Fax：(+86) 769 2229 0098
ADD：Tonghui Road, Dongcheng Science Park,
Greenway New Energy
ABOUT US PRODUCTS NEWS Scan QR code to follow
Solar Panels Battery-Choice And Cycle Life
The lifeline of every solar light is batteries. If the solar batteries are not operating well, the solar panels and their brightness would be directly impacted. Whether you're wired to the grid or the electric grid has an outage, no battery means no emergency power. In reality, the machine wouldn't work at all if you live off-grid.
You'll come across a number of complex product specs when you consider the solar-plus-storage choices. The most important ones to use during your assessment are the size & strength ratings of the battery, discharge depth (DoD), reliability of the round trip, warranty, and manufacturer.
- Capacity & Power
Capacity measured in kilowatt-hours is the cumulative amount of energy a solar battery can hold (kWh). (kWh). Many home solar batteries are built to be "stackable," ensuring that with your solar-plus-storage device, you can include several batteries to get extra power.
Although power tells you how large your battery is at a given moment, it does not tell you how much energy a battery can supply. You will need to remember the power level of the battery to get the full view. A power rating is the amount of energy a battery will produce at one time in the sense of solar batteries. Measured in kilowatts, it is (kW).
For a long time, a battery with a high capacity and low power rating will provide a low energy amount (enough to operate a few major appliances). A low-capacity, the high-powered battery could operate your entire house, but for a few hours only.
- Depth of Discharge (DoD)
Due to their chemical composition, most solar batteries must maintain some charge at all times. If you use 100% of a battery charge, the useful life would be reduced significantly.
The battery's depth of discharge (DoD) refers to the capacity of the battery used. For optimum efficiency, most manufacturers specify a maximal DA. E.g., if a battery of 10 kWh is 90 percent DoD, you should not recharge the battery by more than 9 kWh. In general, higher dodging means that you can use more of the capacities of your battery.
- Round-trip Efficiency
The efficiency of a battery round trip is the amount of energy used as a percentage of the energy it requires to store. For instance, the battery has around the efficiency of 80 percent (4 kWH / 5kWh = 80 percent) when you feed five kWh of electricity back to your battery and can get only four kWh of usable electricity back. A higher ride performance usually helps you to achieve more economic benefit from your battery.
- Battery Life & Warranty
Your battery "cycles" (charge and drain) every day for domestic energy storage. The capacity of the battery to carry the charge decreases steadily the longer it is used. So, solar batteries are like the battery in your mobile phone—you load your mobile phone every night, and you start to find that as it gets older, you don't bring as much as you might when you got new. A battery may, for instance, be guaranteed at 70% of its initial capacity for 5000 cycles or ten years. This ensures that the battery would not have lost more than 30% of its initial energy storage capacity at the end of the guarantee.
Many different types of firms, from automobile companies to technology entrepreneurs, create and manufacture solar battery products. While a significant car maker entering the energy storage market possibly has a long history of producing goods, it will never deliver the most innovative technology.
Depending on your priorities, whether you want a battery made by a new starter or a long-standing manufacturer. Evaluating the assurances for each product will provide more guidance when you decide.