The 12V 500Ah Lithium Battery from Redway Power is a robust energy storage solution designed for high-demand applications. Utilizing advanced LiFePO4 technology, this battery delivers a nominal energy output of 6.4kWh, making it ideal for RVs, marine systems, and solar setups. Perfect for OEM, ODM, and wholesale buyers seeking reliable and customizable energy solutions.

Key Features:

· High Capacity: Provides a nominal voltage of 12.8V and a capacity of 500Ah, ensuring substantial energy output for various applications.

· Long Cycle Life: Engineered for over 6000 cycles at 80% Depth of Discharge (DOD), offering exceptional longevity and reliability.

· Heavy-Duty Design: Dimensions of 524 x 220 x 467 mm and a weight of 68 kg make it suitable for demanding environments while remaining manageable for installation.

· IP65 Rating: Offers excellent protection against dust and water ingress, making it suitable for outdoor and marine applications.

· Customizable Options: Available for OEM/ODM customization, including features like Bluetooth connectivity, LCD displays, and smart monitoring capabilities.

Product Description:

The Redway Power 12V 500Ah Lithium Battery is designed to meet the energy demands of various applications such as RVs, boats, and off-grid solar systems. With a maximum continuous charge current of 100A and discharge current of up to 300A, this battery ensures efficient power management tailored to your needs.

Constructed with a durable metal casing, this battery is built to withstand harsh conditions while maintaining optimal performance. It operates effectively within a temperature range of 0°C to 60°C for charging and -20°C to 60°C for discharging.

Equipped with a smart Battery Management System (BMS), this battery protects against overcharging, over-discharging, short circuits, and other potential hazards. The self-discharge rate is approximately 2% per month, ensuring that the battery retains its charge during periods of inactivity.

With a warranty period of 3 years, the Redway Power 12V 500Ah Lithium Battery stands out as an excellent choice for OEMs, wholesalers, and those seeking high-performance energy solutions. Contact us today to explore customization options and bulk purchasing benefits!

Top OEM Suppliers and Lead Time

Top 12V 500Ah lithium battery OEM suppliers in China?
Leading OEM suppliers in China for 12V 500Ah lithium batteries include CATL, BYD, EVE Energy, CALB, and Ganfeng Lithium. These manufacturers provide high-quality LiFePO4 solutions with certifications like UL, CE, and UN38.3.

What certifications do Chinese lithium battery OEMs have?
Chinese lithium battery OEMs typically hold ISO 9001, UN38.3, CE, RoHS, UL, and MSDS certifications. These ensure compliance with international safety and performance standards for batteries used in industrial, automotive, and solar applications.

How to compare prices among Chinese OEM suppliers?
Compare OEM battery prices by considering cell quality, certifications, warranty, MOQ, and production capacity. Direct factory sourcing often reduces costs, while branded suppliers may offer better consistency and safety assurances.

Quality control standards for China lithium battery OEMs?
China’s lithium battery OEMs follow strict ISO 9001, Six Sigma, and UL 1642 standards. They implement automated testing, cycle life analysis, thermal management assessments, and BMS optimization to ensure quality.

Customization options for 12V 500Ah lithium batteries?
OEMs offer customized lithium batteries for specific applications, including voltage adjustments, casing materials, BMS settings, and terminal types. Customers can request enhanced safety features, waterproof designs, or communication protocols (CAN/RS485).

Lead time for 12V 500Ah lithium batteries from China?
The standard lead time for OEM 12V 500Ah lithium battery orders is 4 to 8 weeks. This depends on custom specifications, order volume, and production schedules.

Performance and Lifespan

What certifications do manufacturers typically hold?
Manufacturers obtain CE, UN38.3, UL, IEC, and ISO 9001 certifications, ensuring batteries meet international safety and reliability standards. Some high-end suppliers also provide TUV and BIS certifications.

How to customize a 12V 500Ah lithium battery?
Customization includes BMS settings, terminal types, IP rating, discharge rate, and communication protocols. OEMs can also tailor battery size, shape, and energy density based on client needs.

What is deep cycle performance in lithium batteries?
Deep-cycle lithium batteries offer up to 4000-8000 charge cycles, significantly outperforming lead-acid. They provide consistent voltage output and superior energy efficiency.

How long is the expected lifespan?
A 12V 500Ah lithium battery lasts 10-15 years or 4000-8000 cycles, depending on charge depth, temperature conditions, and maintenance.

What charging time is required fully?
Charging a 12V 500Ah LiFePO4 battery takes 5-10 hours depending on the charger type. A 100A charger can charge it in 5 hours, while a 50A charger requires 10 hours.

Are warranties provided for industrial applications?
Yes, most OEM lithium batteries come with a 3-10 year warranty, covering capacity retention, cycle life, and manufacturing defects.

Pricing and Cost Factors

What is the factory price for OEM 12V 500Ah LiFePO4 batteries?
Factory OEM pricing for a 12V 500Ah LiFePO4 battery ranges from $900 to $1,800, depending on BMS features, cell quality, and certifications.

What factors affect pricing of 12V 500Ah LiFePO4 OEM batteries?
Key pricing factors include cell grade (A/B), energy density, BMS capabilities, casing material, and bulk order quantity. Higher-capacity batteries with advanced features cost more.

Are certifications included in OEM LiFePO4 battery production?
Yes, leading OEM suppliers provide CE, UN38.3, UL, and IEC62133 certifications to meet export and safety requirements. Additional certifications may incur extra costs.

What applications suit 12V 500Ah LiFePO4 OEM batteries?
Common applications include solar energy storage, RV power systems, marine propulsion, industrial backup, and medical devices.

Can OEM LiFePO4 batteries be customized for specific requirements?
Yes, OEMs allow custom configurations for voltage, connectors, communication interfaces, BMS settings, and IP ratings to meet industry-specific needs.

How do Chinese OEM LiFePO4 batteries compare in cost-performance?
Chinese OEM LiFePO4 batteries offer higher cycle life, better energy efficiency, and lower maintenance costs than lead-acid, making them more cost-effective in the long run.

Solar and Renewable Energy Applications

What are 12V lithium batteries' solar storage advantages?
Lithium batteries offer higher efficiency, longer lifespan, deeper discharge cycles, and faster charging, making them ideal for solar energy storage.

How to evaluate capacity and lifespan for solar use?
Check the Ah rating, cycle life, depth of discharge (DoD), and warranty. A 12V 500Ah LiFePO4 battery typically lasts 10+ years with proper maintenance.

Best solar systems for high-capacity 12V lithium?
Lithium 12V 500Ah batteries work best with off-grid solar setups, RV solar power, and home energy storage requiring high-capacity storage.

Charging time with solar input requirements?
With a 2000W solar panel system, a 12V 500Ah battery can charge in 6-10 hours, depending on sunlight conditions and charge controller efficiency.

Safety features for extreme temperature operation?
LiFePO4 batteries feature BMS protection, thermal monitoring, and auto-shutdown to prevent overheating, freezing, and short circuits.

Cost-effectiveness vs lead-acid in solar setups?
Lithium batteries have a higher upfront cost but offer longer lifespan, deeper discharge, and lower maintenance costs, making them more cost-effective than lead-acid.

Lithium vs Lead-Acid Battery Comparison

Cost comparison between 500Ah Li-ion OEM and lead-acid?
A 500Ah lithium battery costs $900-$1,800, while a 500Ah lead-acid battery costs $500-$1,000. Lithium batteries last 5x longer and provide better performance.

Lifespan differences: Li-ion vs lead-acid 500Ah?
Li-ion batteries last 10-15 years (4000-8000 cycles), while lead-acid lasts 3-5 years (500-1000 cycles).

Energy density of 500Ah Li-ion vs lead-acid?
Lithium batteries have 3-5x higher energy density, meaning they are lighter and more compact than lead-acid.

Environmental impact: Li-ion vs lead-acid batteries?
LiFePO4 batteries are non-toxic, recyclable, and have a lower carbon footprint compared to lead-acid, which contains harmful lead and sulfuric acid.

Maintenance requirements for 500Ah Li-ion vs lead-acid?
Lithium batteries require zero maintenance, while lead-acid needs regular water refills and terminal cleaning.

Applications suited for 500Ah Li-ion over lead-acid?
Lithium 500Ah batteries are ideal for solar storage, RVs, marine use, off-grid power, and industrial backup due to their long lifespan and reliability.

Battery Specifications and Safety Features

What is the voltage and capacity specification?
A 12V 500Ah lithium battery delivers 6,000Wh of energy, providing high-capacity storage for off-grid and industrial applications.

Which certifications does the BMS comply with?
The Battery Management System (BMS) meets UL 1973, IEC 62619, UN38.3, and CE standards for safety and reliability.

How does BMS enhance battery performance longevity?
A BMS protects against overcharging, over-discharging, short circuits, and temperature fluctuations, ensuring longer lifespan and stable operation.

What safety features are integrated into the battery?
LiFePO4 batteries include overvoltage protection, thermal monitoring, fire-retardant casing, and automatic shutdown for enhanced safety.

Intended applications for 12V 500Ah lithium battery?
These batteries are used in solar energy storage, marine, RVs, industrial equipment, and medical backup power.

OEM customization options and quality control process?
OEMs offer custom BMS, casing, terminals, and voltage options, with strict ISO-certified testing protocols.