Description
Our 12.8V 18Ah LiFePO4 Battery combines cutting-edge lithium technology with robust design, delivering unmatched reliability for industrial, commercial, and OEM applications. Built with LiFePO4 cells, this battery offers a 10-year design life, >4000 cycles, and IP65 protection, making it ideal for demanding environments. As a trusted lithium battery manufacturer, we prioritize safety, performance, and customization for wholesale and OEM partners.
Key Features
High Cycle Life: Engineered for >4000 cycles at 80% depth of discharge, ensuring long-term cost efficiency.
Smart BMS Protection: Advanced battery management system safeguards against overcharge, over-discharge, and short circuits.
Wide Temperature Range: Operates flawlessly from -20¡ãC to 65¡ãC, suited for extreme climates.
Lightweight & Compact: At 3 kg, its space-saving design (180x76x165mm) optimizes integration into diverse systems.
Certified Safety: Compliant with UL 1642, IEC 62619, CE, and UN38.3 standards for global market access.
Product Description
This lithium battery features a 230.4Wh energy capacity and 15A continuous discharge, perfect for UPS systems, solar storage, and portable power solutions. The ABS shell and M5 terminals enhance durability and connectivity, while the 3% monthly self-discharge rate ensures readiness during storage. OEM clients benefit from customizable branding, manuals, and seamless logistics support.
Advanced Safety & Reliability
The IP65-rated enclosure protects against dust and water ingress, ideal for outdoor or industrial use. With a 10V discharge cutoff and 14.6V max charge voltage, the battery maintains stable performance across its lifespan. Our smart BMS continuously monitors cell balance and temperature, preventing failures in critical applications.
A 12V 18Ah LiFePO4 battery offers long-lasting, lightweight, and safe energy storage with superior cycle life and stable voltage output. Ideal for electric vehicles, solar systems, and backup power, it delivers reliable performance with low maintenance and fast charging capabilities.
How Does a 12V 18Ah LiFePO4 Battery Work?
A 12V 18Ah LiFePO4 battery is built from lithium iron phosphate cells connected in series and parallel to provide a nominal voltage of 12.8 volts and a capacity of 18 ampere-hours. The LiFePO4 chemistry ensures a flat discharge curve, delivering consistent voltage throughout most of the discharge cycle. Integrated Battery Management Systems (BMS) monitor cell voltage, temperature, and current to prevent overcharge, over-discharge, and short circuits, maximizing safety and battery longevity.
What Are the Key Benefits of Using a 12V 18Ah LiFePO4 Battery?
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Extended Cycle Life: Over 3,000 cycles under typical use, far exceeding lead-acid batteries.
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Lightweight and Compact: Approximately 50% lighter than comparable lead-acid batteries, improving portability.
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Stable Voltage Output: Maintains near-constant voltage for consistent device performance.
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Fast Charging: Supports CC/CV charging protocols for quicker recharge times.
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Enhanced Safety: Chemically stable with low risk of thermal runaway.
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Low Self-Discharge: Retains charge well during storage, reducing maintenance needs.
These features make it ideal for applications requiring dependable, long-lasting power.
Which Applications Are Best Suited for a 12V 18Ah LiFePO4 Battery?
This battery size is perfect for:
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Electric scooters, e-bikes, and mobility devices.
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Solar energy storage and off-grid systems.
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Uninterruptible power supplies (UPS) and backup power.
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Marine and recreational vehicle power sources.
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Robotics, medical devices, and communication equipment.
Its balance of capacity and voltage supports moderate power demands with portability.
Why Is the Battery Management System (BMS) Important for LiFePO4 Batteries?
The BMS is vital for monitoring individual cells to ensure balanced charging and discharging. It protects against overcharge, over-discharge, short circuits, and excessive current, preventing damage and extending battery life. BMS also enhances safety by managing thermal conditions and preventing hazardous situations.
How Should You Properly Charge a 12V 18Ah LiFePO4 Battery?
Charging requires a LiFePO4-compatible charger using a two-stage method:
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Constant Current (CC) Phase: The charger delivers a steady current (typically around 3A for 18Ah) until the battery voltage reaches about 14.6V.
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Constant Voltage (CV) Phase: Voltage is maintained while current gradually decreases until the battery is fully charged.
Using incompatible chargers, such as those designed for lead-acid batteries, can damage the battery or reduce its lifespan.
What Maintenance Practices Help Extend the Life of a 12V 18Ah LiFePO4 Battery?
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Avoid discharging below 9.2V to protect cells.
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Store the battery at roughly 40-60% charge if unused for extended periods.
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Keep the battery in a cool, dry environment.
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Use chargers with built-in cell balancing.
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Regularly inspect connections and clean terminals.
Can a 12V 18Ah LiFePO4 Battery Replace Lead-Acid Batteries?
Yes. Compared to lead-acid batteries, LiFePO4 batteries offer:
| Feature | Lead-Acid Battery | LiFePO4 Battery |
|---|---|---|
| Cycle Life | 300–500 cycles | 3,000+ cycles |
| Weight | Heavier | ~50% lighter |
| Voltage Stability | Voltage drops steadily | Stable voltage output |
| Maintenance | Requires topping up | Low maintenance |
| Safety | Acid leakage risk | Thermally stable |
| Charging Speed | Slower | Faster |
This makes LiFePO4 batteries a superior, longer-lasting, and lighter alternative.
Where Can You Buy High-Quality 12V 18Ah LiFePO4 Batteries?
Heated Battery offers premium 12V 18Ah LiFePO4 batteries featuring advanced BMS and thermal management. Available through specialized distributors and online retailers, Heated Battery products come with warranties and expert support, ensuring reliability and safety.
How Does Temperature Affect the Performance of a 12V 18Ah LiFePO4 Battery?
Temperature impacts battery efficiency and longevity. Optimal operation is between 0°C and 45°C for charging and -20°C to 60°C for discharging. Cold temperatures reduce capacity and discharge rates, while high temperatures accelerate aging. Heated Battery incorporates thermal management in some models to maintain performance in varying climates.
What Are the Environmental Advantages of Using a 12V 18Ah LiFePO4 Battery?
LiFePO4 batteries are environmentally friendly due to:
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Use of non-toxic, iron-based cathode materials.
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Long lifespan reducing waste.
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High energy efficiency.
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Recyclability of lithium and iron components.
They support sustainable energy storage and reduce ecological impact.
How Does Charging Current Influence Charging Time for a 12V 18Ah LiFePO4 Battery?
Charging current affects how quickly the battery reaches full charge. For an 18Ah battery:
| Charging Current | Approximate Charging Time | Notes |
|---|---|---|
| 0.2C (3.6A) | 5 to 6 hours | Optimal for battery health |
| 0.3C (5.4A) | 3.5 to 4 hours | Balanced speed and safety |
| 0.5C (9A) | 2 to 2.5 hours | Faster, moderate heat |
Heated Battery recommends charging between 0.2C and 0.3C to maximize lifespan.
Heated Battery Expert Views
The 12V 18Ah LiFePO4 battery is a versatile and reliable power source for a broad range of applications. At Heated Battery, we emphasize integrating robust BMS technology and thermal management to ensure safety and performance across diverse environments. This battery size offers an excellent balance of capacity, weight, and durability, making it ideal for electric mobility, solar storage, and backup power. Our commitment is to provide customers with batteries that deliver consistent, maintenance-free power over thousands of cycles. — Senior Battery Engineer, Heated Battery
How Does the Cycle Life of a 12V 18Ah LiFePO4 Battery Compare to Other Battery Types?
LiFePO4 batteries typically provide over 3,000 full charge-discharge cycles, significantly outperforming lead-acid batteries (300–500 cycles) and other lithium-ion chemistries (500–1,000 cycles). This longevity lowers replacement frequency and overall costs.
What Safety Precautions Are Recommended When Using a 12V 18Ah LiFePO4 Battery?
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Use chargers designed for LiFePO4 chemistry.
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Avoid physical damage and extreme temperatures.
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Ensure proper ventilation during charging.
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Use batteries equipped with built-in BMS.
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Store batteries safely away from flammable materials.
When Should You Replace Your 12V 18Ah LiFePO4 Battery?
Replace the battery when capacity drops below 70–80% of the rated 18Ah or when it no longer holds a charge effectively. Regular capacity testing helps monitor battery health.
