EGO Power+ CS1815 18 in
#3 in BatteryFull review
For homeowners cutting a few cords a year who want gas saw power without the engine. The big battery kit is a fair price for an 18 in saw.
Amazon $419$419
The EGO Power+ CS1815 18 in rates 4.0 among battery chainsaws; the STIHL MS 251 Wood Boss rates 3.0 among gas ones. The STIHL MS 251 Wood Boss costs $19.01 less ($399.99 vs $419).
STIHL MS 251 Wood Boss
#18 in GasFull review
A fuel efficient 18 in STIHL for homeowners who cut a few cords a year and want dealer support.
STIHL $399.99$399.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different power source classes (battery and gas), and each is scored against the reference points for its own class, so a rating says how well each does among its own power source peers. How we rank explains each factor.
| Factor weight | EGO Power+ CS1815 18 in | STIHL MS 251 Wood Boss |
|---|---|---|
| Overall rating | 4.0/5 | 3.0/5 |
| Value 30% | 23 $23.28 per inch of bar ($419 with battery and charger, 18 in bar) | 42 $22.22 per inch of bar ($399.99, 18 in bar) |
| Power 25% | 100 72.2 ft/s chain speed | 42 45.6 cc engine |
| Weight 15% | 75 10 lb (with bar and chain) | 77 10.6 lb (powerhead) |
| Bar 10% | 75 18 in bar | 75 18 in bar |
| Warranty 20% | 100 5-year warranty | 0 1-year warranty |
Specifications
| EGO Power+ CS1815 18 in | STIHL MS 251 Wood Boss | |
|---|---|---|
| Cutting | ||
| Bar length | 18 in | 18 in |
| Chain speed | 72.2 ft/s | - |
| Chain pitch | 3/8 in low profile | .325 in (RM3) |
| Automatic oiler | Yes | - |
| Tool-free chain tension | Yes | - |
| Power | ||
| Engine or battery | 56 V, 6 Ah battery | 45.6 cc, 3 hp |
| Battery energy | 336 Wh | - |
| Battery included | Yes | - |
| Brushless motor | Yes | - |
| Build | ||
| Weight | 10 lb (with bar and chain) | 10.6 lb (powerhead) |
| Anti-vibration | - | Yes |
| Warranty | 5 years | 1 year |
| Battery warranty | 3 years | - |
| Released | 2026 | - |