SMA Sunny Island Inverter Battery Backup Systems

Complete Sunny Island inverter solar system battery backup systems with support.

Our Sunny Island inverter/charger solar system backup systems are specifically designed for off-grid solar system or seamlessly adding to any existing Sunny Boy grid-tie solar system. You can add battery backup to any virtually any existing grid-tie inverter solar system with these systems.

Sunny Island solar system battery backup systems include:

SMA Sunny Island Inverter(s), MidNite Solar ePanel Source/Load Center, schematics & tech support.

1. Select one of the Sunny Island power panels below based on your peak power demand:

SES System Part Number	Inverter System Description	Continuous kW Rating	Max. Battery Charging Current	AC Voltage / # of Phases	List Price
SES-SI-6-48-240	Sunny Island 6048 / 6 kW Battery Based Inverter System - Single Phase	6 kW	130A @ 48VDC	240VAC/1PH	$9,193
SES-SI-9-48-240	2x Sunny Island 4548 / 9 kW Battery Based Inverter System - Single Phase	9 kW	200A @ 48VDC	240VAC/1PH	$12,641
SES-SI-12-48-240	2x Sunny Island 6048 / 12 kW Battery Based Inverter System - Single Phase	12 kW	260A @ 48VDC	240VAC/1PH	$13,993
SES-SI-24-48-240	4x Sunny Island 6048 / 24 kW Battery Based Inverter System - Single Phase	24 kW	520A @ 48VDC	240VAC/1PH	$27,461
SES-SI-18-48-240	3x Sunny Island 6048 / 18 kW Battery Based Inverter System - Three Phase	18 kW	390A @ 48VDC	208VAC/3PH	$21,181
SES-SI-36-48-240	6x Sunny Island 6048 / 36 kW Battery Based Inverter System - Three Phase	36 kW	780A @ 48VDC	208VAC/3PH	$58,471
SES-SI-54-48-240	9x Sunny Island 6048 / 54 kW Battery Based Inverter System - Three Phase	54 kW	1170A @ 48VDC	208VAC/3PH	$77,627

2. Select one of the battery banks below:

Part #	Battery Bank System Description	Battery Bank Capacity	Nominal Voltage	List Price	More Info
SES-BB48-8KWH	8 kWhr Sealed Solar Gel Cell Battery Bank w/ Enclosure	7.8 kWhr	48VDC	$3,610	Deka Solar Gel Cell
SES-BB48-16-RK	16 kWhr Sealed Solar Gel Cell Battery Bank w/ Rack	15.6 kWhr	48VDC	$6,185	Deka Solar Gel Cell
SES-BB48-16KWH	16 kWhr Sealed Solar Gel Cell Battery Bank w/ Enclosure	15.6 kWhr	48VDC	$7,274	Deka Solar Gel Cell
SES-BB48-27KWH	27 kWhr Sealed AGM Battery Bank w/ Seismic 4 Zone Battery Rack	26 kWhr	48VDC	$10,002	GNB Absolyte GP
SES-BB48-38KWH	38 kWhr Sealed AGM Battery Bank w/ Seismic 4 Zone Battery Rack	38 kWhr	48VDC	$13,651	GNB Absolyte GP
SES-BB48-52KWH	52 kWhr Sealed AGM Battery Bank w/ Seismic 4 Zone Battery Rack	52 kWhr	48VDC	$17,237	GNB Absolyte GP
SES-BB48-72KWH	72 kWhr Sealed AGM Battery Bank w/ Seismic 4 Zone Battery Rack	72 kWhr	48VDC	$22,472	GNB Absolyte GP
Notes: 1. 9-18 kWhr battery banks include a two shelf battery rack with covers, indoor only, cables included. 2. 26-69 kWhr banks include Seismic Zone 4 battery racks and battery terminal covers. Battery racks may be bolted to thick concrete floor.
We also carry outdoor solar AC/DC UPS battery backup systems. Custom backup system options like different inverter, batteries, enclosure or rack at low wholesale pricing. Contact us.

Sunny Island System Features

Works best with SMA Sunny Boy Inverters for AC Coupling & battery charging
Ideal for larger remote power systems, telecom, village-island power
Fully programmable, auto genstart capability
Remote/PC communication via Web Box
True sine wave AC output provides clean power for sensitive electronics
Made in the USA, Qualifies for ARRA
6 kW system includes 240 VAC Autotransformer
Three-Phase Systems include the SMA MultiCluster Box
Use up to 5 kW PV per 6 kW Sunny Island

Add your own solar panels, charge controller and battery bank for a complete uninterruptible solar battery backup system.

Sunny island with Sunny Boy grid-tie inverter

The Sunny Island together with any Sunny Boy are optimized for battery-backup operation (grid-tied) and for "Off-Grid" use.

Use with any existing grid-tie solar panel system!

Three-Phase Sunny Island Inverter Systems feature Multicluster boxes. Pictured above is an open Multicluster enclosure.

Single Phase systems feature the intuitive MidNite Solar ePanel. MidNite Solar products that are designed and manufactured in their Arlington Washington facility here in the USA.