12V 8Ah Lithium Battery

Our 12V 8Ah Lithium Iron Phosphate (LiFePO4) Battery is a high-efficiency energy solution designed for OEM partners and wholesale buyers. As a leading lithium battery manufacturer, we deliver compact, durable, and customizable power systems ideal for marine electronics, solar setups, and industrial applications.

Key Features

Compact and Lightweight Design: Weighing only 0.8 kg with dimensions of 151 x 65 x 95 mm, this battery fits seamlessly into space-constrained installations.

Extended Cycle Life: Engineered for over 6,000 cycles at 80% DOD, it ensures long-term reliability and reduced operational costs.

Advanced Safety Systems: Integrated BMS safeguards against overcharging, over-discharging, and short circuits, aligning with industrial safety standards.

Wide Operational Range: Functions optimally from -20¡ãC to 65¡ãC, making it suitable for extreme environments.

Product Description

The 12V 8Ah LiFePO4 Battery provides a stable 12.8V output and 102.4Wh energy capacity, ensuring consistent power delivery for demanding applications like UPS systems and solar panels. Its flexible charging range (0¡ãC¨C60¡ãC) and low self-discharge rate (1.5% monthly) enhance usability in backup scenarios.

With a peak discharge current of 10A, it supports high-power devices without compromising performance. OEM/ODM clients benefit from tailored branding, labeling, and documentation options, ensuring seamless integration into custom solutions.

How Does a 12V 8Ah Lithium Battery Deliver Reliable Power?

A 12V 8Ah lithium battery, especially using lithium iron phosphate (LiFePO4) chemistry, offers reliable, long-lasting power with high energy density, fast charging, and excellent safety features. It outperforms traditional lead-acid batteries in lifespan, weight, and maintenance, making it ideal for portable electronics, solar energy storage, and medium-power applications.

What are the technical specifications of a 12V 8Ah lithium battery?

A typical 12V 8Ah lithium battery operates at a nominal voltage of 12.8V with a capacity of 8Ah, delivering about 102.4Wh of energy. It features high-quality EV-grade LiFePO4 cells, internal resistance below 40mΩ, and a Battery Management System (BMS) supporting continuous charge and discharge currents of around 8A. Dimensions vary around 150 x 65 x 95 mm, with a weight near 1 to 1.2 kg. The battery is often housed in flame-retardant ABS plastic with IP65 waterproof rating.

How does a 12V 8Ah lithium battery compare to lead-acid batteries?

Compared to lead-acid batteries, 12V 8Ah lithium batteries offer up to 5 times longer cycle life (up to 15,000 cycles at 40% depth of discharge), significantly lighter weight (up to 80% lighter), faster charging, and zero maintenance requirements. They provide stable voltage output and better performance in extreme temperatures, making them more efficient and cost-effective over time.

What are the common applications of a 12V 8Ah lithium battery?

These batteries are widely used in portable electronics, solar power systems, emergency lighting, electric bikes, medical devices, and backup power supplies. Their compact size and reliable power output make them suitable for applications requiring medium power with long operational life.

How long is the cycle life and lifespan of a 12V 8Ah lithium battery?

The cycle life ranges from 2,000 up to 15,000 cycles depending on depth of discharge, with typical lifespan between 5 to 10 years. Lower depth of discharge and proper maintenance extend battery longevity significantly.

What safety features and certifications ensure battery reliability?

Integrated Battery Management Systems (BMS) protect against overcharge, overdischarge, short circuits, and temperature extremes. Certifications such as UN38.3, UL1642, CE, FCC, and RoHS confirm compliance with international safety and quality standards.

How should a 12V 8Ah lithium battery be charged and maintained?

Charging follows a CC/CV (constant current/constant voltage) method with recommended charge voltages around 14.6V and charge currents near 8A. Maintenance is minimal: keep terminals clean, avoid deep discharges, and store batteries in cool, dry environments. Use chargers compatible with LiFePO4 chemistry for optimal performance.

What are the physical size and weight considerations?

Typical dimensions are approximately 150 mm long, 65 mm wide, and 95 mm high, with weights around 1 to 1.2 kg. The compact, lightweight design facilitates easy integration into portable and stationary devices.

How does temperature influence the performance of a 12V 8Ah lithium battery?

The battery operates effectively between -20°C and 55°C for discharge, and 0°C to 50°C for charging. Extreme temperatures can reduce efficiency and lifespan, so temperature-controlled charging and storage are recommended.

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

The BMS continuously monitors voltage, current, temperature, and state of charge, balancing cell voltages and preventing unsafe conditions such as overcharge, overdischarge, and thermal runaway. It enhances battery reliability and longevity, ensuring safe operation.

What advantages does LiFePO4 chemistry offer in 12V 8Ah batteries?

LiFePO4 chemistry provides superior thermal stability, longer cycle life, higher safety, and environmental friendliness compared to other lithium-ion chemistries. It delivers consistent voltage output and supports deep discharges without damage.

How do you select the right 12V 8Ah lithium battery for your needs?

Consider voltage and capacity requirements, physical size constraints, discharge current needs, and application environment. Choose batteries with integrated BMS and certifications from reputable manufacturers like Lithium-Battery-Manufacturer to ensure quality and support.

Battery Specification and Performance Chart

Charging and Temperature Range Chart