7 Best Solar Batteries of 2022

Solar batteries are the most significant part of any solar PV system, though many homeowners often overlook their importance. Solar batteries enable solar power consumers to get the most out of their solar panel investments by storing surplus energy. The best solar battery is essential for a constant, uninterrupted, and clean power supply for long years. Thus, go for the best batteries for solar off-grid systems.

Here is our pick of the seven best solar batteries with pros and cons for 2022 to help solar power consumers to make the right decision.

1. LG Chem

LG is the most reliable and popular electronic brand worldwide. With extensive experience in manufacturing lithium-ion solar batteries, its subsidiary company LG Energy Solutions delivers pocket-friendly solar storage solutions to consumers.

Pros

The company offers two high-quality solar battery models; RESU10H Prime and RESU16H Prime.
10-year warranty.
Both models are budget-friendly compared to other solar batteries in the market.
LG Resu is portable due to its small size.
It has a passive cooling system for thermal management.

Cons

It is a DC-coupled solar battery that requires an additional inverter.

2. BYD Battery Box

BYD is a Chinese company famous for its rechargeable lithium-ion solar batteries. The company offers various lithium combination power banks with improved stability and safety.

Pros

BYD introduced a unique tower battery design with a high-voltage HV battery design.
The company offers three variants in solar batteries; the high voltage range (HVS & HVM), two low voltage 48V options, and the LVL and LVS Premium.
10-year warranty
BYD battery health tracking app

Cons

BYD solar battery performance shows a decline in cold weather.

3. Tesla Powerwall

Tesla is famous worldwide for its high-end electric vehicles, and in 2015 the enterprise chipped into the solar industry. The Tesla Powerwall solar batteries are also popular among solar power consumers due to enhanced efficiency and long warranty periods.

Pros

Tesla Powerwall 2 is a rechargeable lithium-ion battery – highly compatible with existing solar systems.
It has a thermal power management system that permits the preconditioning of the solar and batteries by boosting the charging capacity of the power bank in extreme weather conditions.
10-year warranty that assures the solar bank maintains 80% energy capacity within the warranty period.
Tesla Powerwall batteries have inbuilt inverters with AC-coupled solar batteries.
It has a liquid cooling system that providesan improved performance between -4F to +120F temperatures.
The solar battery has a 100% depth of discharge.

Cons

Tesla Powerwall is not suitable for 3-phase connections as solar banks allow connection with one phase.

Sungrow Batteries

Sungrow company offers high-quality solar inverters for commercial and residential consumers. Also, the brand provides utility-scale grid-tie systems for small and large power storage systems.

Pros

These batteries have a stacked modular design, compatible with almost all solar modules, and proffer excellent efficiency of 95% to 98%.
LCD monitor enables easy inspection.
Excellent warranty of 10 years, and on specific residential solar modules, Aussies can apply for additional warranty periods.
Depending on consumer power requirements, they can pick from 3-stack (9.6kWh) modules to 8-stack (25.6kWh) modules.
These are high-quality DC-coupled batteries with built-in backup hardwired, which means no external backup box is required.

Cons

Some consumers found Sungrow batteries a bit pricey.

Goodwe Lynx U-Series Batteries

Goodwe is a renowned Chinese company that recently launched different varieties of lithium batteries for small commercial and residential solar modules. These batteries have a durable build quality and long life.

Pros

GoodWe’s new Lynx U Series home batteries are highly cost-effective and durable.
These batteries have an excellent 5.4kWh capacity.
It can connect with the 6 batteries in parallel and is scalable to 28.8 kWh.
The power backup is highly affordable.
Excellent warranty of 10 years.
It has an automatic reboot system.
The system comes with remote firmware for upgrades and diagnosis.

Cons

The Lynx U Series is comparatively new and till now has no reported limitations.

6. Growatt

The Generac PWRcell is an American company famous for its solar power banks and generators. The company offers highly efficient, durable, and secure go-to solar battery backups.

Pros

Growatt batteries are highly affordable.
These batteries have good storage capacity and are safe to use.
It is a compact battery perfect for solar consumers with small power requirements.
It has a storage capacity of 6.5 kWh with a 4.2kW power output.
Excellent warranty of 10 years.

Cons

Growatt batteries are comparatively new and till now haveno reported limitations.

7. SunPower SunVault

SunPower is one of the best solar panel brands in Australia. Thanks to its premium quality products, SunPower SunVault solar backups have high-capacity LFP (Lithium iron phosphate) batteries that ensure improved efficiency for extended periods.

Pros

The impressive power rating of 6.8 KW – allows multiple appliances to run simultaneously.
The high battery capacity of 13kWh – provides power backup for long hours.
Perfectly suitable for SunPower solar panels.
A 10-years warranty – allows the user to get 4000 battery cycles.
High round-up efficiency of 85%.

Cons

SunPower brand has not disclosed the battery discharge information.
SunVault power backups are exclusive to SunPower solar PV systems.

At Ultimate Solar Energy, we make your decision-making process so simple. We design customized solutions based on your requirements, using only the most premium products.

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