12V 18Ah LiFePO4 Battery

• Used for Emergency Light, Trolling Motor, Fish Finder, Kids Scooters, Kids Power Wheels, Electric Golf Push Cart, Electric Golf Caddy, Golf Electric Trolley, RVs, Caravan, Motorhome, Marine, Boat, Motor Wood Chipper, Camper, Tool Trailer, Backup Power Supply, UPS, Solar System, MPPT, Off-grid Living, etc.
• Cell: LiFePO4 (LFP)
• MOQ: 50
• Delivery: 20 Days
• Customizable / OEM / ODM: Yes
• Factory: Redway, Huizhou, Guangdong, China
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT

Description

Overview

Engineered for OEM partnerships and wholesale distribution, the 12V 18Ah Lithium Iron Phosphate Battery delivers robust energy solutions for electric vehicles, renewable systems, and backup power. As a leading lithium battery manufacturer, we combine advanced LiFePO4 technology with long-lasting performance, ensuring OEM clients receive scalable, maintenance-free power tailored to their needs.

Key Features

  • Long Cycle Life: Over 3500 cycles at 80% depth of discharge (DoD), minimizing long-term costs.
  • High Energy Output: 18Ah capacity with 230.4Wh energy for consistent power in high-demand applications.
  • Advanced BMS Protection: Intelligent safeguards against overvoltage, overheating, and short circuits.
  • Wide Temperature Range: Reliable operation from -20¡ãC to 60¡ãC, suited for extreme environments.
  • Lightweight & Compact: At 2.45 kg, easy to integrate into space-constrained setups.
  • IP65 Durability: Dustproof and water-resistant design for outdoor and industrial use.

Product Specifications

  • Nominal Voltage: 12.8V
  • Nominal Capacity: 18Ah
  • Energy Output: 230.4Wh
  • Weight: 2.45 kg (5.4 lbs)
  • Dimensions: 181.5mm x 77mm x 167.5mm

Advanced Safety & Protection

The integrated Battery Management System (BMS) ensures stable performance under diverse conditions, while the IP65-rated casing provides robust protection against dust, moisture, and vibrations. Designed for safety, this lithium battery prevents thermal runaway and balances cell performance, making it ideal for marine, automotive, and off-grid installations.

Applications

  • Electric mobility (wheelchairs, golf carts, scooters)
  • Solar and wind energy storage systems
  • Marine, RV, and off-grid power solutions
  • Industrial equipment and UPS backups
  • Custom OEM integrations

Custom OEM/ODM Solutions

As a specialized lithium battery manufacturer, we support OEM/ODM projects with flexible configurations, including custom voltages, capacities, and Bluetooth-enabled monitoring. Our collaborative approach ensures seamless integration into your products, backed by scalable production and technical expertise.

Compliance & Reliability

Certified to UL, CE, and RoHS standards, the 12V 18Ah Lithium Iron Phosphate Battery meets stringent global safety and environmental requirements. Rigorous testing guarantees durability, delivering a trusted solution for commercial, residential, and industrial energy needs.

For wholesale buyers and OEM partners, this lithium battery exemplifies innovation and adaptability, offering a future-ready power solution backed by a proven manufacturer. Elevate your energy storage systems with the efficiency and reliability of LiFePO4 technology.

How Does a 12V 18Ah LiFePO4 Battery Deliver Reliable Power?

A 12V 18Ah LiFePO4 battery provides 216Wh of energy with high efficiency and long cycle life, powering applications like e-bikes, solar systems, electric scooters, and backup power for 6 to 12 hours depending on load. Its lithium iron phosphate chemistry ensures safety, lightweight design, rapid charging, and durability, outperforming traditional lead-acid batteries.

What are the key specifications of a 12V 18Ah LiFePO4 battery?

This battery has a nominal voltage of 12.8V and a capacity of 18Ah, delivering approximately 216Wh of energy. Dimensions typically measure around 140 x 115 x 75 mm, weighing about 2 to 3 kg. It supports continuous discharge currents up to 20A and peak currents up to 50-60A for short bursts. The battery casing is usually ABS or PVC with an IP64 or higher rating for water and dust resistance. Communication protocols like RS485, CAN, and Bluetooth are often integrated. The Battery Management System (BMS) provides protection against overcharge, over-discharge, short circuit, and temperature extremes.

How long can a 12V 18Ah LiFePO4 battery last on a single charge?

Depending on the load, this battery can last between 6 to 12 hours. For example, at a continuous draw of 10A, it provides about 1.8 hours of operation (18Ah ÷ 10A). Runtime varies with usage, temperature, and application type. LiFePO4 batteries maintain about 95% efficiency, offering longer usable capacity than lead-acid batteries.

What advantages do LiFePO4 batteries offer over traditional lead-acid batteries?

LiFePO4 batteries have higher energy density, longer cycle life (over 3000 to 5000 cycles at 80% depth of discharge), faster charging, and superior thermal stability. They are safer, lighter (about half the weight of lead-acid), maintenance-free, and provide consistent voltage output throughout discharge, reducing downtime and improving performance.

How does the Battery Management System (BMS) improve safety and performance?

The BMS continuously monitors voltage, current, temperature, and state of charge, protecting against overcharge, over-discharge, overheating, and short circuits. It balances cell voltages to extend battery life and triggers alarms or shutdowns if unsafe conditions arise, ensuring reliability and safety.

What are the optimal charging and discharging parameters for this battery?

Charging typically occurs between 0°C and 45°C with a maximum charge current of 3-5A. Discharging is effective from -20°C to 60°C, supporting continuous discharge currents up to 20A and peak currents up to 50-60A for short bursts. Following these parameters optimizes battery lifespan and performance.

How long is the typical lifespan and cycle life of a 12V 18Ah LiFePO4 battery?

This battery offers over 3000 to 5000 charge cycles at 80% depth of discharge, translating to about 8 to 10 years of typical use. This is significantly longer than lead-acid batteries, reducing replacement frequency and total cost of ownership.

What applications are best suited for a 12V 18Ah LiFePO4 battery?

Ideal for e-bikes, electric scooters, solar power systems, portable power banks, backup power, robotics, and small-scale energy storage, this battery delivers reliable, lightweight, and maintenance-free power for diverse uses.

How does temperature protection enhance battery performance?

Temperature protection prevents charging or discharging outside safe temperature ranges, avoiding damage and extending battery life. Some models include built-in heaters for sub-zero charging, ensuring reliable operation in cold climates.

How does Bluetooth or communication protocol enhance battery monitoring?

Integrated Bluetooth or communication protocols like RS485 and CAN bus enable real-time monitoring of battery health, voltage, current, and temperature via apps or remote systems, allowing proactive maintenance and improved system management.

What environmental conditions can a 12V 18Ah LiFePO4 battery withstand?

Designed for rugged use, this battery operates reliably between -20°C and 60°C and features IP64 or higher-rated enclosures for dust and water resistance, suitable for harsh outdoor and portable environments.

Chart 1: Battery Cycle Life and Runtime Comparison

Battery Type Cycle Life (Cycles) Typical Runtime (Hours) Weight (kg) Energy Capacity (Wh)
LiFePO4 12V 18Ah 3000 – 5000 6 – 12 2 – 3 216
Lead-Acid 12V 18Ah 500 – 1000 3 – 5 5 – 6 ~180

Chart 2: Operating Temperature Range and IP Rating Benefits

Feature Specification Benefit
Operating Temp. -20°C to 60°C Reliable in diverse climates
IP Rating IP64 or higher Dust and water resistant

Lithium Battery Expert Views

“At LiFePO4-Battery-Factory, the 12V 18Ah LiFePO4 battery exemplifies efficiency and reliability for compact and portable applications. Its long cycle life, integrated BMS, and lightweight design deliver superior performance and safety. We are committed to providing customized, high-quality batteries that meet the evolving needs of our clients worldwide,” says an expert from LiFePO4-Battery-Factory.

Conclusion

The 12V 18Ah LiFePO4 battery is a high-performance, safe, and durable energy solution that outperforms traditional lead-acid batteries. Its advanced BMS, rugged construction, and smart communication features make it ideal for e-bikes, solar, portable power, and backup applications. Choosing this battery from trusted suppliers like LiFePO4-Battery-Factory ensures long-term reliability, enhanced efficiency, and optimized operational costs.

FAQs

Q1: How long does a 12V 18Ah LiFePO4 battery last per charge?
Typically, 6 to 12 hours depending on load and usage.

Q2: What is the cycle life of a 12V 18Ah LiFePO4 battery?
Over 3000 to 5000 cycles at 80% depth of discharge, significantly longer than lead-acid batteries.

Q3: Can this battery operate in extreme temperatures?
Yes, it performs efficiently between -20°C and 60°C.

Q4: What safety features does this battery include?
It has an advanced BMS protecting against overcharge, over-discharge, short circuits, and temperature extremes.

Q5: How does Bluetooth enhance battery monitoring?
Bluetooth enables real-time remote monitoring of battery health and performance for proactive maintenance.

Specifications

Specifications
Lithium Cell LiFePO4 (LFP)
Nominal Voltage 12.8V
Nominal Capacity 18Ah
Nominal Energy 230.4Wh
Max Charge Voltage 14.6V
Discharge Cut-off Voltage 10V
Max Continues Charge Current 15A
Max Continues Discharge Current 15A
Dimensions [L x W x H] 180 x 76 x 165 mm / 7.1 x 3 x 6.5 inches
Weight 3 kg / 4 lbs
IP Rating IP65
Max Parallel Connections No
Cycle Life >4000 cycles (80% DOD 0.5C)
Self-Discharge 3% (per month)
Charge Temperature 0°C ~ 60°C
Discharge Temperature -20°C ~ 65°C
BMS Smart BMS Protection
Optional Upgrades No
Charger Optional
Terminal M5
Battery Shell ABS
Design Life 10 Years
Warranty 3 Years
Label / Silkscreen / Laser Logo Yes
User Manual Yes
OEM Yes
Shipment Yes
Certifications UL 1642 / IEC 62619 / CE / UN38.3 / MSDS
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