Greenworks BL48L4420 48V (2 x 24V) 520 CFM blower-vacuum kit, two 4.0 Ah batteries and dual-port charger review

A two-pack 48V kit that can also collect leaves

Greenworks lists BL48L4420, SKU 2415202, as a handheld 48V (24V × 2) blower/vacuum kit with two 4.0 Ah batteries and a dual-port charger. Its manual says both 24V packs must be installed before the machine starts. Greenworks also offers a 2 × 6.0 Ah option on the page; do not transfer that capacity to the 2415202 two-4.0-Ah bundle.

Read 48V as a paired 24V arrangement

The title and manual describe 48V as two 24V packs combined. The manual permits 24V packs, rejects dual-voltage 24/48V packs, and requires both pack slots to be occupied. If the packs have different charge levels, runtime is limited by the less-charged one. This is not a single 48V battery blower, and one 24V pack will not start it. The kit includes a pair, so a new Greenworks buyer does not need to source both packs separately.

Airflow and controls for moving leaves

The manufacturer publishes maximums of 520 CFM and 240 mph. They are specifications, not a test of clearing speed on wet grass or packed leaves. A variable-speed trigger, cruise-control lever and Turbo button let the operator vary output; the manual says Turbo drains the batteries fastest. The page mentions an adjustable air tip and the manual calls for a concentrated nozzle, but the written box list simply says “tube.” Verify a particular nozzle shape if it is essential.

Vacuuming is a separate setup, not a second blower at once

This model has a real vacuum-and-mulch configuration, which changes who should consider it. The manual walks through replacing the blower tube with mulcher tubes, fitting the auxiliary handle and adjustable guide wheels, and attaching the collection bag. The manufacturer FAQ describes the intake as suited to light, low-density leaves and garden debris; stones and sticks are not collected, and larger objects can damage the impeller. Small particles can pass through the bag fabric. The bag should be zipped closed during use and emptied as it fills. The manual describes a mulching function, but I found no exact reduction ratio or bag capacity in the reviewed sources, so neither is used as a buying threshold here.

Changing modes takes more setup than keeping a dedicated blower ready. Stop the machine before changing tubes, and remove the batteries before clearing a blockage or doing maintenance. The manual calls for eye and hearing protection, dry use, and a shoulder strap while mulching; the exact package list does not confirm strap inclusion. Frequent vacuuming means more assembly, bag care and storage. For occasional collection alongside normal blowing, both modes in one tool may be useful.

Weight and runtime need context

Weight is a decision point, not a clean headline. The exact product page shows “Product Weight” at 10.65 lb without stating what is included; the page-linked 48-page manual's technical table lists 10.8 lb without battery and charger. Because those figures differ and the page does not give its weight basis, the bare-tool value is recorded from the manual, while ready-to-use weight and complete vacuum-mode weight remain unknown. That distinction matters with two batteries and a bag/tube assembly: do not read the 10.65-lb page figure as the mass you will carry in vacuum mode. A strict total weight ceiling should not be treated as satisfied unless the complete setup is confirmed for your use.

Greenworks lists up to 30 minutes of runtime while leaf blowing and a 120-minute recharge with a 4A charger. These are manufacturer claims, not guaranteed results for vacuuming, Turbo use, battery age, temperature or a particular yard. The page says the package includes a dual-port charger and the manual identifies compatible CAG-series chargers, including CAG817; the exact charger model and how its stated current is distributed between ports are not clear in the product listing. Greenworks lists three-year tool and battery warranty coverage. The manual limits personal-use coverage to the original purchaser under its stated terms, so check the written warranty for your purchase rather than extending it to commercial use.

Who should choose this exact configuration?

The BL48L4420 kit fits a household that wants both blower work and separate bagged leaf collection, needs at least 520 CFM on the published blower specification, and prefers to receive two 4.0 Ah packs and a charger in one package. It is less compelling if you need a very light complete vacuum setup, an exact bag volume, a documented mulch ratio, or a confirmed particular nozzle or included strap. The manual's 10.8-lb bare-tool figure does not answer the loaded vacuum question.

Compare it with Greenworks' BL48L4410 if you want the same two-24V battery architecture but only a blower; that model publishes 585 CFM and has no leaf-vacuum collection plan. The Greenworks BL40L511 is another blower-vacuum, with one 5.0 Ah battery and charger in its listed kit, rather than this model's two-pack 4.0 Ah setup. A dedicated blower may suit someone who rarely collects leaves and would rather avoid changing tubes and emptying a bag. Choose by the actual kit, power arrangement and cleanup routine—not by voltage or a peak airflow number alone.

Bottom line: BL48L4420 / SKU 2415202 is a Greenworks handheld blower-vacuum kit built around two required 24V packs used together. Its documented strengths are the included two-battery/dual-port charging package, 520 CFM / 240 mph published maxima, adjustable blower controls and a separate vacuum/mulch collection mode. Its useful decision limits are the unresolved total operating weight, unlisted bag capacity and mulch ratio, and incomplete written itemization of the exact nozzle and strap. The review is based on Greenworks' exact U.S. product page and linked manual, not hands-on testing or ownership.

Primary sources: Greenworks' BL48L4420 / SKU 2415202 product page, its page-linked blower/vacuum operator manual, and Greenworks' recall information page.