iFixit - Answers With Device "Power Tool"

DeWalt DC970: What's the biggest 20V pack that can be SAFELY run?

Sun, 08 Mar 2026 00:54:35 -0700

I have a DeWalt DC970 from years ago and no batteries as they are dead. That said, I have primarily moved to 20V tools but this drill still works just fine; I just cannot buy the original batteries as they were discontinued being NiCd 18V. The batteries have long since been scrapped and were discontinued in 2021. I have XR and Atomic 20V tools as well as one standard non XR saw I keep as a backup to the XR saw. I once had two packs and the drill was shipped with 1.2Ah batteries but I know DEWALT sold 4Ah NiCds at one point too.

Despite having the higher end tools, I still want to keep this one around for jobs I do not want to run my good XR drill on. I have the DCA1820 and 4x 5Ah packs (18650-based) and 2 PowerStacks (5Ah/1.7Ah), so I am wondering what the sweet spot for the older 18V tools is. I did look into a brushless 20V entry level drill on sale for the batteries, but I looked into that years ago before I got 6 20V batteries. I don't think that plan makes as much sense now unless I get some insane deal on a 20V Brushless with 2 2Ah batteries.

⟐ Answer accepted marzo 08, 2026 at 0:54 GMT-7

FixHub Smart Soldering Iron: Can I use a generic 20-40W USB-C charger to run this soldering iron?

Tue, 02 Dec 2025 09:04:24 -0700

I bought the FixHub Smart Soldering Iron from them at a booth at a Makers Fair. The guy didn't mention that I had to use their overpriced power supply but did try to sell me one. When I just wanted the iron he didn't dissuade me... But I can't find the answer to this question on their site - they only address their own power supplies in all the literature (etc.). Anyone know ?

⟐ Answered dicembre 02, 2025 at 9:04 GMT-7

FixHub Smart Soldering Iron: Is there documentation for the serial console

Sun, 16 Nov 2025 19:54:33 -0700

Is there any documentation for using the serial console when directly connecting the smart soldering iron to a PC?

The web console is great but not always an option if you are in an offline environment. I see that there is a basic help command but it does not seem to give much detail on individual command usage.

⟐ Answered novembre 16, 2025 at 19:54 GMT-7

Bosch Power Drill: Drill bit stops spinning

Mon, 22 Dec 2025 09:30:46 -0700

I cant get the drill bit to turn/screw when trying to drill into wood. It clicks and nothing happens. The motor is still turning. The drill spins fine on its own no screws. A fairly new, rarely ised Bosch 18V cordless drill

⟐ Edited dicembre 22, 2025 at 9:30 GMT-7

FixHub Portable Soldering Station: Battery Charge Time Seems Super Slow

Tue, 15 Apr 2025 10:14:46 -0700

Recently been using my new soldering station and needed to charge the battery. Plugged it into a 2A fast charger (old Samsung phone charger). Battery was at 15% at 6 PM (Monday), at 7 AM (Tuesday), it is at 60%. Looks like a full day to charge this battery based on that schedule. Any recommendation for speeding up the time. I did try a variety of charging bricks with no significant change in charging speed.

⟐ Answer edited aprile 15, 2025 at 10:14 GMT-7

FixHub Portable Power Station: Can we get a little more information when using not-soldering-irons?

Thu, 13 Feb 2025 16:03:47 -0700

Hello,

I would like to request a feature be added to the power station firmware -- if something other than a soldering iron is connected, it would be great if we could get per-port voltage/current information. From a cursory look at the schematics, both of these metrics are sensed by the hardware, so it would be great if we could see them when a plain power sink is connected to the battery.

Great product! Thanks for reading.

⟐ Answer accepted febbraio 13, 2025 at 16:03 GMT-7

FixHub Portable Soldering Station: Fixhub reports no new firmware while still on 1.0.3

Wed, 12 Feb 2025 03:11:58 -0700

I received my fixhub today and I am very happy with it. It is my first upgrade from my weller (with resistors to set the temperature). It is very fast on the set temperature and feels comfortable to use.

When connected to my pc it reports firmware version 1.0.3. (both station as soldering pencil) but not a newer version available. I read about many other versions up to 1.0.7 and a almost released 1.0.8.

I tried with edge, chrome and opera, all connected without any issues but no newer firmware versions or the option to upgrade or downgrade.

Not sure what to do to get it updated.

⟐ Answer accepted febbraio 12, 2025 at 3:11 GMT-7

FixHub Portable Soldering Station: FixHub Portable Soldering Station Battery Health at 82% upon arrival?

Thu, 09 Jan 2025 06:58:22 -0700

Upon arrival (2024 October 21) the battery bank included with the FixHub Portable Soldering Station was at 82%. I charged it and used it once (maybe 2 hours), recharged the battery, and the self-reported health is at 82%. This seems abnormal for minimal use and age while being kept inside.

Is this a faultly battery and should it be exchanged it for another one?

⟐ Answer edited gennaio 09, 2025 at 6:58 GMT-7

Ridgid DrillDriver R860054 2020: How do I get the chuck assembly apart?

Sat, 19 Oct 2024 10:37:02 -0700

The drill stopped working. I'm told take apart the chuck assembly. When I attempt to do this i encounter an odd-sized torx bolt (somewhere between T40 & T45) holding the assembly together. How do I loosen this?

⟐ Answered ottobre 19, 2024 at 10:37 GMT-7

DeWalt DC970: Are the knockoff NiMh batteries any good?

Tue, 11 Jun 2024 02:25:02 -0700

One of my two DC970 batteries are at the end of it's life (6.9V/~1.01 A) from the original 18V/1.2Ah. My other battery isn’t much better (11.35V/~1.05A), so it’s time to get new batteries. The batteries are bad enough I went to use it and it was struggling with removing a screw.

I am looking at either the DCA2203C 20V kit (~$100) or buying a set of knockoff NiMh batteries (much cheaper) since both of them are pretty much shot. My charger can handle it since I have the 116 and not the 115. My concern is how long will they last compared to the NiCd packs becuase there are almost no vendors making clone NiCd batteries - not that you’d want them.

Has anyone worked with these knockoff batteries and are they worth the money? The high cost of the lithium kit makes it harder to justify piecemeal, but what does make sense is a new drill (~$100) and a DCA1820 ($35) - which will keep the DC970 in service with good batteries. The cheapest set I found that’s 3600mAh for $28 ($14/battery).

⟐ Commented giugno 11, 2024 at 2:25 GMT-7

Black and Decker LI4000: Where can I buy the charging bay for my drill

Fri, 24 Nov 2023 08:03:06 -0700

How do i replace my charging bay for my black and decker cordless L14000

⟐ Answer edited novembre 24, 2023 at 8:03 GMT-7

Dremel lite 7760: I have a newer dremel7760 needs a battery

Wed, 21 Jun 2023 01:55:21 -0700

I have the newer dremel7760 lite with internal 4v battery. It was given to me as a bag of dremel “disassembled” I put a 18650 battery in to test but it cuts off on high"4" does anyone know what battery is supposed to be in this dremel lite 7760

⟐ Answer accepted giugno 21, 2023 at 1:55 GMT-7

Craftsman Miter Saw 137212370 2017: I'm looking for the plastic blade guard part # 2DX4.

Sat, 20 May 2023 11:54:15 -0700

Is there a replacement or used plastic blade shield part# 2XD4 anywhere? Hate to throw the saw away for that guard. Help!

Thank you for responding. Here are two images with model number and image of parts diagram for this model.

⟐ Answered maggio 20, 2023 at 11:54 GMT-7

Dremel 8200: Speed Control Triac Number

Thu, 03 Oct 2019 10:57:34 -0700

What type of Triac is used on the 8200?

I've burnt mine out and can't read the number.

⟐ Answer edited ottobre 03, 2019 at 10:57 GMT-7

RotoZip Rebel REB01 Type 2: Is it possible to replace the power cord?

Fri, 19 Jan 2018 20:00:45 -0700

I noticed the other day that the power cord on my saw is a little damaged. I don't want to risk using it like this, but the saw is still in good shape so i don't want to throw it away. Is there a way to replace the power cord on the saw?

⟐ Answer accepted gennaio 19, 2018 at 20:00 GMT-7

DeWalt D28110: My grinder rattles and makes a lot of noise when spinning.

Thu, 02 Jun 2016 19:21:06 -0700

When I turn on the grinder, the rotor spins but seems to rattle and vibrate. It makes a lot of noise so I don't like to use it often. How can I fix this?

⟐ Answered giugno 02, 2016 at 19:21 GMT-7

Black and Decker LDX 120C: Why isn't the chuck able to tighten?

Sun, 20 Mar 2016 10:13:53 -0700

When i turn the head of the drill to loosen the head nothing is moving, what do i do?

⟐ Answered marzo 20, 2016 at 10:13 GMT-7

Craftsman Model 315.10721: Why is the saw overheating?

Tue, 25 Nov 2014 11:08:07 -0700

The saw tends to overheat frequently and the motor makes a weird humming sound. What can be done to prevent the overheating?

⟐ Edited novembre 25, 2014 at 11:08 GMT-7

FixHub Portable Soldering Station: Intermittent "Tool Error: Sensor Disconnect" (Error #5) during heating - FixHub SLD101

Fri, 22 May 2026 05:54:46 -0700

I'm experiencing an intermittent "Tool Error: Sensor Disconnect" (Error Code #5) on my FixHub Portable Soldering Station during the heating phase.

Symptoms:

- While heating, the error flashes for ~1 second, the temperature display drops a few degrees, then heating resumes. This cycles repeatedly.

- Using firmware 1.5.0 on both Hub and Iron.

- Tip is a 1.5 Bevel.

Troubleshooting already performed:

- Verified tip is fully seated (clicked in, aligned below the surface).

- Cleaned 3.5mm contacts and internal handle springs with IPA.

- Disassembled the iron handle; internal soldering points for the socket are secure and show no signs of failure.

- Measured tip resistance at ~3 ohms at room temperature.

- Tested both front USB-C ports with the original cable (same result).

- Tested with third-party 100W cables (MacBook/IKEA), which resulted in Error #11 (No Data), confirming the hub requires the specific data lines of the original cable.

The intermittent nature suggests a thermal expansion break inside the tip's sensor circuit. Are there any known issues with this behavior or specific tests I can run to verify if it's the tip vs. the iron handle's internal logic?

⟐ Commented maggio 22, 2026 at 5:54 GMT-7

Husky Air Compressor H2G3TK 2009 2009: Compressor doesn't start?

Sat, 02 May 2026 18:28:54 -0700

Give the replacement motor part number which isn't listed. But the motor is shown. Thanks 👍 😊

⟐ Commented maggio 02, 2026 at 18:28 GMT-7