Captorofsin Posted August 22, 2021 Report Share Posted August 22, 2021 I have 8 volt cordless gyroscopic screwdriver (please link below). I have had this screwdriver since 7/2019. It seems less powerful and also seems like going thru batteries (a lot more than before). How long do these usually last? I cannot tell it is: Because the motor is older (has been used several times a day for the last two years) and requires more current (from battery) to perform (which causes the battery to drain q=more often) or If batteries can no longer hold a load. Seems like both batteries would "crap out" at roughly the same time. I have entertained the idea of a Milwaukee cordless screwdriver. Just that I like the gyro in the Dewalt and the Milwaukee is 4 volts (vs the 8 volt Dewalt). https://www.homedepot.com/p/DEWALT-8-Volt-MAX-Cordless-Gyroscopic-Screwdriver-with-Adjustable-Handle-1-1-0Ah-Battery-Charger-Bag-DCF680N1/205110459 Any input would be appreciated Quote Link to comment Share on other sites More sharing options...
fm2176 Posted August 23, 2021 Report Share Posted August 23, 2021 I could very well be the batteries. If you've been using the screwdriver daily for two years, they might be getting close to their charge cycle limit. I have two of these screwdrivers, with the two batteries that came in my first kit (found it on clearance for $35 at the PX, and later found a bare tool for about $20). I don't use mine daily, though. It seems that a new battery is under $30: https://www.homedepot.com/p/DEWALT-8-Volt-MAX-Lithium-Ion-Battery-Pack-1-0Ah-DCB080/204475930. Since you use your gyro screwdriver so often, it may be worth the investment to pick one up. Quote Link to comment Share on other sites More sharing options...
avensis Posted September 14, 2021 Report Share Posted September 14, 2021 Hi, how long have you had it? Quote Link to comment Share on other sites More sharing options...
Mathew123 Posted September 28, 2021 Report Share Posted September 28, 2021 I agree with fm1276 that it would be a good investment to get a new battery rather than getting a Milwaukee cordless screwdriver, considering you are already satisfied with the Dewalt you have Quote Link to comment Share on other sites More sharing options...
Captorofsin Posted November 25, 2021 Author Report Share Posted November 25, 2021 I have bee doing researech. The dewalt is 8 volts and the milwaukee is 4 volts. Milwaukee claims to have lots of torque. Milwaukee is lees voltage, but more torque? opinions Quote Link to comment Share on other sites More sharing options...
Captorofsin Posted November 25, 2021 Author Report Share Posted November 25, 2021 DeWalt sent me a brand new replacement. worked intermittently. found that the contacts (inside the screwdriver handle) were not making good contact with battery. Had to (ironically) use a hand held screwdriver to bend the contacts (inside the handle) so would get a solid contact. I have noticed the DeWalt is not as good quality since black and decker took over. Just hate to spend 300.00 on a Milwaukee when the DeWalt only cost 80.00 Quote Link to comment Share on other sites More sharing options...
fm2176 Posted December 1, 2021 Report Share Posted December 1, 2021 For the price ($80 vs. $300), why not just work around the issue. Hopefully bending the battery contacts worked, and my philosophy is to use something until it is unusable. Admittedly, I will get a bit abusive if something disappoints, and have been known to toss or otherwise beat up a tool that isn't performing to expectations. I think that goes back to my primitive mechanic's sensibilities: if it isn't working right, beat it until it does. 🙂 Seriously, though, unless you really need on-demand performance with zero issues, keep the DeWalt and save your money. I don't know what kind of work you do, but maybe also consider stepping up to a 12v (10.8v) screwdriver. I don't have the M12 version but can vouch that both the non-Fuel and Fuel versions of their drills and drivers are good at what they do. I do have the DeWalt 12v Max screwdriver (brushed, haven't bought the Xtreme version yet) and it's been a favorite of mine for when I need more power than the 8v Max. My DeWalt gyro drivers see almost exclusive use for receptacle/switch covers, battery compartment screws, and other small electrical jobs. Quote Link to comment Share on other sites More sharing options...
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