SENIX 20V Cordless String Trimmer and Edger, 12-Inch

Inch: The SENIX Cordless Grass String Trimmer Edger Tool is a 20V battery-powered trimmer that also converts to an edger. Its telescoping shaft and included battery-and-charger claim suit routine trimming and edging, while the listed 20-minute battery life makes runtime a key consideration.

At a glance

Rotating head is described as converting between trimmer and edger modes, with five angle positions.
Telescoping shaft adjusts in length, and the listing describes a 180° adjustable handle.
Push-button line feed is described for extending fresh trimmer line.
SENIX says the X2 battery works across X2 20V and 40V tools, with stated exceptions for some equipment.

Price

$59.00Save 41%

Reference price: ~~$99.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Trimmer and edger functions in one tool reduce the need to switch between separate lawn-care tools.
The telescoping shaft and adjustable head offer options for fit and edging angle.
The listed 12-inch cutting width is suited to routine lawn-edge and grass-trimming work.

Cons

The listed battery life is 20 minutes, which may limit uninterrupted work on larger areas.
The listed 10-inch blade cutting diameter is smaller than the 12-inch string-trimming cutting width.

Technical specifications

21 specifications

Identity
Brand	SENIX
Model	Cordless Grass String Trimmer Edger Tool

Power and battery
Power configuration	Battery Powered
Battery life listed	20 minutes
Battery voltage	20V Max*
Battery capacity	2.0 Ah
Battery type	SENIX X2
Number of batteries	1
Charger	2 A
Full charge time	65 Minutes

Cutting and operation
Cutting width	12 inches
Maximum speed	7000 rpm
Line diameter	.065"
Cutting line length	16.4’
Blade cutting diameter	10 Inch
Function	Edger & trimmer
Head angle positions	5-position angle adjustment (0°, 15°, 30°, 45°, 60°)

Dimensions and installation
Weight listed	4.3 pounds
Dimensions	42.5"L x 8.3"W
Shaft	Telescoping shaft
Color	Blue

What to know before buying

Listing details to confirm

Listing details are inconsistent about weight, with 4.3 pounds in product details and 4.7 lbs. in feature text. The title and bullet mention 10-inch plastic blades, while other specifications describe string line and a 10-inch blade diameter, so confirm the cutting setup and included components for the selected listing. The 20-minute battery-life figure is listed without an operating mode or test conditions. The page also describes battery compatibility exceptions for the SENIX X2 lawn mower and snow blower.

Who is it for?

A good fit for

Homeowners who want one cordless tool for ordinary grass trimming and edging.
Buyers who value an adjustable shaft and head angle for different working positions.
People already using compatible SENIX X2 batteries, after confirming compatibility with their specific tool.

Less suited to

Buyers who need long uninterrupted runtime without a battery change or recharge.
Those seeking a clearly specified blade-only or line-only cutting configuration without first confirming the selected package.

SENIX 20V Cordless String Trimmer and Edger, 12-Inch · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 97 ratings

5 stars58%58%
4 stars16%16%
3 stars12%12%
2 stars11%11%
1 star3%3%

Customer feedback highlights ease of use and functionality, and one reported use was enough to trim an entire yard on one charge. Battery life feedback is mixed, including reports of poor performance. That matters for a tool whose listing gives 20 minutes of battery life without specifying operating conditions, so buyers with larger yards should allow for possible runtime variation.

Positive themes

Customers are reported to find the trimmer easy to use and appreciate its functionality.

Mixed feedback

Battery life receives mixed feedback, including reports of poor performance.

Frequently asked questions

Can this tool trim and edge?

The listing describes a rotating head that converts between string-trimmer and edger functions, with five angle positions.

What battery runtime is listed?

The product details list 20 minutes, but do not specify an operating mode or testing conditions. Customer feedback also reports mixed experiences with battery life.

Does it use string line or plastic blades?

The listing is inconsistent: the title mentions 10-inch plastic blades, while other specifications describe string line and a 10-inch blade diameter. Confirm the cutting setup and kit contents for the selected listing.

Is the battery shared with other SENIX tools?

SENIX says its X2 battery works across X2 20V and 40V tools, but specifies that the B20X2 and B25X2 batteries are not compatible with its X2 lawn mower and snow blower.