The tag has no wiki summary.

learn more… | top users | synonyms

10
votes
4answers
7k views

How to prevent batteries leaking out in devices?

Is there a common method of preventing batteries from leaking out and destroying the device? Why does this happen in the first place? I have laid another head lamp to waste because it was sitting in ...
4
votes
3answers
955 views

Will neodymium magnets harm my power drill battery?

I glued some magnets onto my power drill battery to use for storing drill bits on - but will the magnets affect the battery life?
4
votes
3answers
8k views

What should I do with leftover sulfuric acid from a sump pump battery backup?

In our new house, we found that a previous owner installed a sump pump battery backup unit, which is nice. The battery in the system is like a car battery, but it's the kind where you initially add ...
4
votes
2answers
269 views

How can I use cordless drill batteries in projects?

I found this project on Make for an automatic ball thrower for your dog, and am in the process of wrapping it up. For power, I'm using a cordless drill battery. (Specifically, a Ryobi lithium one+ ...
4
votes
3answers
959 views

Should I leave NiCad rechargeable batteries charging when not in use for long periods?

I've got an Black & Decker electric trimmer that gets used about 2 months out of the year. It uses a NiCd battery pack. For optimum battery life, should I leave it plugged in all year when not in ...
3
votes
2answers
510 views

What could cause a battery hedge trimmer to have white smoke come out of it?

For the most part my hedge trimmer was doing a really great job. I did have a little trouble with the thicker stems, so I would swing the trimmer at the stems while cutting, which helped. However, a ...
3
votes
2answers
98 views

Why have cordless tools changed the battery style?

I was looking for replacement batteries for my cordless tools (drill, light, sander) and have been unable to find any. My current battery is the style with a neck that inserts into the tool, but all ...
1
vote
4answers
536 views

Replacing battery in backup sump pump

I have a PHCC 2400 battery backup sump pump. It started beeping today and the controller light indicated that the battery terminals were corroded or that the battery was bad. I opened up the case ...
1
vote
1answer
652 views

How can i set up a Solar Panel to charge a 12v DC car battery and power a Raspberry Pi?

I've pulled together a few spare parts that i've had laying about for ages now and I finally have a bit of time to try do something with them. I've got a solar panel which puts out ~22vDC @ ~2Amps ...
1
vote
1answer
48 views

Can I use Eneloop batteries in my thermostat?

I have this LuxPro thermostat http://www.luxproproducts.com/pdfs/spec_pdfs/PSD010Bc_NL_ENG_Manual.pdf There's a warning in the very first section that says to use only Duracell or Energizer Alkaline ...
1
vote
0answers
37 views

What does it mean if my Watchdog backup sump is flashing “Add Distilled Water” even with brand new battery?

I just went through the laborious process of setting up a replacement backup battery for the Basement Watchdog backup sump pump system. I had to pour the battery acid in myself. Now in addition to ...
0
votes
1answer
39 views

Verizon FIOS battery warning beep [closed]

My Verizon FIOS system has a back-up battery to keep the phone running in the event of a power failure. This battery is approaching the end of its life and makes a "BEEP" every five minutes or so. I ...
0
votes
1answer
1k views

Powering 5 foot section of LED flexible light strip with AA batteries

I need to light traveling show cases with no AC power available. How do I hook up LED flexible light strips to AA batteries. (I bought 20 led per foot reels and 40 led per foot reels. Single color, ...
0
votes
1answer
68 views

Wired vs Battery Impact Wrench

I was considering the purchase of a 1/2" electric impact wrench. The first application is to change out an anode rod for an electric water heater. I was looking at some online, and the torque given ...