76.8V 9Ah LiFePO4 UPS Battery
(2U Rack Module / 4kVA Backup)
The product listing identifies a 76.8V nominal, 9Ah, 691.2Wh LiFePO4 battery for UPS systems up to 4kVA. Confirm the UPS DC bus, charging profile, discharge-current requirement, BMS communication and protection, and available 2U mounting clearances before selecting a pack.
High-Voltage Rack Module (Short Backup)
This battery is listed for high-voltage UPS applications in the 4kVA class. Verify the actual DC bus, charging profile, BMS interface, connectors and mounting data against the specific UPS before selection.
- Compatibility check: the page lists a 2U enclosure. Verify the UPS DC bus, charging profile, BMS interface, connectors and mounting dimensions before treating it as a replacement option.
- Discharge specification: the table lists up to 7C and 63A continuous discharge. Confirm these limits for the quoted version and intended load.
- Integrated BMS: the page lists overcharge, over-discharge, over-temperature, over-current and short-circuit protection; verify thresholds and communication details for the selected configuration.
- Installation envelope: the page lists dimensions of 462 × 207 × 65.2 mm and an IP21 enclosure. Confirm mounting, airflow and service clearances in the target UPS cabinet.
Designed for professional mission-critical environments:
- Data Centers & Server Rooms
- Edge Computing Infrastructure
- Medical Equipment Backup
- Banking & Financial IT Systems
- Standard 2U/3U Rack-Mount UPS Replacement
Mechanical Dimensions (L×W×H): 462 × 207 × 65.2 mm
| Electrical Specifications | |
|---|---|
| Rated Voltage | 76.8V |
| Rated Capacity | 9Ah |
| Power | 691.2Wh |
| Internal Resistance | ≤ 150 mΩ |
| Self-discharge | < 1% per month |
| Series-parallel Connection | Multiple parallel connections |
| Compatible with UPS | ≤ 4KVA |
| Discharge Specifications | |
|---|---|
| Backup time reference | 8–15 minutes; depends on load and system conditions |
| Maximum Continuous Discharge Current | 63A |
| Over-discharge Protection Voltage | 62.4V |
| Over-discharge Recovery Voltage | 64.8V |
| Short Circuit Protection | Yes |
| Communication & Compliance | |
|---|---|
| Communication | RS232/RS485 |
| Certification | UL1973/UN38.3 |
| Mechanical Specifications | |
|---|---|
| Enclosure Type | 2U Rack-Mount Design |
| Dimensions (L×W×H) | 462 × 207 × 65.2 mm |
| Enclosure Material | SPCC |
| IP Rating | IP21 |
| Temperature Specifications | |
|---|---|
| Discharge Temperature | -20 to 60°C |
| Charging Temperature | 0 to 45°C |
| Storage Temperature | -5 to 45°C |
| BMS Over-Temperature Protection | 65 ± 5°C |
| BMS Over-Temperature Protection Recovery | 55 ± 5°C |
UPS battery selection & project planning
76.8V 9Ah LiFePO4 UPS battery in a 2U rack format
The listing identifies a 76.8V, 9Ah (691.2Wh) pack for UPS systems up to 4kVA, with 63A maximum continuous discharge and an 8–15 minute runtime reference. Its 2U housing is the key mechanical distinction; a 76.8V bus is not interchangeable with a 48V battery bus.
UPS compatibility and replacement checks
How to interpret this configuration
Compare the system’s actual 76.8V battery bus, charging window and current demand with the listed configuration. The page specifies a 2U enclosure measuring 462 × 207 × 65.2 mm, RS232/RS485 and IP21; verify the rack, connector access, airflow and retention details rather than assuming any 2U shelf will fit.
Typical system context: This SKU is differentiated by the 76.8V bus and 2U rack enclosure. It is most relevant to UPS platforms designed for that bus and rack envelope, including compatible server/network and enterprise IT installations. It should not be substituted for a 48V model by matching only the 4kVA output class.
Interface and installation details to confirm
- Nominal voltage: 76.8V; listed maximum continuous discharge: 63A; runtime reference: 8–15 minutes.
- The page lists a 2U enclosure at 462 × 207 × 65.2 mm and SPCC/IP21 construction.
- RS232/RS485 are listed; verify protocol, pinout and UPS monitoring support. The permitted parallel configuration must be confirmed for the selected system.
LiFePO4 retrofit checklist
- Verify that the UPS is designed for a 76.8V battery bus and the listed charge/cutoff range.
- Check sustained current against 63A and document any transient current requirement.
- Measure usable 2U height, width, depth, rails, cable bend and connector access against 462 × 207 × 65.2 mm.
- Confirm RS232/RS485 protocol, BMS response and permitted external parallel topology.
Runtime planning and OEM/ODM project intake
Plan from the actual UPS load
The 8–15 minute range is a reference in the listing, not a value verified for a specific load. Runtime varies with the UPS’s actual load, efficiency, cutoff, state of charge, temperature, age and pack configuration. Send the UPS model, measured load, required runtime and battery cutoff to assess the system.
What to include in a quotation request
Send UPS model and 76.8V bus details, charge/cutoff profile, measured load and runtime target, 2U rack drawings, connector and protocol requirements, quantity and target market.
OEM/ODM discussions can cover the 76.8V pack configuration, BMS communication, connector/harness, mounting and enclosure/label needs. Share the specific UPS and rack drawings, current profile and quantity; a 2U label alone does not establish physical or electrical fit.
Discuss this UPS configurationCompare related UPS configurations: Compare the 48V 12Ah 4kVA-class option · Compare the 192V 6Ah 3U 8kVA option · View the UPS battery range
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