APsystems ELS-11.4K Single-Phase Battery Inverter

The APsystems ELS-11.4K-NA ELS-11.4K is a single-phase battery inverter built for residential and light commercial energy storage. It delivers 11.4 kW of continuous power at 95.6% efficiency, with 120/240 VAC split-phase output and 17.1 kW surge for 10 seconds. This AC-coupled solution suits new or existing installations, adapts to multiple battery brands, and supports split-phase unbalanced output with a 10 ms transfer time for seamless backup.

Key Features:

• 11.4 kW continuous power, 95.6% efficiency
• Surge power 17.1 kW for 10 sec
• Output 120/240 VAC, single-phase split-phase
• Transfer time 10 ms for fast backup
• Max continuous charge/discharge current 240 A
• Compatible with multiple battery brands
• Bluetooth, CAN, RS485 and WiFi communication
• IP65 enclosure, -13°F to 149°F operation
• 34.4 x 18.7 x 11 in, 109 lbs
• UL1741SB certified, 10-year warranty

Ideal for AC-coupled residential and light commercial storage on new or existing installations. It self-adapts to the battery BMS, supports dry-contact generator or load control, and integrates with third-party systems via Modbus and Cloud API for flexible monitoring and management. Order the ELS-11.4K-NA (also listed as ELS11.4KNA) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.