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| Model number | JY-ECS-47 |
| Fuel injection method | Automatic oil injection |
| Power type | Rechargeable-lithium battery |
| Motor type | Brushless copper wire motor |
| Guide bar length | 12 inches |
| Motor speed | 5500r/min |
| Load power | 455w |
| Voltage | 21v |
No more pull cords. No more fuel mixing. You just press a button and it works. Professional loggers tell us it powers through hardwood like cherry and maple without slowing. The self-sharpening chain stays deadly sharp. One contractor cut two full cords of firewood on a single charge.
The balance reminds you of a well-made hammer. You notice it when trimming overhead branches. Your arms don't feel like jelly after an hour. The vibration dampening means your hands stay steady. Safety systems activate faster than you can blink.
Rain used to mean stopping work. Now you keep cutting. The sealed electronics laugh at water. Construction crews use these saws in downpours. Landscapers love the silence - no more yelling over engine noise.
A roofer dropped one from twenty feet. It still cuts perfectly. The tool-free tensioning takes seconds. Farmers report using the same saw for five harsh seasons.
"That first clean cut through storm debris? It feels like control. Like you're finally winning against the chaos."
See the difference for yourself. Hold it. Feel the balance. Compare the smooth start to your old saw. This becomes the tool you reach for every time.
The JY-ECS-47 is a 21V rechargeable lithium battery-powered chainsaw featuring a 12-inch guide bar, a brushless copper wire motor running at 5500r/min, and an automatic oil injection lubrication system.
It uses a high-performance brushless copper wire motor. Brushless motors offer improved efficiency, greater durability, and reduced maintenance compared to traditional brushed motors.
Yes. The chainsaw is built with sealed electronics that protect against moisture, allowing you to cut safely and reliably even in wet conditions or downpours.
The built-in automatic oil injection system continuously lubricates the chain and guide bar during operation. This prevents overheating, reduces wear, and extends the lifetime of the cutting mechanism.
Yes, the chainsaw is designed with tool-free tensioning. You can adjust the chain tightness safely and easily in just a few seconds without needing any special tools.
Absolutely. The chainsaw is balanced with ergonomics in mind, featuring lightweight materials and built-in vibration dampening to prevent arm fatigue when trimming high branches.
