Alpha EES SMILE-G3-S5 electricity storage system – for private households and small businesses

Alpha STORION SMILE-G3-S5 electricity storage system for private households and small businesses


SMILE-G3-S5 modular energy storage system

All-in-one storage system
- Quick and easy installation
- Up to 25 years performance guarantee
- 5-year all-risk insurance optional

High-voltage battery
- Lithium iron phosphate cells
- No additional HV box
- Automatic bypass function
- max. Charging current 1C

Hybrid inverter
- UPS capability
- Island capability
- Efficiency > 97%
- 200% PV input power
- Backup 150% peak load (30 sec)
- Intelligent island capability / dual power
- Anti-shading function
- SmartHome Ready
- Grid simulation for external PV inverters



Max. AC-Nennleistung
5.000 W / 4.600 W (DE)
Nutzbare Kapazität
3,65 - 14,6 kWh
LFP (LiFePO4) - kobaltfrei
10 Jahre
Leistungsgarantie Akku
10 Jahre linear, auf 25 Jahre erweiterbar*



Max. PV-Eingangsleistung
2 x 15 A
Max. PV-Eingangsstrom
2 x 15 A
Max. PV-Eingangsspannung
580 V
MPPT-Anzahl/Strings pro MPPT
2 / 1
100 - 550 V
Max. PV-Kurzschlussstrom
2 x 18,75 A
Max. Lade-/Entladestrom
60 A
Max. Lade-/Entladeleistung **
5.000 W / 4.600 W
50/60 Hz
230 V / 400 V
Einphasig / 3-Phasenkompensa??on
5.000 VA
Max. AC-Eingangsleistung (Netz)
10.000 W
Nennausgangsstrom (AC)
21,7 A
Nennausgangsstrom (Backup)
21,7 A
97,3 %
Ethernet / WiFi / Modbus
0 bis 90 % (nicht kondensierend)
Abmessung (B x H x T)
610 x 366 x 212 mm
19,5 kg
IEC 62109, IEC62040, EN 61000-6-1/2/3/4, EN 61000-4-16/18/29
VDE-AR-N 4105, VDE 0126-1-1
Ja (gemäß Schutzart TYP II nach EN / IEC 61643)



Nutzbare Kapazität
3,65 kWh
96 V
-10°C bis 50°C, optimal 10°C bis 50°C
39,2 kg
Abmessung (B x H x T)
610 x 435 x 212,5 mm
Max. Lade-/Entladestrom
40 A
1 - 4 in Serie
36 Monate nach Inbetriebnahme max.***
* Im reinen PV-Betrieb.
** Verringerung der Leistung in Abhängigkeit von Ladezustand und Temperatur möglich.
*** Verfügbarkeit vorausgesetzt.


Rely on a hybrid system with UPS!

The integrated hybrid inverter enables an uninterruptible power supply (UPS) and automatic mains backup operation throughout the house. Conventional PV systems, on the other hand, switch off in the event of a grid failure. With suitable systems, less energy is lost due to the direct coupling of the PV modules with the battery, the battery can even be recharged in the event of a power failure and the supply is ensured over a longer period of time.

In hybrid mode, the battery can also simultaneously absorb and store electricity from other generation systems, such as an existing PV system. This makes hybrid systems from Alpha ESS real all-rounders and ensures a high degree of flexibility.


The most important features at a glance:

Battery M7790-S 1C Storion H30 commercial storage tank

Why lithium iron phosphate batteries?

Alpha ESS only uses lithium iron phosphate batteries (LiFePO4) due to their high level of safety and long service life. LiFePO4 cells are intrinsically safe and have no memory effect. They are characterized in particular by their high cycle stability, high efficiency and high charging currents. In addition, LiFePO4 batteries are particularly environmentally friendly among lithium batteries because they do not use any heavy metals such as cobalt or lead.

Scope of delivery Storion H30 commercial storage unit

Scope of delivery

Your energy storage system comes as a ready-to-connect complete package and includes all the necessary components at no extra charge - inverter, batteries, cable box, BMS, EMS and, on top of that, a free online portal and an app for a good overview!

Storion H30 commercial storage online portal

Free online portal & app

Live network monitoring of the power generated by the PV system, consumption, battery charge status and feed-in to and consumption from the grid - in the online portal or in the practical app.

Alpha ESS

As one of the pioneers in the energy storage market with lithium-ion technology, Alpha ESS is pursuing the vision of one day making clean energy available to everyone in the world.

Alpha ESS is a multinational company that currently operates residential and commercial storage systems in more than 70 countries worldwide. Alpha ESS has committed itself to helping shape the energy network of the future with its patented technologies from Germany.

As a result, Alpha ESS developed its first product, the in-house energy management system, in 2012, which still controls all Alpha storage facilities today. Since then, the company has evolved into a full-service provider with storage systems ranging from 3 kW to 550 kW.



You can find more information from our colleagues:

Manufacturer: Alpha EES

Specialist partner portal: Storion4you

Alpha EES Smile5 storage system