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SKIL CR5440B-00 PWR CORE 20 Circular Saw: What to Know
The CR5440B-00 is a 7-1/4" brushless sidewinder saw on SKIL's PWR CORE 20 platform, with a digital brushless motor rated for 5,300 RPM no-load. Cut capacity is 2-5/8" at 90° and 1-13/16" at 45°, with a 0-56° bevel range, and the saw uses cast-aluminum guards and a shoe rather than the magnesium construction found on some pricier competitors in this comparison. SKIL backs it with a 5-year warranty, longer than the standard coverage on most of the other bare tools here.
The "-00" suffix is SKIL's own tool-only designation; the same saw is also sold as the CR5440B-10 (with a 4.0Ah PWR CORE 20 battery and charger) and CR5440B-1C (with a USB-C rechargeable 4.0Ah battery and a 45W PD charger), so shoppers comparing prices across retailers need to check which suffix they're actually looking at before assuming they're comparing like for like. The shoe is also compatible with SKIL's own track guide rail accessory for straight and bevel rip cuts.
SKIL is owned by Chervon, and PWR CORE 20 is Chervon's own battery platform used across SKIL's tool lineup; despite SKIL's history as a Bosch-owned brand, its current 20V batteries are not interchangeable with Bosch's own 18V or 12V cordless systems, or with any other brand's "20V" batteries, since 20V max nomenclature is a marketing convention rather than a shared standard across manufacturers. Buyers new to SKIL should plan on buying at least one PWR CORE 20 battery and charger if they choose the tool-only CR5440B-00 listing.
Key Listed Features
Digital brushless motor rated for 5,300 RPM no-load speed
Cast-aluminum shoe compatible with SKIL's own track guide rail accessory for straight and bevel rip cuts
Adaptable dust port, onboard LED light, and a built-in rafter hook
5-year limited warranty, longer than typical coverage on comparable cordless circular saws
