SlingingCoils
New member
Anyone try them in your ATP? I have had nothing but problems with the RNB packs from KellyCo. 2 packs went completely dead and wont recharge a week after I got them. So I want to try the stock battery holder with these.
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Rechargable lithium ion 1.5v batteries
- Thread starter SlingingCoils
- Start date
WaterWalker
Well-known member
A bit of info on the 1.5V Li-Po cells: They actually have a 3.7 Li-Po cell inside the case with a circuit board called a buck converter.
They need a 5VDC charger to charge the cell...you can not use the chargers for Ni-Cd or Ni-MH cells and vs-a-versa.
The circuit board is used to control the cells charge to the 3.7VDC and then to regulate the output to 1.5VDC. The buck converter is not shielded and there may be some interference noticed in the detectors audio, I doubt it, but I really would like to know (I have no problem with the RnB pack).
The dimensions of an Alkaline cell tend to be smaller both in diameter and length than rechargeable AAs. Therefore there might be a tight fit in the 4 cell battery holder that ATP uses. I have had this problem in my Infinium, but it does use a 4 cell square holder unlike the ATPros 2X2 holer. Also not all 2X2 holders are the same size, Radio Shack sells the larger ones. Everthing else being the same, they should power the ATP well for a longer time.
You say the RnB power pack failed. Will you please tell me just how they "failed"? I have done some testing on them and have had only one problem with them and that was when they were in use in a device other than the ATPro/Gold that required almost 3 times the current draw. These packs also have a circuit in them that shuts them down to a "0" output to keep the PowerPack from depleting its charge below a save level. However they did recharge with the charger supplied by RnB and continue to function well in the ATPro.
Li-Po are a developing technology are being improved and put to new applications. The horizon is bright for there future.
The cost savings accumulate rapidly the more you use your detector per week, year round. If you only detect a couple of hours per month during the summer, I would stay with Alkaline cells.
They need a 5VDC charger to charge the cell...you can not use the chargers for Ni-Cd or Ni-MH cells and vs-a-versa.
The circuit board is used to control the cells charge to the 3.7VDC and then to regulate the output to 1.5VDC. The buck converter is not shielded and there may be some interference noticed in the detectors audio, I doubt it, but I really would like to know (I have no problem with the RnB pack).
The dimensions of an Alkaline cell tend to be smaller both in diameter and length than rechargeable AAs. Therefore there might be a tight fit in the 4 cell battery holder that ATP uses. I have had this problem in my Infinium, but it does use a 4 cell square holder unlike the ATPros 2X2 holer. Also not all 2X2 holders are the same size, Radio Shack sells the larger ones. Everthing else being the same, they should power the ATP well for a longer time.
You say the RnB power pack failed. Will you please tell me just how they "failed"? I have done some testing on them and have had only one problem with them and that was when they were in use in a device other than the ATPro/Gold that required almost 3 times the current draw. These packs also have a circuit in them that shuts them down to a "0" output to keep the PowerPack from depleting its charge below a save level. However they did recharge with the charger supplied by RnB and continue to function well in the ATPro.
Li-Po are a developing technology are being improved and put to new applications. The horizon is bright for there future.
The cost savings accumulate rapidly the more you use your detector per week, year round. If you only detect a couple of hours per month during the summer, I would stay with Alkaline cells.
SlingingCoils
New member
I have no idea how/why they failed, they refused to charge. I touched them with a multimeter and they showed 0 voltage. They where not abused, dropped or have gotten wet. I took the pack out after a weeks worth of detecting, plugged it in and came back a couple hours later to reinstall it back into the detector and it was completely dead. It was working when I removed it from the detector. I did not use any other charger other then what the pack came with. This was the first pack I bought. Second pack failed while in use, was sweeping a tot lot and the detector shut off and wouldnt turn back on. Battery indicator on the detector indicated full mintutes before it shut off. Got home and put it on the charger, nothing. Took out the old trusty multimeter to test voltage and got 0, completely dead. I use lithium batteries in most of my hobby equipment and for my job and never experienced this before.
SlingingCoils
New member
tarajudy said:
+1 I think thats the way Im gonna go. Trusty alkaline.
I haven't had any issues with the my RNB. rechargeable batteries, other then I can't believe how long a charge lasts. Yes, I paid a lot of money for mine. I haven't seen any other bad reports on them. Did you contact Kellyco and have them exchanged? That's usually a first line of defense for a bad product.
WaterWalker
Well-known member
Only other question: Did the indicator light on the charger for the PowerPack come on Red or Green? If you still have the PowerPacks you could try calling RnB at 909-730-5899. I am sure they would be interested in obtaining the failed unit back for evaluation.
SlingingCoils
New member
They both went back to kellyco. I returned and exchanged the first dead one for the second pack. Which later failed.
SlingingCoils
New member
WaterWalker said:
The first pack the light was red, never turned green after being on the charger for over 6 hours. Second pack same thing. Both charged and turned green when I got them initially for the first use. The second charge on both is when they refused to charge. At first I assumed the charger was failing. I do not remember the exact voltage it tested, but the packs where 0. Completely lifeless.