
OAX Ai-LB-E Series · 5.12 kWh LiFePO4
Power, redefined. Stored for when you need it.
Low-voltage lithium iron phosphate battery modules with a smart battery management system and built-in fire suppression – stackable and expandable up to 163.84 kWh.
- On-grid, off-grid & hybrid systems
- Built-in fire suppression
- Wall, floor or rack mounting

5.12 kWh per module
163.84 kWh max. expansion
Model ASW5120-LB-E
Ai-LB-E at a glance
Key specifications
From the ASW5120-LB-E technical datasheet.
5.12 kWh
Nominal energy per module
LiFePO4
Cell type
6000
Life cycles
≥ 95 %
Round-trip efficiency
51.2 V
Nominal voltage
163.84 kWh
Maximum expansion
From sun to socket
Solar → Inverter → OAX battery → Home
Where an OAX Ai-LB-E battery sits in your solar system – charged by the sun, ready when you need it.
Step 1
Solar panels
Turn sunlight into electricity during the day.
Step 2
Hybrid inverter
Powers your home, charges the battery and talks to it over CAN.
Step 3
OAX Ai-LB-E battery
5.12 kWh per module (4.6 kWh usable), stored for later.
Step 4
Your home
Runs on stored solar energy after sunset and during load-shedding.
Why OAX
Performance, safety and easy expansion
Three reasons the Ai-LB-E fits homes and businesses – straight from the technical datasheet.
Optimal performance
- LFP safe technology, long cycle life, high efficiency and high power density
- Supports up to 1C charge / discharge rate with short-term 2C overload capability
- Compatible with on-grid, off-grid and hybrid solar systems
Safe & reliable
- Smarter and safer battery management system for precise diagnostics
- Complete protection to keep the battery healthy and safe
- Built-in fire suppression functionality
User-friendly
- Stackable and expandable up to 163.84 kWh (8 modules per unit, 4 units in parallel)
- Streamlined design for easier handling
- Various mounting methods: wall-mounted, floor-standing and racked
Mounting options
Install it the way your space needs
Every Ai-LB-E module supports three mounting methods.
Wall-mounted
Hang a module on the wall and keep the floor free.
Floor-standing
Stack modules on the floor – up to 8 modules per unit.
Racked
Install modules in a rack for a neat, space-saving system.
- Indoor installation
- IP20
- Natural convection cooling
- 390 / 500 / 155 mm (W / D / H)
- 44.5 kg per module
Technical highlights
The numbers behind every module
Key values from the ASW5120-LB-E technical datasheet. The full datasheet also covers dimensions, environment ratings and the single-system connection diagram.
Battery module ASW5120-LB-E
LiFePO4
| Rated capacity | 100 Ah |
|---|---|
| Usable energy | 4.6 kWh |
| Battery voltage range | 43.2 V – 57.6 V |
| Max. charge / discharge current | 100 A / 100 A |
| Max. charge / discharge power | 5.12 kW |
| Peak discharge power | 10.24 kW @ 3 s |
| Operating temperature (charge) | 2 °C ~ 58 °C |
| Operating temperature (discharge) | -18 °C ~ 58 °C |
| Communication | CAN |
| Certification | IEC62619, IEC61000, UN38.3 |
Ready to add storage to your solar system?
Tell us about your inverter and load – we will recommend the right number of OAX modules.