Battery change on a stud finder

Sounds like a weak battery...I want hold a charge for long...I would get the battery tested or buy a new one

I retired from fixing battery powered cleaning equipment a few years ago. The problem with wireless is that the batteries don't hold up. They will work fine for a few weeks- then they start to run out of juice after only a few min. On most rechargeables if you don't run them down completely, they only charge to the point you last put it on the charger (It's called battery memory). I personally think the rechargeables are a waist of money, and, when the batteries start to go- are frustrating. Just get an upright, with a side hose. I've got two at home that are over 20 years old. I only had to change the beater bar brush and belt twice in that time. No more than $150 bucks should be your price point for a vacuum used at your own home.

Yes, 6 beeps means you need a new battery. And you may as well get a 3000mAh for increased running time.

I does sound like a controller issue. Try testing the charging output (be careful, who knows what the voltage may be coming out) I would say it is the battery but the yellow light thing has me thinking you are right. That thing has been sitting there maintaining the battery for 17 years, it is probably tired. The other bad news is if your battery has been sitting at that low volta.ge it may have a greatly reduced capacity now. Hope this helps some. .

Possible that the charging current is insufficient- maybe due to poor charging circuit, weak voltage .
Also it can be due to weak battery in the unit that does not take in charge . In such cases you need to change the battery.

I am afraid you are having the problem of old or weak batteries. Old batteries at times tend to show such problems and do not show charge while charging properly. For this purpose, you can use a reliable Nicad Battery Repair Guide through which you can recharge the batteries without any problem and make them work like the new ones within no time, without anyone's help and you can do this all by sitting at home! I tried it and now I never buy new nicad batteries (http://www.nicadbatteryrepair.com/).

usually the problem is battery,make sure that ur battery is not expired..try to reverse the battery like positive to negative then put it right..

Hello, this is Ava with Think Crucial.

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I hope this was helpful.

Ava B.
Think Crucial Customer Care
http://www.thinkcrucial.com/

sounds like you have two different issues here. (Possibly one common)
Clean out the cliff sensors. Under the bumper. blow it out clean. This might stop the reverse circling. The battery is either bad, or the charging circuit is bad. if battery is know good then the problem is the main board needs to be replaced. a bad battery will kill a main boards charging circuit by over working it with shorted batteries