High-Capacity LiFePO4 Battery
ASOL 12.8V 400Ah LiFePO4 Deep Cycle Battery
High-capacity LiFePO4 battery designed for RV, camper van, marine and deep-cycle applications requiring extended energy storage and long-duration operation. The standard configuration provides 5.12kWh nominal energy, 200A continuous discharge and 250A peak output.
Product Features
Large Energy Capacity
The 12.8V 400Ah configuration provides 5.12kWh nominal energy for longer operating time and increased energy availability.
Long-Duration Deep-Cycle Performance
Designed for frequent charge and discharge cycles and long-term usage scenarios under specified operating conditions.
Smart BMS Protection
Built-in BMS protection covers over-charge, over-discharge, over-current, temperature and short-circuit conditions. Monitoring upgrades can be reviewed for supported configurations.
Parallel Capability
Supports larger energy configurations through parallel connection when required and confirmed for the selected system architecture.
Technical Specifications — Standard Configuration
| Item | Specification |
|---|---|
| Nominal Voltage | 12.8V |
| Nominal Capacity / Energy | 400Ah / 5120Wh (5.12kWh) |
| Internal Resistance | ≤50mΩ |
| Efficiency / Self Discharge | 99% / <3% per month |
| Max. Continuous / Peak Discharge | 200A / 250A |
| Discharge Cut-off Voltage | 10.8V |
| Recommended / Max. Charge Current | 200A / 200A |
| Max. Charge Voltage | 14.6V |
| Dimensions | 520 × 267 × 220 mm (standard configuration) |
| Net / Gross Weight | 39 / 40.5 kg |
| Terminal | M8 Screw |
| Enclosure / Protection | Sheet-metal enclosure / IP65 |
| Cell Type | Square Aluminum Case |
| Discharge / Charge / Storage Temperature | -20°C to 60°C / 0°C to 55°C / -20°C to 40°C |
| BMS High Temperature / Reconnect | 80°C / 50°C |
| Cycle Life / Warranty | 4000+ cycles / 3 Years |
| Certificates / Documents | UN38.3 / MSDS |
Project Configuration Options
The specifications above describe the standard 12.8V 400Ah base configuration shown on this page. Higher-current project configurations can be evaluated without changing the standard values listed above.
Need a different footprint? Custom enclosure dimensions and terminal layout can be evaluated based on available installation space and project requirements.
Available project options may include:
- Higher-current BMS options, including 300A project configurations
- Higher continuous and peak discharge capability subject to validation
- APP monitoring depending on the selected BMS
- Low-temperature charging protection or a separate self-heating option
- Enclosure dimensions, terminals and mechanical layout
- Charging current, wiring and connector requirements
Final capability depends on the cells, BMS, busbar, terminals, wiring, enclosure and thermal design.
Need a different configuration?
Share your required voltage, capacity, installation space, continuous discharge current and application. We can evaluate a project-specific battery configuration.
REQUEST PRICINGHigher-Current Configuration Available
Higher-current configurations are available for project requirements. BMS current, APP monitoring and related battery settings can be upgraded according to the customer’s inverter, continuous and peak load, system architecture and application requirements.
Final BMS current, discharge capability, monitoring functions and other specifications are confirmed according to the selected project configuration before order.
Suitable Applications
Designed for high-energy-demand applications where extended operating time and deep-cycle performance are important.
RV & Camper Van Applications
Suitable for systems requiring higher onboard energy capacity, longer off-grid operation and extended usage time.
Marine Applications
Suitable for reliable onboard power and long-duration deep-cycle operation, subject to system and installation compatibility.
Deep-Cycle Applications
Suitable for frequent cycling and applications with higher energy demand and long-duration power requirements.
Project Considerations
For battery integration, replacement or OEM projects, customers may provide:
Existing Battery Specifications
Share the current battery voltage, capacity and system details.
Installation Space
Provide available dimensions and mounting constraints.
Required Energy Capacity
Confirm the required operating time and energy demand.
Charger Information
Provide charger voltage, current and charging profile.
Inverter Information
Confirm inverter power and relevant surge requirements.
Terminal Configuration
Provide terminal type, cable orientation and connection requirements.
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
Communication options are available depending on project requirements and engineering confirmation.
Terminal Configuration
Terminal type and orientation can be reviewed for integration requirements.
Dimensions
Alternative dimensions require engineering evaluation against the cell arrangement and enclosure structure.
Heating Options
Heating can be evaluated as an optional project configuration where required.
Lead-Acid Replacement
The 12.8V 400Ah LiFePO4 battery can be evaluated as a replacement for compatible 12V lead-acid, AGM or GEL battery systems.
Electrical Compatibility
Confirm system voltage, charger voltage and charging profile, inverter power, and continuous and peak load.
Installation
Confirm installation dimensions, terminal and cable requirements.
Connection Plan
Confirm series and parallel requirements.
Operating Conditions
Confirm required operating temperature conditions.
OEM / ODM Configuration Support
The standard 12.8V 400Ah configuration can be adapted for project requirements. Available project-specific options may include higher-current BMS, APP monitoring, heating, switch, display, label or branding, packaging, terminal or cable requirements, selected enclosure requirements and other project-specific configuration requirements. All options can be reviewed and are subject to final confirmation before order.
