The E100 51.2V 5.12kWh battery is designed to deliver reliable, long-term energy storage for residential and small-business inverter systems. Featuring a smart 16-cell design, it provides the ideal voltage range for most home and small-business inverters.
Built with LiFePO₄ (Lithium Iron Phosphate) technology, the E100 offers one of the safest and most reliable battery chemistries available for energy storage. Its universal compatibility allows seamless integration with a wide range of inverter brands through CAN Bus or RS485 communication protocols.
The battery includes a trusted PACE Battery Management System (BMS) that ensures operational safety, system stability, and optimal performance. A built-in LCD display allows users to easily monitor battery performance and system settings.
Engineered to be African-tough, the E100 is designed to withstand high temperatures, humidity, and altitude, making it well suited to demanding environmental conditions.
Key Features
- Slim rack-mount design (3U profile) for easy installation in standard racks.
- 1C continuous charge and discharge capability, with peak performance up to 1.5C.
- No Depth of Discharge (DoD) enforcement, allowing 100% battery usage within warranty limits.
- High-quality cells that meet GB/T 36276 testing standards.
- Over 18 MWh of warranted throughput across a 10-year lifespan.
- Compatible with SolarAssistant, AXPI, and ESP-BMS monitoring platforms.
- Backward compatible with existing R100 and B100 systems for easy expansion.
Technical Specifications
| Category | Specification | Details |
|---|---|---|
| General | Model | E100 |
| Battery Type | LiFePO₄ (Lithium Iron Phosphate) | |
| Battery Capacity | 100 Ah | |
| Energy Capacity | 5.12 kWh | |
| Voltage | Nominal Voltage | 51.2 V |
| Float Charge Voltage | 54.5 V | |
| Absorption Charge Voltage | 55.5 V | |
| Cut-off Voltage | 48.0 V | |
| Current | Max Continuous Charge Current | 100 A |
| Max Continuous Discharge Current | 100 A | |
| Peak Current (1 sec) | 110 A charge / 150 A discharge | |
| Dimensions & Weight | Dimensions (D × W × H) | 480 mm × 482 mm × 133 mm |
| Rack Mount Size | 3U (133 mm height) | |
| Battery Weight | 45 kg | |
| Temperature | Charging Temperature | 0 – 45 °C |
| Discharging Temperature | −10 – 45 °C | |
| Protection & Interfaces | Enclosure Protection | IP20 |
| Communication Interfaces | CAN Bus / RS485 | |
| Compatibility | Compatible Inverters | All leading inverter brands |
| Storage | Storage Conditions | 15 – 30 °C at minimum 50% SoC (charge every 6 months) |
| Lifecycle | Warranted Cycles | 6000 cycles at 80% DoD |
| Warranted Calendar Life | 10 years |
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

