DEVON 5230-Li-12TSI cordless impact drill

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At the top are the main elements for adjusting the work. The rubberized top handle makes it easy to carry the whole set.
Flexible shaft in a plastic articulated housing allows you to work in hard-to-reach places.
There is also a sticker with technical specifications, thanks to which you can find out that the charger produces 12.5 V / 0.8 A. The branded charger has a meter network cable with a Chinese plug.
The quality is decent, it is well fixed in various positions, it does not wedge during operation. I read that this “disease” is inherent in many impact screwdrivers. The packaging is a cardboard box with colorful printing. The process of installing a drill. There are no illusions about the impact mechanism, this is far from a puncher, there are two “breaking” coupling halves, as in a conventional impact drill. The battery is held in the compartment by two latches, and can be removed without undue difficulty. — Battery charger
There are two adjusting rings on the gearbox housing. There is nothing interesting in the papers, the instruction manual is in two languages: Chinese and English.

This feature allows you to extremely accurately achieve the required speed when necessary. Spindle play, unfortunately, is present. There is a branded warranty card, but in fact it is easier to solve a problem with the store itself than with a Chinese manufacturer. https://jiji.co.ke/decor-accessories/glass The middle position, as with many screwdrivers, blocks the trigger. — Flexible shaft Outwardly, it looks very decent, there are no flashes, the case does not crunch when compressed.
A non-standard battery compartment is located on the bottom of the handle.

Chuck: quick-release single sleeve (0.8-10 mm) Prior to that, I used a Hitachi screwdriver only at work, drilling various metal surfaces in hard-to-reach places, which turned out to be quite convenient, because there is no need to carry carrying around and look for power. It contains full-size images of a screwdriver with detailed information about the capabilities of the tool. There are rubber lugs on the sides that prevent the tool from sliding on an inclined surface. With a cursory search, it turned out that buying a spare battery for this device is not so simple, only ordered straight from China, and at a hefty price of $ 35.
This device has 17 gradations of torque, adjustable spindle speed, an impact mechanism for the drilling function and a 12 volt battery with a capacity of 1.5 Ah.
To change the direction of rotation, it is necessary to “push” the switch to the desired position. It shines, unlike its Chinese counterparts with backlight under the cartridge, exactly at the place of drilling. Included accessories
The screwdriver has the standard Devon black and red coloring.
The whole set is in a fabric suitcase with a solid frame. For me, it is better to throw off the final price of the goods and not to put dubious equipment in the kit. This solution allows the screwdriver to stand on a flat surface, have an ergonomic comfortable handle and good weight distribution.

Each item from the set is located in individual recesses. Cylindrical plastic dust collector. Blows per minute (in shock mode) – 19500 There are loops on the bottom for
hanging on a vertical surface. There is a spindle lock and an electronic run-out brake, the chuck stops instantly after drilling is completed. There are 5 contacts in the recess for installing the battery: two balancing contacts, a temperature sensor, plus and minus.
Max. torque: 35 Nm

So it was my turn to write a review of a cordless screwdriver (or a drill, as you like). It’s all because of the handle, which is placed on the wrong side. From chips: operational amplifier LM324 from STMicroelectronics and microcontroller MB95F564K. Let’s consider each item from the set in more detail. On one side there is a rotating drum with holes of various sizes, on the other – a rubber gasket to keep dust in contact with the wall.
As you can see, in the process of sending the box was badly damaged, lost its presentability and seals. On the other is a specs sticker that lists RPM, model number, serial number, and operating voltage. The charge of a standard battery lasts about two hours, which is a bit long, especially if there is only one battery in the kit. Specifications:
The tooling is 50/50 in quality, the drills are like aluminum in weight, but, surprisingly, they even drill. On one of the sides there is a three-dimensional inscription with the brand name. The capacity of a 12 volt battery is 1.5 Ah. — Dust collector The weight of a suitcase with a full set is 2 kg. Battery capacity: 1.5 Ah Above the battery is a backlight LED that turns on when the trigger is pulled. Unfortunately, despite all this idyll, the suitcase is structurally incorrect, because when carrying all the items in the grid fall out. Next to the negative contact is a tuning resistor, apparently to adjust the output voltage. This is my first device of this type, except for an electric screwdriver from the same company. The case is made of impact-resistant matte plastic, with glued rubberized inserts. Clamp diameter from 0.8 to 10 mm.
A useful thing, but not always necessary. The torque limit works only in the “screwdriver” mode, in the “drill” and “impact drill” modes, only the direction of rotation and the number of revolutions are regulated. The ergonomic start button (hereinafter referred to as the trigger) has smooth speed control.
Working with it is quite simple – we mark the place of the future hole, select the required diameter of the drill on the dust collector, apply it to the wall, and then drill. At the end of the tightening, loud clicks of the ratchet are heard, and then the cartridge is blocked. Type: cordless impact drill Adjustment is carried out thanks to a smooth pull on the trigger. Voltage and type of battery: 12 V, Li-ion
The handle is quite comfortable due to its small thickness, textured inserts provide a secure grip with the palm. The switch is quite tight, accidentally changing the speed will not work. Gray is responsible for the mode of operation, black is for changing the torque.
Red is responsible for errors, green is for the charging process. No need to keep hardware in your lips or bend over each. Intermediate adjustment, as we remember, is made due to the force of pressing the trigger. LEDs at the end inform about the battery status. In the “LO” mode, the screwdriver operates at low speeds – from 0 to 350 rpm, in the “HI” mode – from 0 to 1300 rpm.
Torque adjustment: 17 levels A slot on the board separates the low and high sides. But now, when I finally got my own apartment, it is vital – repairs after all. The bits are not titanium, but quite good, they hold the necessary load.
Single-sleeve quick-clamping chuck with a corrugated surface, that is, you can easily install equipment with one hand. Instructions, booklets and accessories are stored in a mesh pocket. Naturally, it was possible to take a cheaper option from a no-name manufacturer, but, personally, for me, Devon is more trustworthy, because it produces a huge number of power tools that are popular in China.

A magnetic plate is mounted side by side to hold self-tapping screws, bits and other things. Embossed on one side is a 3D Devon logo.

DEVON 5230-Li-12TSI cordless impact drill

The suitcase closes with ordinary zippers with tongues. There are three contacts in the compartment: two power supplies and one thermal sensor. In total there are 17 gradations of torque. Its dimensions are 32x27x9 mm. 2nd speed speed: 0-1300 rpm Weight with battery: 1.15 kg Two-position speed switch
Responsible, oddly enough, for switching speeds. It greatly facilitates the process of screwing in a large number of self-tapping screws when fixing, for example, drywall.
1st speed speed: 0-350 rpm — Set of bits and drills < br />— Instructions, warranty card and booklets — Screwdriver Dimensions screwdriver: length 21 cm, height 21 cm. The only thing that I don’t like about the assembly is the gap between the two halves of the case, which cannot be removed in any way.
Slightly higher is a through switch for the direction of rotation. The battery is clad in a plastic case and has a triangular shape, which implies the use of three 18650 batteries. Charging time: 2 hours There is nothing special inside the charger, there is a fuse at the input, an OB2358AP PWM controller.

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