Best Solar Batteries of 2022

Below are our top seven solar batteries:

SunPower SunVault

: Our pick for the highest capacity

  • Continuous power rating:  6.8 kW
  • Depth of discharge (DoD):  Not disclosed
  • Usable capacity: 12 kWh or 24 kWh
  • Warranty:  10 years, 4,000 cycles or throughput clause (varies by model)
  • Overview: Known for its high-efficiency solar panels, SunPower developed a solar battery in 2019. It’s one of the highest-capacity batteries on this list and uses the latest LFP battery chemistry, making it more powerful and long-lasting.

Tesla Powerwall 2

: Our pick for the best warranty

  • Continuous power rating:  5 kilowatts (kW)
  • Depth of discharge (DoD): 100%
  • Usable capacity:  5 kilowatt-hours (kWh)
  • Warranty: 10 years with unlimited cycles
  • Overview: The Tesla Powerwall 2 is one of the most popular solar batteries. It’s an AC lithium-ion battery that can be retrofitted into any existing solar power system. It also has one of the best warranties of the batteries we reviewed, with a standard 10-year warranty and an unlimited cycle clause.-lasting.

Sonnen Eco:

: Our pick for the best variety

  • Continuous power rating: 3 kW to 8 kW
  • Depth of discharge (DoD): 90%
  • Usable capacity: 5 kWh to 20 kWh
  • Warranty: 10 years or 10,000 cycles
  • Overview: The Sonnen Eco is a modular battery with seven size options. Its advanced Lithium Iron Phosphate (LFP) technology gives it a longer lifespan and improved efficiency compared to competitors.

Enphase IQ:

: Our pick for the best technology

  • Continuous power rating: 1.28 kW and 3.84 kW
  • Depth of discharge (DoD):  96%
  • Usable capacity: 3.36 kWh and 10.08 kWh
  • Warranty: 10 years with an optional 5-year extension or 4,000 cycles (varies by model)
  • Overview: Enphase is known for its high-quality inverters. Its solar battery, the Enphase IQ (formerly known as the Enphase Encharge), is integrated with this technology. The battery works with existing solar systems and provides software with insight into your power usage.

Generac PWRcell:

: Our pick for best efficiency

  • Continuous power rating: 3.4 kW to 6.7 kW
  • Depth of discharge (DoD):  84%
  • Usable capacity: 9 kWh to 18 kWh
  • Warranty: 10 years or throughput clause (varies by model)
  • Overview: The Generac PWR cell is a modular, DC-coupled battery with one of the highest round-trip efficiencies on our list at 96.5%. It is an excellent option for new solar systems.your power usage.


: Our pick for brand reputation

  • Continuous power rating: 5 kW
  • Depth of discharge (DoD):  95%
  • Usable capacity: 9.8 kWh
  • Warranty: 10 years, 4,000 cycles or 22.4 MWh throughput clause
  • Overview:The LG Chem RESU-1OH is a popular solar battery backed by of the most respected electronics companies in the world. It works with existing solar systems and can be stacked for added storage options. The LG RESU-IOH also has one of the highest round-trip capacities for an NMC battery at 94.5%.

Panasonic Ever Volt:

: Our pick for flexibility

  • Continuous power rating:  4.6 kW to 5.5 kW
  • Depth of discharge (DoD): Not disclosed
  • Usable capacity: 11.4 kWh and 17.1 kWh
  • Warranty: 10 years or throughput clause (varies by model)
  • Overview:Panasonic has a history as a leading battery manufacturer. The company’s solar battery, Panasonic EverVolt, offers AC- or DC-coupling options. You can install the batteries in an existing solar panel system or add them to a new one.

With the start of a new season comes a fresh opportunity to find ways to save energy and money.

Here are just a few simple things you can do to improve the energy efficiency and comfort of your home as warmer temperatures arrive:

1. Service your air conditioner. Easy maintenance such as routinely replacing or cleaning air filters can lower your cooling system’s energy consumption by up to 15 percent. Also, the first day of spring could serve as a reminder to check your air conditioner’s evaporator coil, which should be cleaned annually to ensure the system is performing at optimal levels.

2. Open windows. Opening windows creates a cross-wise breeze, allowing you to naturally cool your home without switching on air conditioners. This is an ideal tactic in spring when temperatures are mild.

3. Use ceiling fans. Cooling your home with ceiling fans will allow you to raise your thermostat four degrees. This can help lower your electricity bills without sacrificing overall comfort.

4. Cook outside. On warmer spring days, keep the heat out of your home by using an outdoor grill instead of indoor ovens.

5. Install window treatments. Energy efficient window treatments or coverings such as blinds, shades and films can slash heat gain when temperatures rise. These devices not only improve the look of your home but also reduce energy costs.

6. Caulk air leaks. Using low-cost caulk to seal cracks and openings in your home keeps warm air out — and cash in your wallet.

7.  Bring in sunlight. During daylight hours, switch off artificial lights and use windows and skylights to brighten your home.

8. Set the thermostat. On warm days, setting a programmable thermostat to a higher setting when you are not at home can help reduce your energy costs by approximately 10 percent.

9. Seal ducts. Air loss through ducts can lead to high electricity costs, accounting for nearly 30 percent of a cooling system’s energy consumption. Sealing and insulating ducts can go a long way toward lowering your electricity bills.

10.  Switch on bathroom fans. Bathroom fans suck out heat and humidity from your home, improving comfort.