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Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Save on Rechargeable Batteries
I used for wireless hand held microphone. It has now had about 20 recharges and is still going strong. The battery is very easy to charge and has a good 'shelf life', but the thing I noticed most is less weight. I don't know how long it will power the microphone for, but I have used it for 3 hours and it had not dropped much power at all. The battery outlasts the NiMH easily.
Verified purchase: Yes | Condition: New
It doesn't has good power storage over a long period. This battery is only handy and okay for short time use. There is some improvement to be be made in this aspect.
Verified purchase: Yes | Condition: New
Unfortunately, the charging electronics in the battery caused a loud high pitched hum in my guitar pickup. I had to buy a normal 9v battery to use my pickup again. I would say that they would be no good in microphones, pickups etc, anything audio that involves sensitive electronics. I am using a "LR Baggs Element Active System – Volume Tone Control" pickup. Otherwise the batteries were fine and charged properly with via usb.
Verified purchase: Yes | Condition: New
A good quality battery, that has real capacity as it claim for, not like many others that do not have the promised capacity. It has 3 leds to indicate the capacity status, which is great addition. So far, I am very happy with it, and recommend it.
Verified purchase: Yes | Condition: New
Unlike AA rechargable batteries (which deliver a 1.25V alternative to a 1.5V battery), with this one, you're getting the 9V that it's meant to be replacing (9.2V when fully charged actually). Another plus is it doesn't require a dedicated charger, just a USB cable/charger (and let's be honest, they're everywhere now). I love the little charge indicator on the side, and it's perfect for Arduino projects too. Finally, I've found you can charge while drawing 9V, so this is pretty much my Arduino power supply system now. :P
Verified purchase: Yes | Condition: New