Is this device going to overheat batteries if used as a usb charging station for batteries that only require 500 milliamps to charge?
1891769
if the battery charger plugs in to a USB port, it has it's own charging circuit to control what goes to the batteries. Any USB port will charge them properly so long as the device with the USB port is capable of putting out at least as much amperage as the item plugged in requires. the 2A and 1A ratings on the USB ports are MAX ratings. What is plugged in will only draw what it needs.
1891770
No not all. I have plugged in multiple 0.5A devices into the 2A port on this charger and I have not observed any overheating. I believe that this unit will compensate for devices that have lower amperage ratings which are plugged into the 2A port...
1891771
No - I have not see any issues plugging in 0.5A devices (BT headsets) in a 2A port on this charger on both the device and charger. I have noticed the charger gets hot when I plug 3+ devices onto the charger but not unusual compared to other charging bricks.
1703981
all depends on your gearing if overgeared any motor will overheat with any battery . I run a castle 3800 kv and mamba max controller . never overheat
1643692
Nah, it is just drawing the amprage needed to charge. It shouldn't get much hotter than that... If it starts to Burn to the touch there may be a defect in the product. But hot to the touch just don't lay on it for long periods of time or anything.
1583920
No, Anything over a 5w panel and you want to run it through a charge controller first. You risk overcharging a battery (which will eventually kill it) if you don't, even 5w is pushing it unless its a 70ah+ size battery and it has a constant small draw from it (Like in a car where electronics are being run even when the car is off)
911121
If you read description this charger will not charge devices with charging current higher than 500mA.
863077
I believe so; I plugged mine into a USB3.0 slot and charged batteries with it. The USB3.0 standard permits only 900mA continuous power.
1263777
I don't know where you got this info, but the high capacity chargers for both devices are rated at 5VDC, 2.1A. So NO. And, if you charge at a faster rate the battery will fry!
666650
The charger will accept a programmed limit by the device it is charging as h,s has noted. I tested the actual charging values and it varies at the demand of the device. The charger will not overheat compared to other chargers. Provided the charging chip of the our devices chip is designed correctly, the charger will trickle charge correctly.
964677
Not to my knowledge. My fiancee uses it when gluing together his miniatures, and I've never heard him complain about it getting hot. And the wall adapter takes the place of having to use batteries.
2061175
I believe it does as I have never had a battery overheat as a result of the charging dock.
666649
How much current an device draws is dependent on the device but the upper limit depends on the source. If the source can provide up to, say, 5 amps, then something connected to it can draw as much current as it will, up to 5 amps. Phone designers would be crazy to design devices that could create a thermal runaway., especially devices with lithium batteries which can explode if overcharged. For this reason lithium batteries in consumer good have the charging control circuit built into each battery -- this ensures against an overcharge. Re battery life, lithiums are complicated but the short answer is that it's really only the charging when the battery is nearly fully charged that matters. If you charge high current when topping off, it can reduce battery life. But the charging control circuit is supposed to limit the current and approach zero when the battery is full. The source controls the voltage seen by the device (phone or whatever). The USB standard is 5 volts DC-- So that's the voltage presented by any device built to USB standards. Your car, nominally 12 Volts, is really about 13.5 volts or a bit more depending on the design of your car battery and alternator. This can cause a USB device to output slightly above 5 Volts if it was designed to have exactly 12 volts as input. When you start the car a surge can go through that is higher. It's a good idea not to have phones or such plugged when you start up the car.
467334
My understanding is that with that low of an output you would not need to worry about overcharging unless you have a VERY small battery bank. The charge controller (non MPPT) is pretty much used to prevent damaging a battery (bank) through overcharging.
618342
I asked an engineer at work about this. As long as the voltage matches, and the amperage does not exceed the limit of the charger, the device that is being charged will take only the electrical energy it requires. It won't hurt it. If the amperage of the device being charged exceeds the amperage limit of the charger, the charger may burn out.
200739
Either will work fine. I leave mine on 500 since I'm usually not in a hurry for my batteries. Add a guideline you generally charge lithium ion batteries at one half capacity per hour, unless otherwise specified by the battery manufacturer.
1930064
there's nothing to over heat, the charger only works when the two inductor comes together. hope this helps
2284815
You are more likely to over charge the battery with a 12 volt unit. Just ensure the whole solar array is in the sunlight for optimal charging.
1675682
Absolutely not. This isn't a mobile chip and draws way to much power and gets way to hot.