48V 12Ah LiFePO4 UPS Battery
(4kVA Backup Module)
Engineered for high-rate external UPS equipment up to 4kVA. This module provides stable backup power with an ultra-high 7C discharge rate and supports simple expansion of up to 8 packs in parallel.
UN38.3
UL1973
Parallel ExpansionSupports up to 8 battery packs in parallel
7C High-Rate DischargeUp to 84A max continuous discharge
Compact Design1/3 the weight & 2/3 the volume of SLA
Smart BMS MonitoringRS232/RS485 communication interfaces
Product Description
Application Scenarios
Product Technology
Full Specifications
External Battery (Short Backup)
The CLF Standard Voltage Series UPS Battery Pack is customized specifically for high-rate UPS equipment, perfectly suited for 1U external UPS series available on the market.
- Unmatched Expansion: Supports simple expansion with up to 8 battery packs connected in parallel.
- Ultra-High-Rate Discharge: Capable of up to 7C maximum discharge rate to handle sudden heavy loads.
- Advanced BMS Protection: Comprehensive protection against overcharge, over-discharge, over-temperature, over-current, and short circuits.
- Longevity: Features an ultra-long float charge design, lasting 4-5 times longer than lead-acid batteries with a calendar life exceeding 10 years.
Designed for reliable UPS backup applications, this battery is widely used in data centers, enterprise IT rooms, banking facilities, medical equipment, security systems, precision instruments, and commercial office environments.
Mechanical Dimensions (L×W×H): 415 × 438 × 88.5 mm
| Electrical Specifications | |
|---|---|
| Rated Voltage | 48V |
| Rated Capacity | 12Ah |
| Power | 576Wh |
| Internal Resistance | ≤ 150 mΩ |
| Self-discharge | < 1% per month |
| Series and Parallel | 8 in parallel |
| Adaptable for UPS | ≤ 4KVA |
| Discharge Specifications | |
|---|---|
| Backup Time | 8~15 minutes |
| Max Continuous Discharge Current | 84A |
| Over-discharge Protection Voltage | 39V |
| Overdischarge Recovery Voltage | 40.5V |
| Short Circuit Protection | Yes |
| Communication & Compliance | |
|---|---|
| Communication Methods | RS232/RS485 |
| Certification | UN 38.3/UL1973 |
| Mechanical Specifications | |
|---|---|
| Cell Specification | IFR26650-3000mAh |
| Battery Series | 15S4P |
| Dimensions (L×W×H) | 418 × 438 × 43 mm |
| Weight | 12 Kg |
| Output Terminal | Anderson SB50 |
| Shell Material | SPCC |
| IP Rating | IP21 |
| Charging Specifications | |
|---|---|
| Charging Current | 9A |
| Charging Voltage | 54V |
| Overcharge Protection Voltage | 54V |
| Overcharge Recovery Voltage | 51.75V |
| Balancing Activation Voltage | 51.75V |
| Temperature Specifications | |
|---|---|
| Discharge Temperature | -20 to 60°C |
| Charge Temperature | 0 to 45°C |
| Storage Temperature | -5 to 45°C |
| BMS Over-Temperature Protection | 65 ± 5°C |
| BMS Over-Temp Protection Recovery | 55 ± 5°C |
Technical Insights & Support
What types of applications is this 48V UPS battery designed for?
It is designed for environments where power continuity is critical but backup duration is relatively short. Typical applications include data centers, enterprise server rooms, financial facilities, medical equipment, security systems, and office infrastructures.
Why is this battery suitable for critical equipment protection?
It focuses on output stability and safety during power transfers, protecting sensitive equipment from unexpected shutdowns. With its 7C discharge capability, it supports smooth system operation during sudden short power interruptions.
Can I expand the battery capacity if my power needs increase?
Yes. A major advantage of this 48V module is its simple expansion capability. It supports up to 8 battery packs connected in parallel, allowing you to easily scale up your backup time.
Are there any specific considerations when using this battery in a UPS system?
This battery is intended for short backup applications, not long-duration energy storage. Users should ensure that their UPS charging parameters are compatible with LiFePO4 chemistry to maximize performance and safety.
Does this battery require frequent maintenance?
No. With its integrated Smart BMS, the battery supports autonomous, stable operation and drastically reduces routine maintenance requirements compared to traditional lead-acid batteries, making it ideal for professional commercial environments.
How much space and weight will it save compared to lead-acid batteries?
Thanks to high-density LiFePO4 cells, this module weighs only 12kg—about 1/3 the weight of equivalent lead-acid arrays. It also takes up roughly 2/3 of the physical volume, freeing up valuable server rack space.
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