How Long Do Lithium Batteries Last? A Detailed Guide
Looking to know how long a lithium battery lasts? Standard lithium-ion batteries in portable electronics usually last between 2 to 10 years. Their lifespan depends on how often they’re used. Modern power stations can provide a longer cycle life. They use LiFePO4 battery chemistry.
Read on to discover how you can get the most out of your battery cycles and how long a lithium-ion battery can last.
How Long Do Lithium Batteries Last
Most of the consumer lithium batteries have an average lifespan of 2-10 years or 300-1000 charge cycles, depending on their chemistry, design, and usage patterns. The LiFePO4 battery chemistry, which is commonly used in portable power stations, can last longer than others with proper usage, up to 10-15 years or 3000-6000 cycles.
A charge cycle does not refer to plugging the battery in or out of a charger, but is a term that defines the cumulative amount of battery capacity discharged, equal to 100% of its capacity.
However, this number can vary between several discharges until the battery is depleted to 100%. A partial discharge does not count as a full cycle by itself, but multiple partial discharges can add up to one full cycle.
Therefore, if one uses only a percentage of the battery on a daily basis, it will take much longer than the indicated lifespan period to drain it to 100%. The table below shows the average lithium-ion battery life , including the standard lithium-ion (Li-ion) and LiFePO4.
Lithium battery type | Typical lifespan | Typical cycle life |
Standard lithium-ion | 2–10 years | 300–1,000 cycles |
LiFePO4 | 10–15 years | 3,000–6,000 cycles |
The numbers above are only estimates of overall lifespan and how long lithium batteries last, and actual values may vary depending on chemistry, depth of discharge, charge rate, storage conditions, temperature, and usage patterns.
Signs a Lithium Battery Is Wearing Out
A lithium battery is dying if it shows any of these three symptoms:
Noticeably Shorter Runtime: The battery needs to be charged much more often than when it was new to power the same devices.
Accelerated Self-Discharge: The battery quickly discharges on its own when not in use.
Physical Swelling or Excessive Heat: The battery case is swollen, or it feels too hot when being charged; Both are signs of serious internal issues, and the battery should no longer be used.
Choosing a Long-Lasting Lithium Battery Power Station
When you are miles away from the nearest power source, having a portable power station is crucial to being able to keep your GPS, communication devices and cold storage running. The best options for long term camping and hunting are generators utilizing advanced LiFePO4 (LFP) battery cells. Unlike standard lithium batteries, LFP chemistry retains charge capacity over thousands of cycles of discharge and recharge, providing reliable run time throughout years of rugged outdoor use.
EcoFlow DELTA 3 Plus: Compact, Fast-Charging Reliability for Basecamp Essentials
The EcoFlow DELTA 3 Plus is an example of a portable power station designed for long lasting household needs. It's a balance between portability and power with 1800W AC output (2200W SurgeX). A sudden power outage can happen anytime, and your essential devices such as Wifi routers, LEDs, laptops, and fans need charging; these appliances can be operated using this EcoFlow DELTA 3 Plus effectively.
EcoFlow DELTA 3 Max: High-Capacity Muscle for Extended Wilderness Stays
For everyday use in households, the EcoFlow DELTA 3 Max has the extra capacity to power your high-power devices and support appliances such as air-conditioned rooms and TV lounges when you are hundreds of miles from the nearest town. With a 2048Wh capacity and 2400W continuous power output, the EcoFlow DELTA 3 Max can handle big jobs like electric meat grinders, large freezers, and space heaters while you are busy with your daily chores or your work for years.
What Shortens Lithium-ion Battery Life
LFP battery capacity is reduced through chemical stresses caused by extreme charge levels and increased temperatures.
Charging Habits
Storing the battery at 100% or 0% can cause battery capacity loss due to extreme voltage levels.
Frequently charging batteries at high rates can also accelerate lithium battery degradation by generating more heat than normal while charging.
Storage and Temperature
Improper Storage Charge Levels: Storing the battery at full or complete charge for extended periods can accelerate capacity degradation. The ideal way of storing batteries is by keeping them at about 40%-60% charge.
Extreme Heat: Heat is one of the main factors that can accelerate lithium battery capacity loss. It is not easy to predict the amount of heat a battery can withstand. Heat can destroy a battery faster than normal use and aging. Leaving a battery in a hot car or in hot weather will significantly reduce its capacity more than the expected capacity loss due to regular use.
How to Make a Lithium Battery Last Longer
Use these maintenance tips to extend the lithium-ion battery life:
Maintain a 20% to 80% Charge Range: Avoid charging the battery to 100% or leaving the battery at 0%.
Use compatible chargers: Always use the charger and charging equipment recommended by the manufacturer to prevent charging issues.
Store at Moderate Temperatures: Store batteries at 10 degree C to 25 degree C in a dry, temperature-controlled environment.
Avoid Deep Discharges: Use the battery according to your requirements and avoid routinely discharging it completely.
Conclusion
Although lithium-ion batteries' life is generally between 2 and 10 years, their chemistry and use will be vastly different. Some battery types such as LiFePO4 can be expected to last around 10 to 15 years and survive thousands of charge cycles. Good charging practices and temperature control will help you get the longest lifespan out of your lithium battery. So if you want a long-lasting LiFePO4 battery power station, consider EcoFlow DELTA 3 Plus or EcoFlow Delta 3 Max for everyday usage and reliable power.
FAQs
What is the biggest disadvantage of a lithium battery?
The primary disadvantage of a lithium-ion battery is its sensitivity to high temperatures, as well as its relatively high price in comparison to some lead-acid batteries. Exposure to high temperatures and improper charge states reduces the battery capacity.
How long can you leave a lithium battery uncharged?
A lithium battery may be kept unused for several months when stored under the manufacturer's recommended conditions. Since all batteries self-discharge when not in use, it’s necessary to check the charge level every few months and recharge it to about 50%. This will help avoid the deep discharge of the lithium battery.
Is it bad to keep lithium batteries at full charge?
Storing a lithium battery at 100 percent for extended periods is not recommended because a high state of charge can accelerate capacity degradation. The warm environment also affects the charge, so it’s essential to keep the battery at a stable temperature.
Where is the best place to store lithium batteries at home?
The ideal storage conditions for lithium batteries are dry, well-ventilated, near room temperature and away from direct sunlight, heat sources, burning or open flames.
What are lithium battery alternatives to?
The alternatives to lithium batteries are flooded, AGM, Gel and Sodium-ion batteries. Compared to lithium power sources however, lead batteries have a far shorter lifespan and far smaller energy density.
For press requests or interview opportunities, reach out to our media team
media.na@ecoflow.com