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The average is probably about 4 hours.
For those who use these in smoke alarms, how do they compare to using alkaline batteries? How often do you need to change the batteries for recharging Sep 15, 2014
I truly don't have a real comparison in smoke detectors, because they are a low drain application, but the tennas consistently outperform the alkalines in my metal detector( a very high drain application ) on a regular basis. I've had the system for over two years and am still VERY happy with the performance of both charger and batteries............paid for themselves MANY times over !
Will the TN141 charge NiCd batteries? I have one I bought a year ago and the LED blinks red when put a NiCd battery in it. Dec 17, 2014
According to http://www.tenergy.com/01141, the TN141 takes both NiMh abd NiCd.
I do not see the capacity in mAh of these batteries? Nov 30, 2014
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