11.4kWH Lithium Ion Home Battery with built-in intelligent inverter
For residential or small business applications.
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Secure your energy independance with an Alpha-ESS Energy Storage System (ESS) for residential applications as used in the South Australian home battery scheme
11.4kWH Lithium Ion Home Battery with built-in intelligent 5kW inverter.
All-in-one energy storage system. 11.4kWh battery capacity. Max 21.6 kWh battery capacity in the cabinet, expandable to 97.2 kWh.
Two powerful built-in MPPT's - simply add solar panels, no additional equipment required
Attractive modular design - add battery modules as you go - up to 97kWh.
24/7 monitoring via web and Android/IOS app.
VPP (Virtual Power Plant) ready - co-ordinate charge and discharge across an residential estate.
Lithium iron phosphate, the safest chemistry of all lithium battery types
Compatible with both new installations and retrofits (AC- or DC-coupled)
German design, superb performance and long lifespan
Multiple operation modes available
10-year battery warranty - 10 000 cycle life
Built on the Microsoft Azure cloud server
Real-time monitoring anywhere with web and mobile apps
Remote control of system for maximum savings
|Pierre on 23/03/2020|
Does this system exclude panels?
Hi Pierre, yes it does - you can find systems with panels here: https://www.solar-shop.co.za/alpha-ess/203-alpha-ess-smile5-energy-storage-system-584kwp-solar-array.html
|Stewart on 01/03/2020|
1) Do you have a recommended solar panel top go with this and how many panels can be attached. 2) If you add solar panels to this is this a complete system for a tied grid solution (inverter, batteries and panels) or do you still need something else?
Hi Stewart. We have two ready to go complete kits:
and one with 3.96kWp of panels: https://www.solar-shop.co.za/alpha-ess/370-alpha-ess-smile5-energy-storage-system-396kwp-solar-array.html
These kits have everything you need to get an ac output from the inverter. That ac output then needs to be connect to your backup circuits by a qualified electrician.
|Brian on 15/01/2020|
Can this be connected to three phase ?
Hi Brian. No, this is a single phase solution only.
|Chris on 10/12/2019|
1. I am confused a little. In your Key Features write-up, you say the Battery Capacity is 11.4 KW. Then in your SPECS write-up, you say the Battery Capacity is 5.7KW. I am hoping that it is indeed 11.4 KW. That's a big difference. So which is correct? 2. If Standalone acting as a backup to AC power, (no Panels charging) how does Smile5 know when to charge itself from the Grid? I would think of ordering one as a backup in the first instance and using it to run a few appliances. Then as soon as possible & when cash avail installing panels to complete the system. 3. Is there an owners manual or technical manual avail for me to learn about this Inverter/Battery system. 4. Is there an installer in Somerset West who has experience with this system. Thank you Chris
|Jacques on 10/12/2019|
Can you run it without solar panels, ie, charge with grid and use as backup during load shedding?
Hi Jacques, yes you can.
|Hein on 26/11/2019|
1. If using panels like Canadian Solar CS3W-400 (Voc= 47.2, Vmp=38.7), what is the minimum number of panels per string that will reliably start the MPPT? 2. Will this minimum still mean that I will operate at maximum power point? 3. The battery is specified as 0.5C, so while in grid failure I understand that I will be limited to around 2.7kW on the essential loads. However, while the grid is active, can I supply the full 5kW to the essential loads? 4. I understand that if the battery inverter trips while the grid is off, the system cannot be reset until grid power returns. Is this true, and if so why? 5. Can you confirm that while the grid is active, the battery can supply the grid connected output too, and not only the essential loads? How much control do I have over the power (W) supplied to either the grid-connected vs essential load outputs?
Hi Hein, in answer to your questions:
|Martin Coetzee on 12/11/2019|
Hi, can I start with 8 x 350W Panels on one MPPT and one battery ( 5 kWh ?) with the idea of upgrading later?
Hi Martin, yes you can. The only thing to consider is that the Alpha batteries operate at 0.5c, which means that when operating on battery power alone, you will only be able to get a peak power draw of 2.5kW off a single battery
|Dave on 17/08/2019|
Hi. From what I understand in the previous Q&A below, this is Alpha-ESS Smile5 Energy Storage system is Grid-Tied? Once the batteries are charged, excess power is sent back into the grid? Should I run out of battery power during the evening, the Smile5 will draw current from the grid? Thanking you kindly Dave
Hi Dave, that is correct, except the system will first charge your batteries and run your backup loads (you can decide the order in which it does this), and only then will it feed excess power to the rest of your household grid. It has further functionality built-in that then allows you to decide whether you want to exports any left over power backwards through the meter or not.
|Eugene on 04/08/2019|
Hi We use 1,200 to 1,400 kwh per month and want to install a system that enables us to run 100% on solar, but still remain grid-tied. We live in Pretoria East and our roof is not optimal for panels (we would need to add more panels, one set East facing, and the 2nd West facing) to ensure that we can generate enough to support our night time consumption. In total, we have space for about 18 panels. Can you recommend a panel that would meet our requirement? How many Lithium batteries would we need?
Hi Eugene, you will need two of these systems to do that. You need approximately 10kW of panels to produce 1400 Units per month. The battery requirement will depend on your day/night energy split, but the batteries supplied in the system will generally suffice.
|Dries on 25/07/2019|
Can this be used off grid?
Hi Dries. It can yes, but a lot of the cost of the unit applies to the grid tie functionality which you would then not be utilising.
|Jimmy on 24/07/2019|
Good day. If I have 18 X 325Watt Panels @ VoC 46.35 and want to split the array to have 9 panels Facing East and 9 panels facing West how would the panels get grouped in series or parallel to connect to the Alpha Ess Smile5? Where could I find a Solar Panel Wiring Diagram for this Unit?
Hi Jimmy, it's very easy. A row of 9 panels in series for each side of the roof. each row of panels will connect to one of the Alphas 2 MPPT's.
|Jimmy on 24/07/2019|
How would I wire the system so that only essential appliances receive power from the battery in the event of a power outage but excess produced power from solar can still be fully utilized during the day by other appliances like a geyser when the batteries are fully charged?
Hi Jimmy. The Alpha ESS has this functionality out of the box. The circuits you want protected during power outages are connected to the backup output of the Alpha. Any excess solar power produced (after the backup loads are being powered and the batteries charged) will flow onto the rest of your household grid (This is the grid tie portion of the functionality).
|Jac on 09/07/2019|
Good day Can the batteries be replaced after 10 years independently of the built-in inverter? Regards Jac
Hi Jac, they certainly can, although we would hope they last longer than the guarantee period.
|Ganesh Prasad on 02/07/2019|
I have an Alpha-ESS Storion SMILE5 system - 17 x LonGi panels of 315 W, producing 5.3 kW, inverter and two batteries with a combined capacity of 11.4 kWh. But this only covers me for 2/3 of my power requirement. The remaining 1/3 I have to draw from the grid. With the same inverter, can I add more panels and more batteries? I'm guessing I need 6 more panels and one more battery, but what is the maximum expansion I can get with the current inverter?
Hi Ganesh, yes you can add more panels. You can theoretically put 24 panels onto the system but you will experience some clipping at peak production. Adding more batteries is not a problem.
|Rory on 17/05/2019|
Morning Does this system work as a hybrid inverter, in other words, will it use a combination of grid, solar and batteries depending on how it’s programmed. Or would I be better off with your 6kw solar power solution and a Goodwe hybrid inverter
Hi Rory. It does indeed. It has the same functionality as the Goodwe, only in an attractive package and is better value if you're looking for a decent amount of storage.
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