Berserker 1700W 25-Pound SDS-Max Demolition Jack Hammer, 1-9/16″ 14-Amp Corded Electric Heavy Duty Demo Chipping Hammer Concrete/Pavement Breaker with Carrying Case Flat Chisel Bull Point Chisel

como esta buenas tardes, le escribo con la finalidad de exponer mi preocupación. A fínales del 2023 compre 2 demoledor y uno de ellos dejo de funcionar sin causa aparente se ha usado muy poco, me pueden apoyar donde me dirijo para que sea posible lo puedan reparar, gracias.

Tenía mis dudas respecto al SDS pero resultó ser muy buena inversión, me preocupaba un poco que salía un olor a plástico o resina quemada Pero x experiencia se que a veces algunas herramientas al principio de su uso pueden oler así ... El primer día lo usé 1 hora continuamente el segundo día lo usé casi por 2 horas seguidas y ya después la use aproximadamente x 5 horas continuas ,,,si recomiendo este SDS max berserker .....tengo un SDS max boch y se que es de mejor calidad Pero tiene muy parecido la potencia de 16 Jules y x el precio si lo vale totalmente

Perfect sweet spot for weight and power for medium demolition Summary: excellent value for what it is: a medium-duty, light weight jackhammer.I am writing this rewiew to help on decision-making on the suitability of this size/wieght/strength tool. See other reviews for other comparisons. Over-all, I recommenr this great value for what this tool is and have had a good experience with it so far.This item fits in a rare middle spot of medium weight (25 pounds) but good breaking force (45 joules= 33 foot lbs). There is a big gap in demolition-tool strengths between 10 foot-lbs (rotary hammer) and 40 foot lbs (full jack hammer). Similarly, there is a gap in weights of the tools, usually 12 lbs (small rotary hammer) to 45-55 lbs (full jack hammer). Consider how you might be using a hammer. Ain't nobody using a 50 lb jack for anything but straight-down foundation/driveway busting. This 25 pounder can be used for reasonable short periods holding horizontally (I ain't you gym coach, be smart), definitely can work at angles, for instance carving out a cement retainer wall in a garden. But I would maybe not use it for popping out tiled walls or flooring. A lighter rotary hammer tool makes sense therefor more delicate, more horizontal work. This does have a strength dial and SDS heads so you *could* get an angled chisel, and you might be temped to use it on flooring removal, but it is more tool than probably needed unless it is a serious flooring situation.I also found this tool versitile for concrete "carving" situations: trying to round-out/shape a cut as a first pass (eg toilet hole), shaping a retainer wall,or getting close to a foundation cut line using the different speed/strength setting and swapping out heads easily with the SDS sytem. I also carved down at angles a lot with this tool, in a way that would have taken more time with a smaller, less powerful tool. Got a waist high wall to take down and don't want to stand on top of it with a jackhammer? Here you go. But you are not going to lift this 25 pounds over your head in a "new door right there, new window over there" situation. And I found it did just fine replacing normal jackhammer operation on things like typical foundation and driveways. Might be a bit short for all-day work for tall guys, maybe experiment with some longer bits if you are doing a lot of driveways. And it isn't anywhere near as load as commercial grade electric or air jacks. So the stress and strain is less using this for medium-duty jobs.Other reviewers with more experience can speak to the relative build quality, relative ability, and suitability for profesional work, and perhaps more on the limitations. I find it really mobile, versitile, and mercifully light for use in medium-duty demo situations.

Be sure to add grease and check after heavy use. A real work horse.

Best price. Works great. Much better price than any store.

Rock and concrete no problem I needed a demo hammer to dig post holes through very rocky earth. I had about 25 to do, some through solid rock. It was not easy but this hammer got the job done. I could dig down as far as I could with the supplied bits then finished the hole with an extra long bit. The hammer had no trouble with the long bit as the holes needed to be about 22" deep. I am very pleased.

Fill lubrication port completely before first use It is extremely important that you lubricate this demolition hammer before it's first use, as it is shipped completely dry!On page 14 of the instruction manual, under the heading "4. Adding Grease", it says ".. Top up with grease 10, if necessary (Fig B8)".See figures B8-1 and B8-2. When you remove the 4 allen head bolts, you will note a 2 1/2 centimeter by 2 centimeter well, with gears in the bottom of it. You must completely fill it, to the top, with approximately 8 grams of the provided grease.If you do not lubricate it adequately before it's first use, I am sure you will shorten its lifetime.Check the lubrication port before each use, especially for the first ten sessions until you have an idea of how much lube is required for how much use.It seems to be a pretty good demolition hammer. It worked immediately. I am delighted with the light weight, and even it dies prematurely, it will still be cheaper than a rental.I don't usually review something quite so soon after I purchase it, but the lubrication issue was so important and seemed to be related to other bad ratings for this equipment.

Ridiculously effective Durable, easy to handle but be ready for it's incredible power!

Great deal and great performance! Had this for a couple years and use to drive rebar through logs, using a ground rod driver, works great! It's a beast, so quite heavy and large, but that's in it's favor when you're driving straight down. Hasn't given us any trouble at all. Eventually we'll try breaking up some basalt boulders, should be fun!

As good as Makita for less. This unit is as a 27 lb. Makita demolition hammer for about 1/7 th ty the price. I've only used it two days so far. The quality seams good. Nice case, two chisels, grease and extra motor brushes. I also ordered 6" chisel for removing porcelain floor tile. Works great.