110v Charger for SYMA Mini Helicopters S107 S105 S009 and others
Item Description
Charge your Syma helicopter with out getting to drain your transmitter batteries or use a computer system in much less time. This charger will not perform effectively on Fake Syma S107 do to the reality they are wired diffrently
Product Details
- Shipping Weight: 10.1 ounces (View shipping rates and policies)
- ASIN: B004DETSN4
- Amazon Best Sellers Rank: 26 in Toys ; Games (See Top 100 in Toys ; Games)
- 1 inToys ; Games Hobbies Radio Control Accessories Battery Chargers
By : Syma
Price : $4.00
Item Capabilities
- 110V Charger for Syma Mini Helicopters
- Can be used on Syma Helicopters with smaller white Charging Plug
- More rapidly Charging with less Battery Drain on Transmitter.
Consumer Evaluations
The charger has a fixed plug for North American outlets. The input is rated 100-240VAC, 50-60Hz. The output is rated 4.2VDC, 350mA (it really is about 4.6VDC open circuit). There is an LED that lights dark yellow for the duration of charge, and green when charge is total and when no battery is connected.
The LED basically starts to turn into a lighter yellow when the battery reaches four.1V, a lighter yellow-green at four.15V, and is green at four.2V. If you only charge to 4.1V, you will get far more cycles but if you charge to 4.2V, you get a longer flight time - it fundamentally averages out.
In the course of my testing, this charger only put out its rated output on incredibly discharged batteries and just for a minute. It is normally only placing out about 250mA immediately after five minutes, with the battery at about three.87V. The battery will reach four.1V immediately after about 40 minutes. It takes a further 15 minutes to reach 4.2V, which could possibly give you an additional minute flight time.
So you can see why I'm a small dubious about persons claiming that this charges their battery in 15-20 minutes. If correct, I have to assume their batteries are old and only give a couple of minutes flight time. I quite often get about 7-8 minutes.
Nonetheless, this will charge the battery 20-40 minutes quicker than the USB cable charger, and the LED gives a reputable indication of when the battery is filly charged. I am only giving it three-stars for the reason that the output is weak (which is quite possibly fantastic for a single 150mAh battery - I use 2 in parallel for 300mAh, with a 1.five hour charge time, and a 15-16 minute flight time), and it would be nice if the voltage was restricted to four.2V to decrease overcharging the battery.
I also measured the USB cable charger. It puts out about 250mA max, and the open circuit voltage is about 4.6V. The battery reaches four.1V in about 60 minutes, and 4.2V in about 85 minutes. The USB plug will start off an occasional dim blink at about three.93V and 35 minutes a dim glow/blink at about three.96V and 40 minutes and a dim glow at about three.99V and 45 minutes. The glow will get brighter as the voltage increases. Soon after about two hours, the battery voltage is four.3V and climbing.
With either the wall plug charger, or the USB cable charger, considering the fact that they both have an open circuit voltage of 4.6V, I can only assume the battery will maintain escalating in voltage until the safety circuit in the battery cuts off the charge. This might ultimately defend the battery from failure, but is nonetheless not decent to charge LiPo batteries more than 4.2V. Do not leave the battery on either charger for extended periods.
This charger is brilliant. When I charge with the USB it takes about 1hr. This charger cuts it down to about 20-25 minutes. This truely lets you use your helicopter extra. Nicely worth it and a wonderful addition to the S107
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