Ecco W51100 5.12kWh Lithium Battery | 51.2V 100Ah Wall-Mounted

The Ecco W51100 lithium battery offers 5.12kWh of energy storage for compatible solar and backup systems. In addition, its 51.2V rating and 100Ah capacity make it a practical option for homes and businesses.

This battery uses lithium iron phosphate (LiFePO₄) cells. Furthermore, its wall-mounted design saves floor space and helps keep your installation tidy.

Benefits of the Ecco W51100 Lithium Battery

• Energy storage: Store solar energy for later use. For example, you can use stored power when sunlight is low.
• Backup power: Supply power to connected appliances during outages. However, backup time depends on your load and battery settings.
• Wall-mounted design: Keep your floor area clear. In addition, the battery includes mounting brackets.
• Long service life: The stated design life is 15 years. However, actual battery life depends on use, heat and charging conditions.
• Power output: The maximum continuous output is 5,500W. Furthermore, the maximum momentary output is 7,500W.
• Battery protection: The unit includes short-circuit protection. Nevertheless, correct installation and safe use remain essential.
• Communication ports: The battery offers RS485, RS232 and CAN connections. Therefore, your installer should confirm compatibility with your inverter.

Ecco W51100 Battery Specifications

The main specifications appear below. In addition, your installer should check the current product manual before fitting the battery.

Specification	Details
Model	W51100
Battery type	Lithium iron phosphate (LiFePO₄)
Nominal voltage	51.2V
Nominal capacity	100Ah
Nominal energy storage	5.12kWh
Maximum charging voltage	57.6V
Recommended charging voltage	56.4V
Maximum continuous output	5,500W
Maximum momentary output	7,500W
Short-circuit protection	Yes
Reverse connection protection	Optional
Local settings	Supported
Dimensions	480 × 170 × 500mm
Package dimensions	590 × 290 × 615mm
Weight	49kg
IP rating	IP54
Communication	RS485, RS232 and CAN
Stated design life	15 years
Warranty	5 years, subject to supplier terms

What’s in the Box?

The package contains one Ecco W51100 5.12kWh lithium battery. In addition, mounting brackets are included for wall installation.

Warranty and Installation

The Ecco W51100 lithium battery includes a 5-year warranty, subject to the supplier’s terms. However, the stated 15-year design life does not extend the warranty period.

Use a qualified and registered electrical installer. In addition, obtain a valid electrical Certificate of Compliance (CoC) for the solar or backup installation.

Keep your installation photos, CoC and installer credentials. Otherwise, missing documents may lead to a rejected warranty claim.

Buy from SA Solar Experts

Contact SA Solar Experts for stock availability and product assistance. Before ordering, confirm that the Ecco W51100 lithium battery works with your inverter. Also, ask your installer to check that its capacity suits your backup needs.