LiFePO4 online UPS

SW Rainbow series LiFePO4 Online UPS systems, ranging from 1-10KVA. These are double-conversion online UPS units designed for single-phase input/output or three-phase input/single-phase output configurations. They feature built-in lithium-iron phosphate (LiFePO4) batteries for long backup times, compact size, easy installation, and high reliability. The systems are suitable for applications requiring stable power, such as data centers, medical equipment, and industrial automation.

Best suited for

Performance Features

● Zero Transfer Time : Seamless switching between mains and battery modes with input power factor >0.99 and ultra-wide input voltage (90-300VAC) and frequency (40-70Hz) ranges.
● Double Conversion Online Topology : Ensures pure sine wave output and fixed-frequency support for reliable load power.
● DSP Digital Control : Provides stable, green energy supply.
● Full Color Touch Interface : Displays input/output voltage, current, frequency, load percentage, working mode, UPS status, and battery status.
● Excellent Load Adaptability : Adaptive to 50/60Hz systems and output voltages of 200/208/220/230/240VAC.
● Intelligent LiFePO4 BMS : Efficient battery management to prevent over-charge/discharge, monitor cell temperatures, and use low-power components for reduced loss.
● Ultra Long-Delay All-in-One Design : Integrates components for space-saving, plug-and-play installation; ideal for long runtime needs without external battery packs.
● Built-in High-Capacity LiFePO4 Batteries : Safe, stable cells with >2000 cycle life, 7-8 year theoretical lifespan, 2C fast charge/discharge, and operating range of -20°C to +75°C.
● Other : Supports external battery expansion, standard RS232 communication (optional network/dry node/MODBUS cards for remote monitoring via PC/mobile), low noise (<50dB at 1m), operating temperature -10°C to +45°C, and humidity 0-98% (non-condensing).

performance advantages

The Rainbow Series LiFePO4 (Lithium Iron Phosphate) Online UPS provides superior performance compared to traditional lead-acid UPS systems, particularly in reliability, efficiency, longevity, and ease of use. These advantages stem from its double-conversion online topology combined with advanced LiFePO4 battery technology. Below is a summarized breakdown :

1. Extended Battery Life and Cycle Durability

LiFePO4 batteries offer over 2000 charge-discharge cycles and a theoretical lifespan of 7-8 years, far surpassing lead-acid batteries (typically 300-500 cycles and 3-5 years).
This results in lower long-term replacement costs and reduced downtime.

2. Higher Energy Density and Compact Design

Approximately 4x higher energy density (~130 Wh/kg) than lead-acid, allowing for smaller, lighter units with built-in high-capacity batteries (e.g., up to 16128Wh in 10KVA models).
All-in-one design integrates batteries internally, eliminating the need for cumbersome external packs common in traditional systems, saving space and simplifying installation.

3. Faster Charging and Discharge Capabilities

Supports high-current 2C rapid charging/discharging, with standard charger currents up to 8A (expandable to 25A), enabling full charges in about 2 hours versus up to 24 hours for lead-acid.
Provides longer backup times (e.g., 60-360 minutes depending on model and capacity) and better support for larger loads or extended runtimes.

4. Superior Efficiency and Power Quality

High efficiency: 90-91% in line mode and 92-93% in battery mode, with an input power factor >0.99 for reduced energy waste.
Pure sine wave output with low harmonic distortion (THD <2% for linear loads, <7% for non-linear), ensuring clean, reliable power for sensitive equipment.
Double-conversion online design with zero transfer time (0ms) between modes, preventing interruptions—unlike offline or line-interactive UPS that may have delays.

5. Enhanced Safety and Environmental Resilience

Stable chemistry prevents structural collapse, heating, or thermal runaway even under high temperatures or overcharging, with no acid spills or maintenance like water top-ups (reducing labor by up to 90%).
Wide operating temperature range: Batteries perform from -20°C to +75°C, while the UPS operates from -10°C to +45°C—better tolerance for extreme environments than lead-acid.

6. Robust Load Handling and Adaptability

Ultra-wide input voltage (90-300VAC) and frequency (40-70Hz) ranges handle unstable power grids effectively.
Strong overload capability: Sustains 105-125% load for 1 minute, 126-150% for 10 seconds, and >150% for 0.5 seconds.
Adaptive output (200-240VAC, 50/60Hz) suits various global systems.

7. Lower Maintenance and Operational Costs

Intelligent BMS (Battery Management System) optimizes charging/discharging, monitors cell temperatures, and minimizes power loss with low-power components.
Low noise (<50dB at 1 meter) and minimal maintenance needs contribute to cost savings over time.

Please refer to the downloaded document.

The warranty period and related after-sales service for SW LiFeO4 Online UPS are as follows:

Warranty Period : A three-year warranty is provided, covering the UPS power supply unit and batteries.

Extended Warranty Service : After the warranty period, customers can still enjoy comprehensive after-sales support, including maintenance and repair.

Nationwide Warranty : A nationwide warranty policy is implemented, allowing users to apply for service at the nearest service center in any region.

Additional Services : Inspection services are provided as needed, including equipment maintenance, repair, and problem solving.

I. The warranty policy for SW LiFeO4 Online UPS mainly includes the following terms :

1. Warranty Period :

The warranty period is three years from the date of purchase, covering normal use issues of the UPS unit and batteries.

2. Scope of Free Service :

Equipment failures caused by hardware malfunctions (such as circuit board damage) or manufacturing defects (such as assembly errors).

3. Exclusions :

Failures caused by human error (such as drops or liquid intrusion), unauthorized repairs, accidents (such as natural disasters), or the use of non-original parts are not covered by the warranty.

4. Warranty Process :

After disconnecting the power and unplugging the power cord, contact customer service with the model number, serial number, and a description of the malfunction.

Customer service will guide you through choosing between repair, replacement, or refund services. The specific processing time depends on the malfunction.

If repair is ineffective or the device needs replacement, a refund will be issued (the amount will be based on the purchase price).

5. Other Key Terms :

Technical Support Service: Nationwide warranty and comprehensive technical support are provided during the warranty period. Users can apply for service at the nearest service center in any region.

6. Post-Warranty Plan :

Free repair or replacement will no longer be provided, but paid maintenance services (such as inspections, battery replacements, and hardware/software upgrades) are supported.

It is recommended to perform annual maintenance (such as cleaning and dust removal, electrical connection checks, and battery performance testing) to prevent potential problems and extend the device’s lifespan.