How do I know when the battery is fully charged? The red light comes on when I plug it in and stays on.
229951
When you plug in the USB-- the light in the usb comes on before the S107 is pluged in,then the light goes out. The light gets brighter as the S107 is nearer to full charge.Note how brite the USB light is before you plugin the S107--when the light is the same briteness it is fully charged. There is a better long lasting battery for that S107 on Amazon
229952
Maybe it is defective. They are rather cheaply made. The light on USB goes on when I am charging and goes off when it is done as does the light on the charger itself. Judging by the other responses they do not all seem to work the same way.
229953
Red light is always "on" when black charger (input=110-240VAC) is plugged into the wall socket. When you plug yellow cord with USB adapter into the black charger that is plugged into wall socket, the USB adapter plug will glow "red" only when the helicopter's battery is fully charged; if battery is fully discharged, it will take approx. 6-8 mins to recharge and the USB adapter plug will then glow "red". I received a 110VAC black charger as advertised and have been using it since May 2013 with no problems. I hope this feedback helped you. MG-Southern California
229954
My red light eventually goes off. I have not had any issues. I typically charge the battery for a couple hours - less may work. Not sure.
229955
Sorry, I gave helicopter away and haven't used charger to be able to answer you. But when we had it, I would just leave it plugged in until we used it. You can tell if battery isn't charged enough by the helicopter not responding to controls.
229956
I have no idea. What was sent me was marked 220vac and never would charge. I tried to retun it, but to no avail. I am using a power stip with a slot for yellow power cord and it works great. (light comes on when charged)What was sent me was a piece of junk!
722820
The red light is permanently lit when charging, unblinking. When the battery is fully charged, the light turns green
2153877
There is a charging LED light on the charger that will be red when you first plug it into an outlet. It turns green when the battery is fully charged, about four hours or so. You should unplug it when it turns green and not leave it plugged in indefinitely.
1376311
The indicator light does change to show that the battery is fully charged. I haven't used my charger in a couple months. So, I don't recall exactly what the light does. If memory serves me well, it actually blinks red when charging, and shows solid green when it is done charging.
1498488
I usually charge mine over night after the red light comes on. It does flash continually while it is charging. However, after 8 hrs. of charging, it usually still flashes. To know if it is fully charged or not, just look at the number of green lights that are lit on the handle. If the top one (100) is lighted, it is fully charged.
140766
when the red light on steadily on -indicates the charger is hooked up correctly and is chargingwhen the green light is flashing it means the battery is charged to 80% or greaterwhen the green light is a solid green (no flashing) the battery is fully charged and the microprocessor is monitoring the battery and will keep it fully chargedall this information is on page 7 of the instructions provided with the unit
2013698
Make sure its fully charged. I only figures this out after testing it out and seeing very short videos of the test. I know there has been some complaints of malfunctioning, but mine works fine.
1670888
Upon installation the red battery light went out immediately, so I assume that it arrived fully charged. However, if not fully charged the charging unit would be expected to bring it up to snuff quickly.
631256
You push the small button on the end next to the USB port. The red light should come on if it is charging.
2220337
when u plug it there is a red light, once is charged it is green. I leave it charging overnight.
444661
It has a blinking red light when the battery gets low. Also, when you charge it, the red light comes on. When fully charged,the light goes off.
49618
It turns red when the batter is dead. The green light will blink while it's charging. Once the battery is fully charged the green light will stay lit.
1556312
The light is red when charging. But if it doesn't hold the charge perhaps it would be best to email the seller with this question.
1762663
When I plug mine in the red light goes on. If it's been plugged in for days it goes off. I believe this indicates a full charge. The maintainer must have some sort of circuitry measuring voltage or current from the battery so as not to overcharge.
2108970
A few hours. A red light should come on when you plug it in to indicate it's charging and will go off when it's fully charged.
70077
There is a charging light that stays on while the battery is charging; the 'maximum charging' light does not stay on the entire time on mine, and mine works fine. So - maybe you should have yours checked out or return it..
1898282
When you plug in the battery the little green light will come on to let you know it's charging. When that light has turned off then the battery is fully charged and you can put a new one in.