SKIL PWR CORE 20 Brushless 20V Reciprocating Saw Kit (RS5884-1A) review

The RS5884-1A is a full-size cordless reciprocating-saw kit whose strongest documented distinction is selectable linear or orbital action combined with a substantial included 4.0Ah battery. This assessment covers the exact U.S. retail package, not just the RS5884-00 saw body named on its linked manual. Its paper specification row is useful for comparing format and equipment, but it is not a cutting test or a promise of runtime.

Separate the kit SKU from the saw-body manual

SKIL's selected configuration is RS5884-1A. The page's written package list names the reciprocating saw, one 4.0Ah battery, a charger, a wood-cutting blade, a power adapter and a USB adapter. The linked owner's manual cover identifies the tool itself as model RS5884-00. That direct manufacturer link supports using the manual for the saw-body controls and safety instructions while keeping the retail -1A kit identity and its contents separate. The exact package page does not state part numbers for its 4.0Ah battery or charger, so those remain unconfirmed here.

The supplied accessories matter if this is your first tool in a battery system, but the included battery does not mean the kit is light to carry. SKIL labels 6.28 lb as tool weight; it does not publish a battery-installed or complete-kit weight on the reviewed page. Count the battery and separate charging components as equipment without adding a guessed weight.

What the model's controls and specifications establish

The product page calls the motor digital brushless and documents a 20V battery arrangement, a variable-speed trigger, an LED, a rafter hook and a 1-1/8-inch stroke. SKIL gives a no-load range of 0–3,000 SPM and tool dimensions of 17 by 3-3/4 by 6-1/2 inches. The linked RS5884-00 manual independently names a 20V brushless reciprocating saw and supplies the same stroke and no-load speed. These are manufacturer ratings; they cannot predict how quickly an individual cut will go through a particular pipe, lumber, nail or demolition assembly.

Unlike the smaller RS5870B-10 kit in this library, the RS5884-1A documentation expressly describes linear and orbital settings. The manual diagram shows an orbital-action selector, and the product page says the selector switches between a linear profile and an orbital one. The shoe is pivoting and adjustable, and the page describes a tool-less blade-change mechanism. The manual's shoe-release screws and hex key are part of shoe adjustment; they do not turn the blade clamp into a keyed blade-change system. I do not infer a number of shoe-extension positions from the words “adjustable shoe.”

Where this package fits—and where to be cautious

For a buyer who wants cordless work, a new battery and charger, and an orbital control for more aggressive cutting plans, this is a genuinely different option from a basic tool-only saw. Its 4.0Ah pack is larger by capacity than the 2.0Ah pack listed with the RS5870B-10, but capacity alone does not establish a particular run time or cut count. The RS5870B-10 is lighter on its published tool-weight figure (3.62 lb) and has a one-inch stroke; the RS5884-1A is listed at 6.28 lb and has a 1-1/8-inch stroke plus documented orbital action. Neither model's documentation is a side-by-side performance test.

It is not a compact one-handed model, nor is the orbital setting a universal choice for every material. The manual distinguishes the orbital motion from a linear setting and gives its own material and blade guidance. Read the instructions for the cut and blade at hand rather than treating the more aggressive setting as a default. The published 6.28 lb tool figure also makes this a poor fit when a buyer's strict ceiling is below that figure; a claimed battery-on total cannot be substituted.

Plan the setup before the cut

The manual's operating guidance emphasizes a supported workpiece, secure hand placement and contact between shoe and work. It also directs the user to isolate the battery before adjustments, check that a blade is locked after installation, and account for hidden wiring and services when making a blind or plunge cut. Those instructions are more useful than assuming the kit's included wood blade suits every task: the page lists only that blade description, not a broad blade set. For metal or other materials, choose the appropriate blade and follow the exact manual's limits.

Before purchase, verify the retailer's box list against the exact RS5884-1A suffix, especially the 4.0Ah pack, charger and adapters. Confirm the current battery/charger instructions for the delivered components, the exact blade shank, and the space needed for the 17-inch saw body and cord-free battery arrangement. No hands-on use, measured performance, personal ownership, durability, runtime or user-experience result is claimed here; this is a source-based assessment of the published configuration.