Description
48V 9Ah LiFePO4 Lithium UPS Battery 7C High-Rate Discharge Lead-Acid Replacement for 3KVA UPS
The 48V 9Ah UPS Lithium Battery is a high-performance, rack-mountable energy solution designed for 3KVA UPS systems. Engineered with premium LiFePO4 cells, this 48V 9Ah UPS Lithium battery supports 7C high-rate discharge, making it ideal for critical infrastructure where fast response and reliable backup power are essential.
Built for 2U rack-mounted UPS equipment, it is a powerful and compact replacement for traditional lead-acid batteries. Whether you’re running a data center or safeguarding sensitive equipment, this battery delivers fast-switching, long-life power backup you can count on.
Key Features & Advantages
High-Rate Discharge for High-Power UPS
7C discharge rate enables up to 63A continuous output, easily handling surge loads like servers, medical equipment, and communication devices.
A-Class LiFePO4 Cells
Built with All new brandA grade lithium iron phosphate cells for outstanding thermal and chemical stability. Backed by a 10-year warranty, proving our commitment to only using A-grade LiFePO4 cells—lower quality cells would never last this long.
Smart BMS for Total Safety
Advanced BMS protects against overcharge, over-discharge, short-circuit, high temperature, and more.
Compact & Lightweight
Size is about 2/3 that of comparable lead-acid batteries. Weight is about 1/3, making installation easier and saving rack/cabinet space.
Long Cycle Life
Up to 4–5 times longer lifespan than lead-acid, offering over 10 years calendar life with minimal maintenance
Intelligent Communication
Equipped with RS232 and RS485 for system integration, remote control, and monitoring.
Specifications:
| ElectricalParameters (25°C) | Rated Voltage | 51.2V |
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| Rated Capacity (C5) | 9Ah |
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| Energy | 460.8Wh |
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| Months Self Discharge | <1% |
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| Charge Efficiency | 99.5%@ 1C |
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| Discharge Efficiency | 96-99%@ 7C |
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| Terminal type | Anderson SB50 |
| Internal resistance (Fully charged, 25°C) | 150mΩ |
| Cycle life | >3000 cycles @ 1C 100%D.O.D |
| Capacity affected by temperature | 40°C | 100% |
| 25°C | 100% |
| 0°C | 90% |
| -10°C | 75% |
| Nominal operating temperature | 25°C± 3°C (77°F± 5°F) |
| Operating temperature range | Discharge | – 20°C~ 60°C (-4°F ~ 140°F) |
| Charge | 0°C~ 45°C (32°F ~ 113°F) |
| Storage | 0°C~ 40°C (32°F ~ 104°F) |
| Water Dust Resistance | IP21 |
| Charge Voltage | 54V |
| Equalization Turn-on Voltage | 51.8V |
| Charge Current | 9A |
| Backup time | 8-15 min |
| Charge Cut off Voltage | 54V |
| Max Continuous Discharge Current | 63A |
| BMS Over Temperature Protection | 65±5℃ |
| Over discharge Protection Voltage | 39V |
| Over discharge Recovery Voltage | 40.5V |
| Short Circuit Protection | YES |
| Matched UPS | ≤3KVA |
| Cell in Series and Parallel | 15S3P |
| Mechanical | Cells | IFR26650-3000mAh |
| Container | SPCC |
Three Core Advantages of the 48V 9Ah UPS Lithium Battery
1. Ultra-Lightweight Design
With a compact size of just 311×207×66mm, this 48V 9Ah UPS lithium battery occupies only two-thirds the volume of traditional lead-acid batteries. Weighing only 7.1kg—about one-third of a comparable lead-acid unit—it’s easy to install in racks or tight spaces. Built with a durable SPCC metal enclosure and IP21 protection rating, it’s ready for efficient and secure deployment.
2. 7C High-Rate Discharge – Reliable Backup for Critical Loads
Delivers up to 63A peak discharge current, ensuring seamless operation during power outages for up to 3KVA UPS systems.
Provides 8–15 minutes of runtime, ideal for emergency backup.
Equipped with an intelligent BMS offering five-layer protection: overcharge, over-discharge, over-temperature, over-current, and short-circuit.
3. 10-Year Service Life – The Ultimate Replacement for Lead-Acid
Offers over 3,000 charge/discharge cycles—4 to 5 times that of lead-acid alternatives.
With a calendar life of over 10 years, this 48V 9Ah UPS lithium battery reduces total cost of ownership by up to 60%.
Less than 1% monthly self-discharge, ensuring long-term shelf stability.
Typical UPS Application Scenarios
This 48V 9Ah UPS Lithium Battery is an excellent power source for:
- Data Centers & Server Rooms – instant switch-over, stable power under surge load.
- Bank Branches & Financial Systems – no delay in trading systems, no risk of data loss.
- ICU & Medical Equipment – critical backup during power loss, stable in cold environments.
- Precision Instruments & Labs – quiet, stable, and compact for sensitive operations.
- Security & Surveillance Systems – extended backup to prevent downtime during blackouts.
- 5G Communication Base Stations – high power density and temperature endurance.
The 48V 9Ah UPS Lithium Battery Performance Test
The Benefits of Replace Lead-Acid with LiFePO4 48V 9Ah UPS Lithium battery
| Item | Parameter | Advantages Over Lead-Acid |
|---|
| Nominal Voltage | 48V | Compatible with standard UPS systems |
| Nominal Capacity | 9Ah (432Wh energy) | 200% higher energy density in the same volume |
| Discharge Capability | 7C high-rate discharge (63A peak) | Lead-acid supports only 0.5~1C |
| Weight | 7.1kg | Lead-acid battery ≈ 20kg |
| Dimensions | 311×207×66mm (2U standard) | 33% smaller volume |
| Cycle Life | >3000 cycles | Lead-acid battery ≈ 500 cycles |
Looking for a reliable UPS battery that combines high performance with space-saving design?
The 48V 9Ah UPS Lithium Battery is built with advanced LiFePO4 cells, delivering 7C high-rate discharge and intelligent BMS protection in a compact 2U form factor. It’s purpose-built for demanding environments like data centers, hospitals, and IT systems—where every inch of rack space and every second of uptime matters.
Forget the bulk and short lifespan of traditional lead-acid batteries. This isn’t an inflated spec sheet—it’s a proven, field-ready power solution. The 48V 9Ah LiFePO4 UPS battery offers superior safety, significantly longer cycle life, and dependable high-current performance when it counts.
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