12V 18Ah Lithium 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

Our 12V 18Ah Lithium Iron Phosphate Battery is a high-efficiency power solution engineered for OEM partnerships and wholesale distribution. Combining LiFePO4 technology with a lightweight design, this lithium battery delivers reliable performance across electric mobility, solar energy storage, and industrial backup systems while prioritizing safety and durability.

Key Features

Optimized Energy Output: 12.8V voltage and 18Ah capacity provide 230.4Wh of stable power for continuous operation in high-demand devices.
Extended Service Life: Over 3,500 cycles at 80% DoD ensure multi-year usability, minimizing replacement expenses for OEM projects.
Robust Environmental Tolerance: Operates flawlessly from -20¡ãC to 60¡ãC, making it suitable for outdoor solar installations or electric vehicles in extreme climates.
Advanced Safety Protocols: Integrated BMS prevents overcharge, over-discharge, and short circuits while maintaining IP65-rated dust/water resistance.
Space-Saving Portability: Compact dimensions (181.5¡Á77¡Á167.5mm) and 2.45kg weight enable effortless integration into OEM equipment designs.

Product Description

As a trusted lithium battery manufacturer, our 12V 18Ah Lithium Iron Phosphate Battery supports peak discharge currents of 36A for automotive and renewable energy applications. The modular casing allows seamless ODM customization, including Bluetooth-enabled monitoring for fleet management systems.

Precision-engineered with UL, CE, and RoHS certifications, this maintenance-free lithium battery excels in marine environments, off-grid solar arrays, and medical mobility devices. OEM clients benefit from scalable production options, rapid 14.6V charging compatibility, and lifetime cost savings of up to 70% compared to traditional lead-acid alternatives.

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

A 12V 18Ah lithium battery provides 230Wh of stable energy with fast charging, long cycle life, and advanced safety features. Ideal for portable electronics, marine, solar, and mobility applications, it offers lightweight design and smart BMS with cell balancing for reliable, maintenance-free performance.

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

This battery has a nominal voltage of 12.8V and capacity of 18Ah, storing 230Wh of energy. It features a low internal resistance (~70 mΩ), maximum continuous charge and discharge currents of 20A, and a charge cut-off voltage of 15.6V. Dimensions are approximately 181 x 76 x 170 mm, weighing about 2.4 kg. The casing is ABS plastic with an IP64 rating. The BMS provides overcharge, over-discharge, short circuit, and temperature protections.

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

Depending on load, it can last several hours; for example, at a 5A continuous draw, it provides about 3.6 hours of operation (18Ah ÷ 5A). Runtime varies with device power consumption.

What advantages do lithium batteries offer over lead-acid batteries?

Lithium batteries are lighter, have higher energy density, longer cycle life (over 4000 cycles at 80% depth of discharge), faster charging, and better thermal stability. They require less maintenance and deliver consistent voltage output.

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

The BMS monitors and balances cell voltages, protects against overcharge, over-discharge, short circuits, and temperature extremes, ensuring safe operation and extending battery lifespan.

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

Charging is recommended between -10°C and 55°C with a maximum charge current of 20A. Discharging operates safely from 0°C to 55°C, with storage temperature range from -20°C to 60°C.

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

This battery typically offers over 4000 charge cycles at 80% depth of discharge, translating to about 10 years of service life.

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

Ideal for portable power devices, marine electronics, solar off-grid systems, electric scooters, and backup power solutions.

How does Bluetooth or communication protocol enhance battery monitoring?

Bluetooth and other protocols enable real-time monitoring of battery health, voltage, current, and temperature via mobile apps, allowing proactive maintenance and performance optimization.

What benefits does lightweight design provide?

Lightweight design facilitates portability, ease of installation, and improved energy efficiency compared to heavier lead-acid batteries.

How does temperature protection improve battery performance?

Temperature protection prevents battery damage by disabling charging or discharging outside safe temperature ranges, enhancing safety and longevity.

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

It operates reliably between -20°C and 60°C, with IP64-rated casing providing dust and splash resistance suitable for various 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 4000+ 3 – 6 2.4 230
Lead-Acid 12V 18Ah 500 – 1000 1.5 – 3 5 – 6 ~216

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 Dust and splash resistant

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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