51.2V Lead-Acid Replacement Battery
ASOL 51.2V 100Ah LiFePO4 Lead-Acid Replacement Battery
A 5.12kWh LiFePO4 battery designed for compatible 48V-class lead-acid replacement and deep-cycle applications. The standard configuration combines 100A continuous discharge, 150A peak output, IP65 enclosure protection and integrated BMS protection. Final compatibility requires project evaluation.
Product Features
Lead-Acid Replacement Design
Designed for compatible projects replacing traditional lead-acid batteries with a lithium solution offering longer cycle life and improved energy efficiency.
48V System Compatibility
Suitable for 48V-class battery systems depending on application, charger, load and installation requirements.
Smart BMS Protection
The built-in BMS manages electrical and temperature protection for the approved configuration.
Optional Communication
Optional CAN / RS485 communication is available depending on project requirements and engineering confirmation.
Technical Specifications — Standard Configuration
| Item | Specification |
|---|---|
| Chemistry | LiFePO4 |
| Nominal Voltage | 51.2V |
| Rated Capacity | 100Ah |
| Nominal Energy | 5120Wh / 5.12kWh |
| Capacity @ 20A | 100Ah |
| Internal Resistance | ≤20mΩ |
| Efficiency | 99% |
| Self Discharge | <3% per month |
| Max. Continuous Discharge Current | 100A |
| Peak Discharge Current | 150A |
| Discharge Cut-off Voltage | 43.2V |
| Recommended Charge Current | 50A |
| Max. Charge Current | 100A |
| Max. Charge Voltage | 58.4V |
| Dimensions (L × W × H) | 520 × 267 × 220 mm |
| Net / Gross Weight | 39 kg / 40.5 kg |
| Terminal Type | M8 Screw |
| Case Material / Protection | ABS / IP65 |
| Cell Type | Prismatic / Square Aluminum Case LiFePO4 Cell |
| Discharge Temperature | -20°C to 60°C |
| Charge Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 40°C |
| BMS High Temperature / Reconnect | 80°C / 50°C |
| Warranty | 3 Years |
| Certifications & Compliance | CE, RoHS, UN38.3 |
| Optional Functions | Heating / Bluetooth / Switch / Display Screen |
| Communication | CAN / RS485 available upon project requirements |
Custom Configuration
The specifications shown above describe the standard 51.2V 100Ah configuration. ASOL can evaluate customized BMS, continuous discharge current, peak discharge current, charging current, communication, terminals, wiring, dimensions, heating, Bluetooth, display, switch and other project-specific configurations according to the application and system requirements.
Communication interfaces such as CAN and RS485 can be supported according to project requirements and system integration needs. Final communication configuration is subject to engineering confirmation.
All non-standard electrical configurations are subject to engineering evaluation and final confirmation before production.
Need a project-specific configuration?
Share the system voltage, charger profile, load, installation space, terminal requirements, optional functions, quantity and destination.
REQUEST PRICINGSuitable Applications
Final compatibility must be confirmed against system voltage, charger profile, continuous and peak load, installation dimensions, terminals, wiring and operating conditions.
Lead-Acid Replacement Applications
Suitable for projects replacing traditional lead-acid batteries with compatible lithium solutions.
Deep-Cycle Applications
Suitable for applications requiring frequent charge and discharge cycles and reliable long-duration operation.
Backup & Power Applications
Can be evaluated for compatible 48V-class backup and project-based power applications already supported by the system design.
Project Considerations
For lead-acid replacement or OEM projects, customers may provide:
Existing Battery
Provide the existing battery voltage and capacity.
System Requirements
Confirm continuous and peak load and the intended operating profile.
Installation Dimensions
Provide available space, mounting and terminal constraints.
Communication Interface
Identify any required CAN or RS485 integration.
Charger / Inverter
Provide charger settings, inverter power and compatibility information.
Customization Options
Available depending on project requirements and engineering evaluation:
BMS Configuration
Protection and monitoring requirements can be evaluated for the intended application.
Optional CAN / RS485
Communication is optional depending on project requirements and engineering confirmation.
Dimensions
Alternative dimensions require engineering evaluation.
Terminal Configuration
Terminal type and orientation can be reviewed for integration requirements.
Heating Options
Heating can be evaluated as an optional project configuration where required.
Lead-Acid Replacement Evaluation
This battery can be evaluated for compatible 48V-class lead-acid, AGM or GEL replacement projects. Confirm charger voltage and profile, continuous and peak current, installation dimensions, M8 terminals, wiring and environmental requirements before replacement.





