Description
Overview
The 12V 20Ah Lithium Iron Phosphate (LiFePO4) Battery delivers 256Wh of reliable power in a compact, lightweight design. As a leading lithium battery manufacturer, we specialize in OEM solutions for applications like solar storage, marine systems, and backup power, combining advanced technology with exceptional cycle life and durability.
Key Features
- High Energy Density: 12.8V/20Ah configuration provides 256Wh output for extended runtime.
- 4,000+ Cycle Lifespan: Maintains 80% capacity after 4,000 cycles at 80% DOD, outperforming lead – acid alternatives.
- Rugged IP65 Design: Dustproof and water – resistant construction withstands harsh outdoor/marine environments.
- 15A Continuous Output: Supports high – demand devices with stable 15A charge/discharge current.
- Custom OEM Integration: Modify dimensions, terminals, or BMS settings to match your product requirements.
Technical Advantages
- Operates from -20¡ãC to 60¡ãC (-4¡ãF to 140¡ãF) for year – round reliability in extreme climates.
- ABS casing with UL94 – V0 flame retardancy ensures safety and impact resistance.
- Integrated BMS prevents overcharge, over – discharge, and short circuits.
- 1% monthly self – discharge preserves charge during storage.
OEM & Wholesale Benefits
- 3 – year warranty with 10 – year design lifespan reduces replacement costs.
- Lightweight 2kg (4.4lbs) design cuts shipping/logistics expenses.
- MOQ flexibility: Order 50 – 5,000 units with 15 – day lead time.
- Compliance with UN38.3, CE, and RoHS certifications.
Applications
This lithium battery powers critical systems including:
- Solar street lights and off – grid energy storage
- Electric scooters, golf carts, and trolling motors
- Medical equipment and telecom base stations
- RV/Caravan power systems
As a trusted lithium battery manufacturer, we empower OEM partners with scalable production, custom branding, and competitive bulk pricing. Contact us to optimize your energy solutions with LiFePO4 technology tailored to your specifications.
How Does a 12V 20Ah LiFePO4 Battery Deliver Reliable Power?
A 12V 20Ah LiFePO4 battery provides 256Wh of energy with high efficiency and long cycle life, powering applications like solar systems, portable power stations, electric vehicles, 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 20Ah LiFePO4 battery?
This battery has a nominal voltage of 12.8V and a capacity of 20Ah, delivering approximately 256Wh of energy. Dimensions typically measure around 7.1 x 3.3 x 6.6 inches, weighing about 4.5 to 6.8 lbs. It supports continuous discharge currents up to 20A and peak currents up to 45A for short bursts. The battery casing is ABS plastic or metal with IP65 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 20Ah 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 2 hours of operation (20Ah ÷ 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 15000 cycles at 50-80% 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 20A. Discharging is effective from -20°C to 70°C, supporting continuous discharge currents up to 20A and peak currents up to 45A for short bursts. Following these parameters optimizes battery lifespan and performance.
How long is the typical lifespan and cycle life of a 12V 20Ah LiFePO4 battery?
This battery offers over 3000 to 15000 charge cycles depending on depth of discharge, translating to about 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 20Ah LiFePO4 battery?
Ideal for solar power systems, portable power stations, electric bikes, backup power, trolling motors, 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 20Ah LiFePO4 battery withstand?
Designed for rugged use, this battery operates reliably between -20°C and 70°C and features IP65 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 (lbs) | Energy Capacity (Wh) |
|---|---|---|---|---|
| LiFePO4 12V 20Ah | 3000 – 15000 | 6 – 12 | 4.5 – 6.8 | 256 |
| Lead-Acid 12V 20Ah | 500 – 1000 | 3 – 5 | 10 – 15 | ~200 |
Chart 2: Operating Temperature Range and IP Rating Benefits
| Feature | Specification | Benefit |
|---|---|---|
| Operating Temp. | -20°C to 70°C | Reliable in diverse climates |
| IP Rating | IP65 or higher | Dust and water resistant |
Lithium Battery Expert Views
“At LiFePO4-Battery-Factory, the 12V 20Ah 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 20Ah 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 solar, portable power, electric vehicles, 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 20Ah LiFePO4 battery last per charge?
Typically, 6 to 12 hours depending on load and usage.
Q2: What is the cycle life of a 12V 20Ah LiFePO4 battery?
Over 3000 to 15000 cycles depending on 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 70°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.
