order quantity (MOQ)?

A: Flexible MOQ: No strict minimum, tailored to voltage/capacity needs.

5: What payment terms do you accept?

A: TT, PayPal, West Union, and other secure global payment methods.

6: Recommended float voltage for 12V 300Ah LiFePO4 battery?

A: 13.5V–13.8V to optimize lifespan and performance.

7: Suitable for RV applications?

A: Yes—durable, high-capacity energy storage for RV appliances, lighting, off-grid systems.

8: Suitable for electric boats?

A: Absolutely—high energy density, long cycle life, IP67 waterproof for marine propulsion/accessories.

9: Charging time for 12V 300Ah battery?

A: Depends on charger current:

40A charger: ~7.5 hours (0–100%)
20A charger: ~15 hours
10A charger: ~30 hours
Note: Use CloudEnergy’s dedicated 12V charger for optimal speed/lifespan.

10: Weight of 12V 300Ah battery?

A: 25–30 kg (significantly lighter than lead-acid, enhancing portability for marine/RV/solar).

11: Required solar panel size (5 peak sunlight hours)?

A: MPPT controller: 900–1050W; PWM controller: 1050–1300W. Adjust for local sunlight/inefficiencies (e.g., 1200W+ for fewer peak hours).

12: Runtime & lifespan?

A: Runtime (example): 10W device ≈ 324h, 100W ≈ 32.4h, 1000W ≈ 3.24h.
Lifespan: 5–15 years/6000+ cycles (LiFePO4 technology), ideal for long-term use.