According to a Grand View Research report, the cordless chainsaw market demonstrated significant growth, surpassing $1.2 billion in 2021. This indicates increasing popularity due to their convenience for tasks such as pruning trees, cutting firewood, and clearing debris. However, the question remains: how long do these batteries last?
According to MarketsandMarkets, the Lithium-ion (Li-ion) batteries market will hit $187.1 billion by 2032.
In this article, we'll learn what affects battery life, like how big the battery is and what you're cutting. We'll also look at tips to make your battery last longer. Get ready to become a cordless chainsaw pro!

1. Cordless Chainsaw Battery Types

Anyone can easily manage cordless chainsaws. The battery is a critical component of a cordless chainsaw, determining both its efficiency and operational duration. Before you buy a battery for your chainsaw, you must understand the available options.

1.1 Lithium-Ion (Li-Ion) Batteries

Lithium-ion batteries are a prominent choice for cordless chainsaws due to their lightweight nature, quick charging times, and long-lasting power. They are suitable for both short and long operations.

Energy Density: Li-ion batteries come with the highest energy density. It ranges from 100 to 265 Wh/kg. This makes users feel less tired and helps them move and control the device better.

Voltage: Normal Li-ion batteries usually last about 300 to 500 cycles, which means around 82% of their original capacity is left after that. But high-performance batteries are made to live much longer than this.

Life Cycle: Li-ion batteries have 300 to 500 cycles of charging and discharging approximately. If you follow a good charging routine, you can keep your battery in good health and protect it from seasonal impact.

Self-Discharge: Li-ion batteries have a minor self-release speed, commonly about 5% every month. This indicates that they maintain their power effectively.
To ensure you always have the power you need, consider these reliable ONEVAN Lithium-Ion batteries designed specifically for your ONEVAN cordless chainsaw:

1. SKU005201 - Rechargeable Lithium-Ion Battery ： This powerful battery provides an estimated runtime of 30-40 minutes for daily tasks.
2. SKU004863 - Rechargeable Lithium-Ion Battery ： It is a compact and lightweight battery. You can easily carry your tool with this battery.

1.2 Nickel-Cadmium (Ni-Cd) Batteries

Nickel-cadmium (Ni-Cd) batteries were previously common in power tools, offering several significant advantages.

Durability: Ni-Cd batteries are specially manufactured to bear physical jolts, shakes, and even unintentional over-depletion. This allows them to be used in challenging work settings.

Temperature Adaptability: They function efficiently in a wide temperature range. This characteristic allows Ni-Cd batteries to operate efficiently in various temperature conditions.

Memory Effect: Batteries of the Ni-Cd type are vulnerable to the "memory effect." This implies that the battery's capacity may decrease if not completely used before recharging. These batteries need to be fully depleted occasionally to maintain their best performance.

Environment Issues: Cadmium is a damaging heavy metal. It increases environmental concerns about throwing away Ni-Cd batteries.

1.3 Nickel-Metal Hydride (NiMH) Batteries

Capacity: NiMH batteries are typically the same size as Ni-Cd batteries but offer a longer duration of use. However, they have less energy density compared to Li-ion batteries.

Environmental Impact: NiMH batteries are the upgraded version of NiCd batteries. They don't have pesky cadmium. It is harmful to the environment!

Memory Effect: NiMH batteries are common in the memory effect. However, it's less pronounced than Ni-Cd batteries.

Voltage: An individual NiMH cell has around 1.2 Volts. Multiple cells can be connected in series to achieve higher voltages, making them suitable for cordless chainsaws.

1.4 Choosing the Right Battery for Your Cordless Chainsaw

Runtime: Consider the runtime requirements: How long does the chainsaw need to operate on a single charge? Also, consider the battery's capacity (measured in amp-hours) to ensure it meets your operational needs.

Charging Time: Do you need to recharge the battery fast? Faster charging times reduce downtime.

Weight and Portability: How important is the weight and balance of the chainsaw? Light chainsaws can be operated easily.

Cost: What is your budget for the chainsaw and replacement batteries? Li-ion batteries generally have a higher upfront cost. However, they rank top in terms of performance for cordless power tools .

Environmental impact: Are environmental considerations a priority? NiMH batteries offer a more eco-friendly option compared to Ni-Cd.

2. Factors Affecting Lifespan of Cordless Chainsaw Battery

Cordless chainsaws are top-rated now, and there is a valid reason for it! They are much simpler to handle than the big gas-powered types. However, remember this: your cordless chainsaw's battery plays a central role. This is what assists it in functioning, so learning how to maintain it becomes extremely crucial. Let's read about chainsaw batteries and how to expand their life.

Charging Practices
Proper charging is essential to maintain a chainsaw battery's condition. Overcharging can reduce its lifespan, while undercharging can also be detrimental. On the other hand, not giving enough charge is the same as keeping it hungry, and this isn't nice either. Always use the charger specifically designed for your chainsaw to avoid damaging the battery, and refrain from leaving it connected for an extended period once it's fully charged.

Storage Conditions
Batteries should be stored in cool, dry conditions to avoid damage from extreme temperatures. Extreme temperatures make them vulnerable to shortening their life. Subsequently, humidity could be better for them as well. Cordless chainsaw battery manufacturers recommend storing your battery in a cool and dry place.

Usage Patterns
How you use your chainsaw also affects the battery. If you use it all the time for really tough jobs, the battery will naturally wear out faster. It's like a marathon runner – they need breaks to catch their breath! Give your chainsaw (and its battery) a rest now and then, especially during those big cutting projects.

Battery Quality
All batteries are not made the same. Some have superior materials and designs, similar to how some toys are designed for longer durability than others. Choosing a high-quality battery from a reputable brand can significantly enhance performance and lifespan. And you remember we discussed different types of batteries? Batteries that are Li-ion usually last longer and have more reliability.

Maintenance
Similar to the importance of maintaining your toy, caring for your chainsaw battery is also crucial. It would help if you made sure that the battery contacts are clean. If these get filthy, the connection may not function optimally. Sometimes, allowing your battery to drain completely and then recharge it fully is beneficial. This acts like a reset button that keeps the battery in optimal condition.

Environmental Factors
Batteries are sensitive to dust and moisture, which can impair their performance. Think of them like little electronic pets that must be protected from the elements. When you're using your chainsaw in dusty or wet conditions, try to keep the battery covered and safe. And be careful not to drop your chainsaw or bump it around too much – batteries can be a bit sensitive!

3. The Lifespan of Cordless Chainsaw Batteries

Cordless chainsaws are very convenient tools! You can operate them without the hassle of gas or cords. However, their performance significantly depends on their battery. Let's read about different batteries used for cordless chainsaws.  

3.1 Average Lifespan of Lithium-Ion (Li-Ion) Batteries

Lithium-ion (Li-ion) batteries are the best choice for cordless chainsaws due to their lightweight and long-lasting power. For example, these batteries do not weigh much, and they have good working time. According to the manual, these batteries offer several clear advantages. They can last easily between 2-5 years, roughly around 300-500 charging cycles.

3.2 Average Lifespan of Nickel-Cadmium (Ni-Cd) Batteries

Batteries of nickel-cadmium are somewhat old school. You could see them in older models of chainsaw. They have a reputation for their strength and dependability. However, they don't sustain as much time as batteries made from lithium-ion do. Their life is about 1 to 3 years or nearly about 250 to 500 charge cycles.

3.3 Average Lifespan of Nickel-Metal Hydride (NiMH) Batteries

Nickel-metal hydride are an alternative option for cordless chainsaws. They provide a nice equilibrium between performance and lifetime. NiMH batteries typically last between 2 to 4 years, with an estimated lifespan of 500 to 700 charging cycles.

4. How Long Do the Batteries Last on a Full Charge in a Cordless Chainsaw?

This is a very important question to ponder for anyone considering a cordless chainsaw. Understanding battery life helps you choose the right tool for your needs. Let's explore the factors that influence runtime.

4.1 The Run Time Duration of Cordless Chainsaw

Typically, a cordless chainsaw operates for 20-40 minutes on a full charge, although this can vary significantly. Key factors affecting runtime include usage intensity and battery capacity.

Recommendation: ONEVAN 8" Telescoping Pole Brushless Cordless Chainsaw offers approximately 30 minutes of runtime on a full charge.

4.2 The Factors Affecting Run Time of Cordless Chainsaw:

Several elements contribute to the overall runtime of your cordless chainsaw:

1. Battery Capacity: A higher amp-hour (Ah) rating directly translates to longer operation.
2. Wood Type and Density: Harder or thicker wood demands more power. The increased energy demand from cutting harder wood can significantly reduce battery runtime. Cutting through oak will drain the battery faster than cutting pine.
3. Chain Sharpness: A well-maintained, sharp chain minimizes strain on the motor and battery. A dull chain requires more energy to cut, using up the battery quicker.
4. Motor Type: Brushless motors are generally more energy-efficient than brushed motors. They provide more power and longer runtime.

ONEVAN Motor Types: ONEVAN offers both brushless and brushed motor options.

Brushless Motor Products

ONEVAN 16" Brushless Cordless Electric Chainsaw: This strong chainsaw has a solid brushless engine for better performance and longer use time. It comes with a big bar and chain, good enough for tasks of medium size. The tool-free chain tension system allows for easy adjustments without the need for additional tools, and the automatic chain oil system maintains the chain running without interruption. Safety elements consist of a hand protection bar and a chain-stopping device for extra safety.

ONEVAN 8" Brushless Outdoor Pruning Saw: This saw is made for careful cutting, and its brushless motor makes it strong and lasts longer. Its 4-inch bar and chain make it easy to cut branches and plants. The lightweight design and ergonomic handle provide comfortable operation, even in tight spaces.

ONEVAN 8" Telescoping Pole Brushless Cordless Chainsaw: This chainsaw provides both strength and ease of moving around. The absence of brushes enables the motor to operate efficiently, and the 12-inch bar alongside the chain can handle many different cutting tasks. It features a low-kickback chain for safety and a compact design for easy maneuverability.

ONEVAN 12" Brushless Cordless Chainsaw: This chainsaw is excellent for tough jobs. Its strong brushless motor gives a lot of cutting strength, and the 18-inch bar and chain are good for handling big branches and trees. The ergonomic design and anti-vibration system reduce fatigue during extended use.

ONEVAN 125mm Brushless Cordless Electric Circular Saw: This kind of cordless circular saw gives you the convenience of no cords with the power of a brushless engine. It has a 7.25-inch blade perfect for cutting many types of wood and other stuff. The bevel and depth controls can be changed for exact control, and the dust blower inside keeps the cutting line clear to show better.

Brushed motor product:

ONEVAN 6" Mini Portable Cordless Chainsaw: This compact and lightweight mini chainsaw is perfect for small pruning tasks and DIY projects. It features a brushed motor that provides ample power for its size. The digital display provides clear information on speed and battery life. The 6-inch bar and chain are ideal for trimming branches and cutting small pieces of wood. Its compact size and efficient brushed motor allow for roughly 25 minutes of runtime.

ONEVAN 6" Cordless Telescoping Pole Chainsaw: This pole chainsaw extends your reach for trimming high branches safely from the ground. The telescoping pole adjusts to various lengths, and the 8-inch bar and chain, driven by a brushed motor, provide efficient cutting performance. It features an automatic chain oiler for convenient maintenance. You can expect around 35 minutes of runtime for those hard-to-reach branches.
For optimal performance and extended runtimes, consider ONEVAN's range of brushless motor products. Brushless motors offer improved efficiency, increased power, and longer tool life compared to their brushed counterparts.
While motor type significantly impacts performance, remember that other factors also influence battery life:

1. Ambient Temperature: Extreme heat or cold can reduce battery efficiency. Avoid using your cordless chainsaw in very hot or very cold conditions whenever possible.
2. Usage Habits: Continuous heavy use will drain the battery faster. You need to turn it off during extended tasks to let the battery cool and recover.

5. How to Maintain and Extend Cordless Chainsaw Battery Lifespan?

Caring properly for your cordless chainsaw battery helps to extend its lifespan and improve its functioning. This is how you can achieve it:

Proper Charging
Use the Right Charger: Always use the charger that comes with your chainsaw.
Don't Overcharge: Once the battery is full, unplug it.
Evade Deep Draining: Do not allow your battery to become completely drained before recharging.

Storage Practices
Keep your battery in a cool, dry place, away from direct sunlight. If you will not use your chainsaw for an extended period, store the battery with a charge of around 50%.

Cleaning Contacts
Regularly clean the battery contacts using a fresh cloth. It assists in making a good connection between the battery and the chainsaw.

Avoid Extreme Temperatures
It is not advisable to leave your battery in areas with high heat, such as a car, during a sunny day. Similarly, it should be kept away from extremely cold locations like the freezer.

Regular Usage
Use your chainsaw and battery regularly to keep them in good working condition, ideally every few weeks. This contributes to the well-functioning condition of your battery.

Inspect for Damage
Periodically observe your battery. Ensure that there are no signs of cracks, leaks, or corrosion on the battery casing.

6. Conclusion

Cordless chainsaws are easy to use and powerful to operate. The operating time of such tools depends on many factors, like frequency of use and maintenance practices. Choose the appropriate battery type and follow maintenance tips to ensure optimal performance. By understanding battery types, maintenance practices, and usage guidelines, you can maximize the efficiency and lifespan of your cordless chainsaw.

7. FAQs

How do I know when my cordless chainsaw battery is fully charged?
Most cordless chainsaw batteries have indicator lights showing their charge level. When all the lights illuminate, or the charger indicates a full charge, the battery is ready for use.

Is it good to use a cordless chainsaw in cold weather?
Experts generally do not recommend using a chainsaw in extremely cold weather conditions. Cold temperatures could lead to quicker battery drainage. However, if usage during the cold cannot be avoided, seek ways to maintain warmth in the battery.

What is the frequency at which I should replace the battery on my cordless chainsaw?
Batteries are not eternal. If you are observing that the chainsaw has reduced operating time then it's the right time to change the battery. Generally, a battery can last for 20-40 minutes of continuous use if maintained properly.

What should I do if my battery gets wet?
It is important to keep batteries dry, as water can cause significant damage.
Dry the battery carefully with a towel. It is preferable to allow it to dry thoroughly before attempting to utilize it again. If the battery does not function properly after drying, it should be replaced.

What are typical symptoms that a battery should be changed?
One of the most visible symptoms will be the very limited runtime of your power tool. Even if it is fully charged, but will exhaust very quickly. Similarly, if the battery is damaged or gets very hot while charging means you need to change your battery.

Can I use my cordless chainsaw on non-branded batteries?
Using batteries from the same brand as your chainsaw is advised. Using a different battery could damage the battery or possibly your chainsaw.