Do I need to keep the VOLTS switch turned off while nothing is plugged into the port to avoid draining the batteries?
1138044
Yep. Keep it in my briefcase stored that way. I haven't left it on to see if it drains but I figure the "off" position on the switch is there for a reason.
1138045
Yes but most importantly, you need to use lithium batteries for this to work
1138046
If the cable is disconnected the volt switch can be in any position. If extended periods of non use are encountered there may be minor drain and the switch should be placed in the off position.
670032
There's no on/off switch. Doesn't seem to draw much current so I left it plugged in all the time and didn't bother powering it down.
703085
No..once you put the cover down, it automatically turn the switch to off....i think for safety purposes not to drain your battery or any power....hope this will help!
1184393
It is OK to keep it continuously plugged in. When the Cyren is off and fully charged and USB connected to 5.14V, it draws 0.00 Amps (I have a USB volt-amp meter). The battery is being charged only when it needs to be charged, and that is good for the battery.
453118
Yes, I leave mine plugged in all the time. It stays quite cool when not use.
1597920
I have a 2 port charger and I've never had a problem leaving it plugged in when not in use. I hope this helps.
798283
Yes, this switch does need to be plugged in. There is no on/off switch so it is always on unless you unplug it from the wall. It is a high quality switch. I did a review and gave it 5 stars.
2067110
Not sure about the low voltage shut off, but I never disconnected mine, just shut it off, had no issues with a low or dead battery.
1593810
Make sure you remove the plastic strip between the batteries. They insert them to prevent the batteries from draining, but it will also prevent them from charging if you don't remove them.
351077
I don't usually run the system on a battery unless I take it somewhere besides my desk but the power light doesn't go off when the iphone turns off so I would assume that it is still sucking power from the dock.
2071386
There is no need to turn it off. I've had this for two years and batteries are still working. It goes into a low draw sleep mode. Don't worry about it.
2066308
NO. The power supply is not interrupted. If your vehicle port charges when it is off, you should be fine. But also consider that leaving it for extended times can drain your battery.
1164836
No need to leave it plugged in !Just like any electronic device only plugged it when the charge is low "I jumped 4 cars on one charge and it can do more!!"No sure about the float mode sorry !
1778534
Your 12-volt socket is probably not energized when the car is turned off, so not an issue. If it is energized with the car off, this unit would put a small drain on the battery, so you would want to unplug it when not in use. Obviously there is no issue if the car is running.
134773
No. But you can take the batteries out and flip them over to store them without draining power.
777381
I have owned several and they are safe to leave unattended on my houseboat in the winter, but always plugged into a grounded wall socket. They pull too much voltage to plug into a cigarette lighter i would think. could drain your battery very quickly and maybe even short out the heater.
1454906
I assume thatis a typo. There is no battery required as this is a passive device. I am using it on 24 volt system.