Description
72V 28.8Ah UPS Lithium Battery – Reliable Power for 4KVA UPS Systems
Ensure uninterrupted power with our 72V 28.8Ah LiFePO4 UPS battery, engineered for 4KVA UPS system backup power output. Designed for long backup runtime, this external lithium battery offers robust performance, extended service life, and advanced communication capabilities — the perfect alternative to bulky, short-lived lead-acid batteries
Key Features – Built for Demanding UPS Applications
Stable & Safe LiFePO4 Cells
Premium-grade A LiFePO4 cells (24S8P) provide high stability, thermal safety, and long cycle life.
Long Backup Runtime – Up to 30 Minutes
Specially optimized for 4KVA UPS systems, offering consistent backup for critical equipment like data centers, server rooms, hospitals, ATMs, and medical devices.
Smart Battery Management System (BMS)
Includes protections against overcharge, over-discharge, over-current, over-temperature, and short circuit. Supports real-time monitoring via RS232 & RS485 interfaces.
Space & Weight Efficiency
Roughly 2/3 the size and 1/3 the weight of comparable lead-acid UPS batteries, with a slim 88mm profile – easy to install in compact UPS cabinets.
Parallel Expansion Ready
Supports parallel connection of up to 8 packs, ideal for scaling your UPS lithium battery backup system with ease.
Applications
- Data Centers & IT Server Rooms
- Financial Institutions (ATM, bank UPS systems)
- Medical Equipment & Hospital UPS
- Security & Surveillance Systems
- Laboratory or Industrial Instrumentation Backup
Specifications:
| ElectricalParameters (25°C) | Rated Voltage | 76.8V |
|---|
| Rated Capacity (C5) | 28.8Ah |
|---|
| Energy | 2211.8Wh |
|---|
| Months Self Discharge | <1% |
|---|
| Charge Efficiency | 99.5%@ 1C |
|---|
| Discharge Efficiency | 96-99%@ 2C |
|---|
| 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 | 86.4V |
| Equalization Turn-on Voltage | 82.8V |
| Charge Current | 14.4A |
| Backup time | 8-15 min |
| Charge Cut off Voltage | 86.4V |
| Max Continuous Discharge Current | 58A |
| BMS Over Temperature Protection | 65±5℃ |
| Over discharge Protection Voltage | 62.4V |
| Over discharge Recovery Voltage | 64.8V |
| Short Circuit Protection | YES |
| Matched UPS | ≤4KVA |
| Cell in Series and Parallel | 24S8P |
| Mechanical | Cells | IFR26650-3600mAh |
| Container | SPCC |
Why Choose a 72V 28.8Ah UPS Lithium Battery for Data Centers?
Modern data centers demand compact, efficient, and future-ready energy solutions — and the 72V 28.8Ah UPS Lithium Battery delivers on all fronts. When integrated into your UPS systems, this Li-ion battery offers significant engineering, operational, and commercial advantages over traditional VRLA solutions:
Smaller Footprint, Bigger Possibilities
The 72V 28.8Ah UPS Lithium Battery offers a much smaller footprint — occupying 50–80% less floor space than lead-acid batteries. This space-saving design is critical in high-cost or restricted environments. Its lightweight structure simplifies UPS installation and gives you more flexibility in rack layout and cooling design.
Superior Performance & Versatility
Unlike VRLA batteries with only ~500 cycles, the 72V 28.8Ah UPS Li-ion battery delivers thousands of charge/discharge cycles, making it highly reliable for mission-critical systems. Its faster recharge times and high-rate output enable it to support not just backup power, but also advanced UPS applications such as:
Peak shaving
Load balancing
Grid-interactive UPS systems
Process control support in industrial environments
Sustainability & Second Life Value
Although lithium-ion recycling is still evolving, the 72V 28.8Ah LiFePO4 UPS battery offers environmental advantages by enjoying a second life as an energy storage component. After its first service life, it can be reused in residential or grid-scale energy storage systems, helping to reduce peak demand and support renewable energy integration.
Lower Total Cost of Ownership (TCO)
Despite higher upfront costs, the 72V 28.8Ah UPS lithium battery is more economical over its lifecycle. Benefits include:
4–5x longer lifespan
Reduced replacement and maintenance costs
Ability to operate at higher ambient temperatures, reducing HVAC energy usage
Decreasing global Li-ion battery prices mean more value per kWh stored
Together, these factors result in significant CapEx and OpEx savings — ideal for data center operators aiming to optimize ROI.
Conclusion
From compact design and enhanced lifecycle to smarter energy usage and sustainability, the 72V 28.8Ah UPS Lithium Battery is built for the next generation of high-efficiency, space-constrained, and performance-critical data center environments. If you’re upgrading your UPS infrastructure, this is the smarter, long-term choice.
Factory-Direct Quality, Unbeatable Value
Our 72V 28.8Ah UPS Lithium Battery is manufactured in-house under strict ISO-certified quality control systems. From cell selection to final testing, every battery pack undergoes full-function testing to ensure safety, reliability, and performance consistency in real-world UPS environments.
With UL1973, IEC62619, UN38.3, UL991, and UL1998 certifications, we meet global standards for both safety and compliance. Thanks to our vertical supply chain, we offer factory-direct pricing without middlemen, making high-quality LiFePO4 battery solutions more affordable than ever.
Ready to Ship – Get Your Quote Now!
Whether you’re an integrator, UPS reseller, or end user looking for reliable 4KVA UPS system backup power, our 72V 28.8Ah UPS Lithium battery is your ideal choice.
- Stable supply
OEM/ODM available
Fast delivery
Global shipping support
Contact us today for the latest price. Your reliable UPS power solution starts here
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