12.8V 20Ah Rechargeable LiFePO4 Battery

Looking for a reliable China supplier of the 12.8V 20Ah Rechargeable LiFePO4 Battery? Vcell Power operates multiple factories with strict quality management. This LiFePO4 product offers safety, longevity, and direct lead-acid replacement. Backed by real technical support and warranty.

Who Actually Needs This Type of Battery?

Solar Lighting and Off-Grid Systems

Solar street lights and garden lights operate on a simple daily cycle: charge by day, discharge by night. That cycle repeats 365 times a year.

For lead-acid batteries, this means replacement every 12 to 18 months. For the 12.8V 20Ah Rechargeable LiFePO4 Battery, the cycle count exceeds 2500 times. In practical terms, a single unit can outlast three or more lead-acid replacements.

The built-in BMS also prevents over-discharge on cloudy days — a common failure mode for non-protected batteries in solar applications.

Field Detection and Remote Monitoring Equipment

Equipment deployed in fields, forests, or along coastlines cannot be serviced weekly. Once installed, it must run for months without intervention.

This product is widely used for field detection equipment because of three features:

l  Stable voltage output until the BMS cuts off

l  No memory effect, allowing partial recharging at any time

l  Wide temperature tolerance without derating

Direct Lead-Acid Replacement

Many devices — including trolling motors, backup alarms, and portable medical carts — were originally designed for lead-acid batteries. Retrofitting them for other lithium chemistries often requires new chargers or external protection circuits.

The 12.8V 20Ah Rechargeable LiFePO4 Battery drops into the same physical space. The voltage curve is compatible with most existing 12V systems, and the built-in BMS handles protection internally.

Why LiFePO4 Chemistry Instead of Other Lithium Types?

Thermal and Chemical Stability You Can Rely On

Not all lithium-ion batteries are safe in enclosed or high-temperature environments.

This product is based on IFR32650 cells, which use lithium iron phosphate chemistry. Key characteristics verified during production:

1.        No thermal runaway even under abuse conditions

2.        No oxygen release during overheating

3.        Stable crystal structure that resists breakdown over thousands of cycles

These properties make the 12.8V 20Ah Rechargeable LiFePO4 Battery inherently safer than NMC or LCO batteries for outdoor and unattended installations.

Longevity That Lowers Total Operating Costs

Cycle life is not just a number on a datasheet. It directly affects how often you need to purchase, transport, and install replacements.

With over 2500 cycles at 100% depth of discharge, this product reduces replacement frequency by a factor of five to seven compared to standard sealed lead-acid batteries. For a solar light cycling once daily, 2500 cycles equals nearly seven years of operation.

No Fire or Explosion Risk

Standard lithium batteries can catch fire when punctured, overcharged, or exposed to high heat. LiFePO₄ cells do not.

The internal chemistry resists combustion. Even if the built-in BMS were to fail (which is extremely rare), the cells themselves will not ignite. This safety advantage is why LiFePO₄ is specified for school lighting, hospital backup systems, and residential solar storage.

Product Parameter

How Does the Order and Delivery Process Work?

Real-Time Communication During Production

Once an order is placed, sales staff maintain real-time communication.

Updates on production progress and logistics status are provided regularly. This visibility allows you to plan installations, coordinate with other suppliers, and avoid project delays.

Multiple Delivery Methods

Different projects have different timelines and budget constraints.

VCELL POWER offers a variety of delivery methods to meet timeliness and cost requirements. Options range from express courier for urgent needs to sea freight for large volume orders at lower cost.

Pre-Shipment Verification

Before any shipment leaves the factory, a final check ensures that quantity, specifications, and packaging match the order.

This verification step prevents shipping errors and ensures that what arrives matches what was ordered.

What Happens After the Battery Arrives?

Installation Guidance and Remote Diagnostics

Installing a new battery type should not require guesswork.

VCELL POWER provides installation guidance for the 12.8V 20Ah Rechargeable LiFePO4 Battery, including wiring diagrams and best practices. For connected systems, remote diagnostics are available to verify that the BMS is functioning correctly.

Maintenance Recommendations

While LiFePO₄ batteries require far less maintenance than lead-acid, periodic checks are still beneficial.

Recommendations include:

l  Visual inspection of terminals and casing

l  Voltage verification after long storage periods

l  Cleaning of connector surfaces if used in dusty environments

Full battery lifecycle support is provided to ensure stable development of your products and projects.

Warranty and Problem Resolution

Depending on the battery type, a 1 to 2 year warranty is provided.

If any quality or usage issues arise, a solution is provided as quickly as possible. Depending on the situation, replacement or repair services are offered. The goal is to minimize downtime and keep your equipment running.

Replacement or Repair When Needed

No manufacturing process is perfect. If a defect occurs within the warranty period, VCELL POWER addresses it directly.

Replacement units are provided for verified quality issues. Repair services are available for damage caused by external factors, such as incorrect charger use or physical impact.

Why Choose VCELL POWER for This Battery?

Two Decades of Battery Manufacturing Experience

After more than 20 years of development, VCELL POWER Group has become one of the leading battery manufacturers in China.

Since establishment, the company has been dedicated to the R&D and production of battery technologies. This long history means production processes like 12.8V 20Ah Rechargeable LiFePO4 Battery are mature, quality systems are proven, and challenges have been solved already.

Guided by a Clear Principle – “Quality First”

Every decision, from equipment purchases to supplier selection, follows the principle of “Quality First.”

Strict quality management systems are implemented across all four factories. Innovation is also prioritized, with ongoing efforts to provide safer, greener, and more cost-effective battery solutions.

A Partner for Win-Win Cooperation

The goal is not just to sell batteries, but to support successful projects.

Whether replacing lead-acid in an existing system or designing new equipment around LiFePO₄ technology, VCELL POWER provides the experience, expertise, and reliability needed.