12.8V 12V 100Ah Deep Cycle LiFePO4 Battery

Looking for a reliable 12.8V 12V 100Ah Deep Cycle LiFePO4 Battery? Vcell Power, as an experienced China supplier and factory, integrates cell matching, BMS calibration, and aging tests into every production batch. The product replaces lead-acid batteries effectively—no maintenance, no ventilation needed. Applications include solar street lights, home energy storage, children's electric vehicles, and portable power supplies. Global shipping via UPS/FedEx (5-7 days) or sea freight available.

Why This Chemistry Outperforms Traditional Sealed Lead-Acid

When evaluating energy storage for solar systems, off-grid applications, or portable power, two critical factors determine long-term value: cycle life and total cost of ownership. The 12.8V 12V 100Ah Deep Cycle LiFePO4 Battery is built on lithium iron phosphate chemistry—a composition that delivers superior thermal stability and mechanical robustness.

Unlike conventional lead-acid units that degrade rapidly under deep discharge, this solution maintains consistent voltage output across many cycles. The absence of heavy metals and corrosive acids also simplifies handling, transport, and end-of-life disposal.

Product Parameter

Key Engineering Advantages at a Glance

Extended Cycle Life – The product lasts longer than lead-acid alternatives, resulting in fewer battery replacements and lower labor costs.

Reliable Performance – Delivers stable power throughout discharge, unlike lead-acid which drops steadily.

Low Maintenance – No water refilling, no equalization charges, no terminal corrosion cleaning.

Higher Power Density – More usable energy in a compact form factor compared to lead-acid.

Real-world testing confirms that this chemistry maintains reliable capacity over repeated deep discharge cycles—directly validating its long-life specification.

Manufacturing Traceability & Process Controls

Every unit of the 12.8V 12V 100Ah Deep Cycle LiFePO4 Battery is produced using automated equipment that eliminates human variability. The production line includes vacuum mixers, coating machines, calendering stations, slitting and winding machines, laminators, electrolyte filling systems, sorting robots, spot welders, and aging test cabinets.

Quality Gates Across Production Stages

Each battery carries a unique serial number, allowing full traceability back to individual cell batches and assembly dates. This is part of a strict quality management system guided by the "Quality First" principle.

Physical & Electrical Characteristics

Nominal Parameters

Voltage: 12.8V DC

Capacity: 100Ah

Chemistry: LiFePO4 (lithium iron phosphate) – the most stable lithium chemistry, not easy to catch fire or explode

Protection & Safety

Built-in Battery Management System (BMS) with protection against overcharge, over-discharge, short circuit, and temperature extremes

Safe-to-use construction with excellent thermal and chemical stability

Construction

Based on high-performance 100Ah cells

Designed to replace lead-acid batteries in most applications

Compliance

No pollution (lead-free, acid-free)

Safe for transport and routine handling

All values are from standard product specifications. Individual units may vary within normal manufacturing tolerances.

Application Suitability & Field Performance

The 12.8V 12V 100Ah Deep Cycle LiFePO4 Battery is designed to replace lead-acid batteries in cyclic use scenarios. Below are specific use cases with expected performance characteristics.

1. Solar Street Lighting (Off-Grid)

• Daily cycle: Charge during daylight, discharge at night
• Result: Maintains nightly runtime over many cycles. Lead-acid systems in the same conditions typically require earlier replacement.
• Recommended pairing: Use with appropriate charge controller (MPPT or PWM)

2. Home Solar Energy Storage (Small-Scale)

• Scenario: Backup power for lights, communication devices, phone charging
• Result: No ventilation needed—can be installed in enclosed spaces. Full recharge within expected daily solar hours.
• Parallel capability: Multiple units can be connected for increased capacity and voltage

3. Children’s Electric Vehicles (Ride-On Cars)

• Original battery type: Smaller lead-acid batteries
• Upgrade result: Longer runtime per charge. The LiFePO4 unit weighs significantly less, improving vehicle handling and reducing strain on motors.
• Charger compatibility: Works with many existing chargers, though a dedicated LiFePO4 charger is recommended for optimal cycle life

4. Outdoor Power Supplies (Portable Fridges, CPAP, LED Lighting)

Typical load: Moderate continuous draw

Result: Extended runtime supporting overnight or multi-day use

Recharge options: Solar, vehicle 12V port, or AC charger

All application examples are based on real-world usage patterns observed across multiple installation environments.

Warranty, Support, and Replacement Commitment

Standard Warranty Coverage

Term: 1–2 years depending on product type

Covered defects: Capacity degradation below usable threshold, BMS failure, internal cell imbalance, physical leakage within warranty period

Remedy: Replacement unit provided after remote diagnosis

Technical Support Lifecycle

Installation guidance – Wiring diagrams, terminal torque specifications, and recommended charger settings.

Remote diagnostics – Voltage and temperature data can be analyzed using common tools (multimeter readings).

Ongoing maintenance – Recommendations for maximizing service life and safe handling.

Handling of Issues

If any battery quality or usage issues arise, a solution is provided as quickly as possible, including replacement or repair services when necessary.

Why VCELL POWER Stands Behind This Product

VCELL POWER has operated its own cell manufacturing and pack assembly lines for over two decades.The 12.8V 12V 100Ah Deep Cycle LiFePO4 Battery is not a rebranded generic item—it is designed, assembled, and tested entirely in VCELL POWER’s own ISO-compliant facilities located in Guangdong, Henan, Jiangxi, and Shandong.

Every component—from the 100Ah LiFePO4 cells to the internal busbars—is sourced through verified supply chains. The BMS firmware is tuned to match the specific discharge characteristics of the cells used. Regular technical training is provided to employees to maintain high skill levels and quickly meet diverse order needs.