Residential Energy Storage
HAIKAI Harmony stores surplus energy from your solar and the grid for when you need it most - while saving your electricity bill in the process.
Sleek . Compact . Simple
Easily Expandable up to 8 modules
Seamless vertical stacking between modules with battery connections aesthetically hidden
Start at the size that is right
Starting capacity at 5.12 kWh
Safety is the first priority
The Harmony hosts the highest quality LFP cells which is the safest battery chemistry and additional fire-proof features.
With the Harmony's ergonomic handle design and auto-locking power cables, there is no need for an extra man or a forklift during installation.
Best partnered with Sonata Hybrid Inverter
HAIKAI Sonata Hybrid Inverter
All in One Solution
Pair HAIKAI Harmony with HAIKAI Sonata hybrid or AC inverter for the highest compatibility.
HAIKAI Harmony helps you save more on your utility bill
Use every drop of energy from your solar panels
The majority of energy generated from solar panels comes during mid-day. However, for most homes, energy usage peaks in the morning and the evening. As a result, only 30% of the energy generated is used on average. Don't let the energy generated by the solar panels you invested in go to waste.
HAIKAI Harmony helps you store that solar energy and allows you to use it whenever you need it.
Save more on your electricity bill
As your home rely more on technology, the more energy your home consume. HAIKAI Harmony allows you to fully utilized the energy generated from your PV system and automatically carries out peak shaving. Moreover, it can help prevent surging demand charges, helping you to cut back significantly on your electricity bill.
Keep your home light up 24/7
Natural disasters and accidents are things that you cannot predict and can threaten your safety. HAIKAI Harmony prepares you for unfavorable events that may cause a power outage. Keeping important appliances running can make sure you and your family are safe even during the most extreme circumstances.
Easy to Install: Installation Video