This article introduces the EU version of the Tigo EI Battery, with these frequently asked questions (FAQ):
- What are the features and benefits of the Tigo Battery?
- What is the battery voltage?
- What is the BMS, and how many Batteries can it handle?
- Can the battery be used with other inverters?
- What is the elevation rating?
- How is the battery mounted?
- Can I use a different battery with Tigo's EI Inverter?
- What is the battery SOC (%) at complete discharge?
- Does the battery hold a charge enough to dark start?
- How many additional batteries can be added to the EI system?
- Is there a BMS in each battery enclosure or in each EI Inverter?
- How is the battery system monitored?
- Does the battery charge to a full 100%?
- Does the battery degrade faster after charging to a full 100%?
- Do you have a system sizing tool?
- What happens to the battery if the load is exceeded?
Note: For FAQs on the Tigo EI Battery (US), see FAQs - Tigo EI Battery (US).
Q: What are the features and benefits of the Tigo Battery?
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Tigo's EI Battery is a modular, scalable energy storage system for the Tigo Energy Intelligence (EI) Residential Solar Solution. Features and Benefits
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Q: What is the battery voltage?
A: The nominal voltage is 102.4 V with an operating voltage range of 90 – 116 V.
Q: What is the BMS and how many batteries can it handle?
The BMS is the Battery Management System. It can control from one to four batteries. At 3 kWh per battery, the maximum would be 12 kWh of total storage.
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Q: Can the battery be used with other inverters?
A: No. The EI Battery and BMS are integrated components of the EI Residential Solar Solution (EU).
Q: What is the elevation rating?
A: The maximum elevation for an EI system is 3000 meters (9842 feet).
Q: How is the battery mounted?
A: The battery is ground-mounted only. It features an anti-tip bracket to secure it to the wall.
Q: Can I use a different battery with Tigo's EI Inverter?
A: No. The EI Battery and BMS are integrated components of the EI Residential Solar Solution (EU).
Q: What is the battery’s state of charge (SOC %) at complete discharge?
A: When completely discharged, the battery’s state of charge (SOC) is 10% of the battery’s absolute capacity.
Q: Does the battery hold a charge long enough to dark start?
A: Yes, when completely discharged, the battery still reserves enough charge (SOC of 10%) to start back up.
Q: How many batteries can be added to the EI system?
A: A single-phase system can have one-to-four batteries. A three-phase system can have two-to-four batteries..
Q: Is there a battery management system (BMS) in each battery enclosure or in each EI Inverter?
A: One BMS component stacks on top of a battery and below the EI Link. It manages all batteries in the system.
Q: How is the battery system monitored?
A: The battery can be monitored via the EI Platform either with a browser or the mobile EI app.
Q: Does the battery charge to a full 100%?
A: Yes.
Q: Does the battery degrade faster after being charged to a full 100%?
A: The battery will autonomously cycle charge to prevent accelerated degradation depending on the mode of operation selected by the user. Regardless of the mode selected by the user, the battery will reserve enough charge (SOC of 10%) to start back up when necessary.
Q: Do you have a system sizing tool?
A: Although not designed specifically for the EI (EU) system, Tigo offers an online Battery Sizing Tool for the EI (US) system that can help you make the right decision for your energy needs. You may also gather datasheets and manuals from our Downloads page and contact our Sales Engineering Team for complimentary assistance in sizing and designing your system.
Q: What happens to the battery if the load is exceeded?
A: If a load pulls more than the system's maximum capacity, the battery will automatically enter standby mode to protect its components.
Having a hard time? Contact our highly trained and helpful Technical Support Team today!