SKIL PWR CORE 40 Brushless 40V 14” Lightweight Chainsaw Kit with Tool-free Chain Tension & Auto Lubrication, Includes 2.5Ah Battery and Auto PWR Jump Charger - CS4555-10

The Skil PWR CORE 40 14-inch Chainsaw Kit (CS4555-10) offers a battery-powered yard maintenance solution designed for clearing tough branches and tree stumps. Powered by a 40V system, this cordless setup eliminates the messy fuel mixing and engine pulls required by traditional gas equipment, offering a cleaner alternative for home property care.

At the heart of this tool is a digital brushless motor paired with a 14-inch bar. Skil engineered this system for rapid cutting performance, claiming faster cutting speeds compared to competitive 40V brands. Power comes from an included 2.5Ah lithium battery, which incorporates specialized cell-wrapping cooling material. This cooling design boosts runtime by 25 percent and doubles overall battery life compared to standard battery construction. When the pack drains down, the included Auto PWR JUMP charger recharges it from zero to 30 percent capacity in just 15 minutes, allowing you to resume work without long delays.

Maintenance and operation features are streamlined for daily usability. Tensioning the chain requires no extra tools, as you simply adjust a side-mounted dial right on the body of the saw. The automated chain lubrication system continuously applies oil to reduce friction during heavy cuts, helping the cutting mechanism operate smoothly. For user protection, an anti-kickback brake cuts off motor power automatically whenever kickback occurs, while weather-resistant construction helps protect the saw against outdoor elements.

There are a few clear trade-offs to keep in mind before making your purchase. Because this saw relies on a 2.5Ah battery pack, users tackling large property cleanups will need to pause periodically for recharges, though the 15-minute quick charge helps minimize downtime. Additionally, while the saw features automatic lubrication, the listing does not specify the capacity of the oil reservoir or whether bar oil is included in the package, meaning you will need to check the oil level regularly and supply your own chain lubricant.

Verdict: The Skil PWR CORE 40 14-inch Chainsaw Kit is an excellent pick for homeowners who want fast branch and stump trimming without dealing with gas maintenance. Its quick-charging battery technology, tool-free adjustments, and anti-kickback safety brake make it a capable outdoor power tool.

• Brand: Skil
• Model Number: CS4555-10
• Bar Length: 14 inches
• Power Source: PWR CORE 40V 2.5Ah Lithium Battery
• Motor Type: Digital Brushless Motor
• Charger Type: Auto PWR JUMP Charger
• Quick Charge Time: 0 to 30 percent in 15 minutes
• Tension Adjustment: Tool-less side dial
• Lubrication System: Automatic chain lubrication
• Safety Features: Anti-kickback brake
• Durability: Weather resistant construction

A great fit if you:

• Need to cut through tough branches and tree stumps without maintaining a gas powered engine.
• Want a cordless tool system with rapid 15-minute partial charging to minimize downtime between tasks.
• Prefer quick side-dial chain adjustments without carrying extra wrenches or hand tools into the yard.
• Value safety features like an automatic anti-kickback brake that stops motor power during sudden shifts.

Consider something else if you:

• Require a gas-powered saw for continuous forestry work without stopping to recharge batteries.
• Prefer a manual chain oiling system where you control lubricant application by hand.

Confirm on the listing:

• Check whether chainsaw bar and chain oil is included in the box or if it must be bought separately.
• Verify the exact weight of the tool with the 2.5Ah battery attached to ensure comfortable handling for your needs.
• Confirm if additional PWR CORE 40 batteries are compatible if you plan to swap packs during larger projects.
• Check what storage or bar cover accessories come packaged with the kit.

How to compare your options: When evaluating 40V cordless chainsaws, focus on motor efficiency, battery charge speeds, and tensioning mechanisms. This model pairs a digital brushless motor with a tool-free side adjustment dial and an anti-kickback brake. If you frequently cut tough limbs, compare charging times and battery cooling features across models, as rapid charging can significantly reduce waiting time during outdoor cleanup jobs.

Before using your chainsaw for the first time, attach the 2.5Ah lithium battery to the Auto PWR JUMP charger and allow it to charge fully. Inspect the side dial to verify that the chain tension is properly adjusted before starting any cutting task.

Keep an eye on the automatic lubrication system to ensure the chain stays properly oiled while working through branches and stumps. If the oil reservoir level gets low, refill it before continuing your cuts to prevent friction build-up.

Store the saw and battery pack in a dry location after use. Thanks to its weather resistant construction, the tool stands up well to outdoor conditions, but wiping away wood chips and sawdust after each session will help keep the automatic oiling port and tension dial working cleanly.

What is included in this chainsaw kit?
The kit includes the 14-inch cordless chainsaw, one PWR CORE 40 2.5Ah lithium battery, and an Auto PWR JUMP charger.

How quickly does the included charger boost the battery?
The Auto PWR JUMP charger can bring a fully depleted 2.5Ah battery from 0 to 30 percent charge in 15 minutes.

How do you adjust the chain tension on this model?
Chain tension is adjusted using a tool-less dial located on the side of the chainsaw, eliminating the need for separate hand tools.

Does this saw require gas or engine oil mixing?
No, it is powered entirely by a 40V battery and digital brushless motor, so no gas mixing or spark plug maintenance is required.

Does the package include bar and chain lubricant?
The listing specifies that the tool features an automatic chain oiling system, but it does not state whether a starter bottle of bar oil is included in the box, so check the package details before your first job.