It is possible for the batteries in lawnmowers to stop working after only one year, or they may last as long as eight years. This is because the charge holding capacity of the battery is what determines its lifespan, and as time passes, this capacity reduces. The amount of time a battery can be used for depends on both the type of battery and how it is being discharged.
Lithium-ion batteries and lead acid batteries are the two types of batteries that are now available on the market.
One of the most recent developments in battery technology is the lithium-ion battery. When the battery is being charged, it works on the fundamental concept of transferring charges from the positive electrode to the negative electrode, and it works in the opposite direction when the battery is being drained. The typical lifespan of a lithium-ion battery is between three and five years, or up to 500 charging cycles. The definition of the charging cycle makes more sense because, if someone uses the mover more than the average person does, the charging cycle requirement will be met in fewer than three years.
The life of a lithium-ion battery is partly determined by the material that the battery is made of. If the material is of good quality, the battery will have qualities such as rapid charging, a longer battery life, and increased energy storage. There is a range of lithium-ion batteries, and lawnmowers can use anywhere from roughly 72 volts per cell up to much greater voltages, but on average, each cell in a lithium-ion battery provides 4 volts.
● Lead Acid
Lead-acid batteries are one of the oldest forms of batteries; the issue with lead-acid batteries is that once they are depleted, they cannot be recharged to their full capacity level. Lead-acid batteries are one of the oldest types of batteries. Batteries of the lead-acid type have a lifespan of anywhere from one to three years or 200 to 300 charging cycles. When the temperature drops below 32 degrees Fahrenheit, performance of lead-acid batteries is superior to that of lithium-ion batteries; hence, lead-acid batteries are employed. Batteries of the lead acid kind provide 2 volts from each individual cell.
Electric lawnmowers are battery-powered. Many people wonder how long their fully charged lawnmowers will last before needing to be recharged. Electric lawnmowers can now run for an hour without recharging. A lawnmower runs for an hour under normal conditions. After an hour or half an acre (depending on your speed), the Lithium Ion batteries will need to be recharged.
● Battery management
The performance of lithium-ion batteries in electric lawnmowers has improved. Brushless motors in lawnmowers extend battery life since they only use a little amount of power at a time.
As you work dense grass, the motor will have to work harder. A motor without a brush will sense the grass's size and exert greater effort on it, but after the grass is eliminated, the motor will use less power. This is a useful power management approach, but only for brushless motors. The lawnmower will take longer to complete 500 charging cycles, extending the battery's life.
When the lawnmower's power is low, which means the batteries are dying, stop using it. Using less power will always harm batteries' health.
● Battery care in winters
Batteries are affected by temperature. Regardless of whether your lawnmower's battery can be removed or not, you must exercise caution when storing your lawnmower for the winter. Remove the batteries and store your lawnmower at room temperature if you plan to keep it in your garage. Batteries can be severely harmed by exposure to low temperatures, and in certain cases, they may cease to function altogether. As a result, if you want them to remain untouched by the cold, you must keep them in the store.
It's also a bad idea to store your batteries in places with excessive moisture. The battery's lifespan will be shortened if it becomes wet.
● How charging cycle will affect battery life?
When a lead-acid battery is reduced to roughly 70% of its capacity, as we've seen with lead-acid batteries, it won't return to 100% capacity. The charging will only reach about 70%, therefore it will never return to 100%.
Lithium-Ion batteries are distinct. Unlike lead-acid batteries, they can be recharged to full capacity even after being charged to 50% and then entirely exhausted.
Because lithium-ion batteries can only be recharged 500 times before they run out of power, they rely heavily on charging cycles. For lithium-ion batteries, charging them to full capacity before using them till they are completely drained is the ideal approach. The battery life will be extended if you repeat this cycle.
When lithium-ion batteries get old, they take longer to charge and discharge, so if you notice that your lawnmower is taking longer to charge than usual, it's a sign that the batteries need to be replaced. if your lawnmower used to charge in 90 minutes, but now it takes 120 minutes, it's because your batteries have deteriorated. However, it will take 2-4 years for this transformation to take place.
1.When using a lawnmower, make sure the battery is completely charged before starting it.
A fully charged lawnmower should be used whenever possible, even if the lawnmower's mechanical components are not affected by a lack of battery power.
2.Raising the mower's height is a simple solution.
The less moisture in the lawnmower, the less force it will put on the motor, and the less drain the batteries will experience the higher the grass grows.
3. Reposition your lawnmower numerous times.
Cutting the grass too frequently will make it harder to get to the stage where the grass can be cut again. Every week, make two cuts.
4. Do not mow your grass too early in the day.
The lawnmower will still run on wet grass, but it will work harder and waste more energy, and the source of that energy is the battery, which we need to safeguard. The reason for this is that the grass is normally damp in the morning because of the overnight rain.
5. The self-propelled capability is not utilized.
A self-propelled feature will consume more energy. There is a direct correlation between increased battery usage and increased energy consumption. The self-propelled mode must be utilized less frequently to maximize battery life.
6.Using a Mulching blade is a bad idea.
Grass clippings are bagged and mulched with the help of a mulching blade. While in mulch mode, they use a lot less energy than when they're not, which means they'll last longer on a single charge.
7.If you don't understand something, read the instructions.
Every instruction offered in the instruction manual about batteries should be studied and followed, because only the manufacturer knows what he or she is talking about when it comes to batteries.
8.Purchase high-quality batteries.
To enhance battery life, it is not a recommendation but an absolute must; if you get duplicate batteries your battery lifespan will not improve regardless of what else you do to it.
9. Make sure the charger is of good quality.
Batteries must be charged and stored using a high-quality smart charger. You run the risk of harming the battery if you use an old battery charger. It's not like modern smart chargers, which automatically stop charging when the battery is full, with older chargers.
It is possible to use a particular type of battery over another for a specific purpose. However, lithium-ion batteries are commonly utilized for lawnmowers. When it comes to the health of lithium-ion batteries, the right implementation of charging cycles is critical. In addition, if you store your lawnmower properly and use it according to the manufacturer's directions, you can extend the battery's lifespan well beyond the average.
Lawnmower technology is expected to improve in the future, requiring fewer kilowatts and extending the life of its batteries.
See more : Best lawn mowers for thick grass