3.7V Li-po Battery for SYMA S107 Original Factory Replacement Part S107G-19

Item Description

Has your Helicopter lost it's power. Will it no longer hold a Charge. This is a Factory Replacement 3.7v Li-Po Battery. Light Soldering is Needed.

Product Details

• Shipping Weight: 1 ounces (View shipping rates and policies)
• ASIN: B004KGTM90
• Amazon Best Sellers Rank: 538 in Toys ; Games (See Top 100 in Toys ; Games)
• 2 inToys ; Games Hobbies Radio Control Parts

By : Syma
Price : $5.05

Product Features

• 3.7v 150 mAh LI-Po Battery
• Original Factory Replacement
• In no way leave a Charging Battery Unattended

Client Critiques

I bought this battery to carry out some experiments with rising my flying time. This worked outstanding. I now common about 15-16 minutes flying time, and that is just until is begins to get a little weak. I could without difficulty go one other couple of minutes, but I do not want to push the batteries that challenging, and it's a lot a great deal more enjoyable flying with charged batteries.
This modification is protected and straightforward. This is considering that these cells use safety circuits to limit over discharge and over charge. There are a handful of precautions even though:
1. Use two batteries of equal age. This indicates a new battery in a new heli and a new replacement battery, or two new replacement batteries. Do not mix a new replacement battery with an old, worn out battery.
two. Use two batteries of equal charge - preferably discharged. This is not essential, but it is greater to commence with two discharged batteries so they don't have any considerable energy if you accidentally short some thing. Also, it just keeps every little thing in better balance from the start off.
3. Hook up the batteries in parallel - red to red and black to black. This doubles the battery capacity and increases the flying time. If you hook them up in series (end to end), you will double the voltage, which will burn out the motors if it does not fry the heli's circuit board (and you will not be able to charge them anyway).
This is how you make the modification. Very first, the new battery is quite possibly completely discharged, so fly your heli until the battery is discharged (unless you are using two new cells). Then splice the new battery in parallel with the battery in the heli. I located it easiest to just cut out the current battery, leaving about equal lengths of red and black wire. Then I trimmed the wires on the new battery to the exact same length. I then stripped and tinned all the wire ends. I then soldered the two batteries together, red to red and black to black. Applying the double sided tape that held in the old battery, I stuck them together. I then slid some heat shrink more than the wires coming from the heli. I then lap soldered the battery wires to the heli wires, red to red and black to black. I then slid up the heat shrink more than the solder joint and shrunk it. You could also wrap the wires together and cover them with tape, but that is probably tougher in the restricted space, and they won't hold as well as solder. Then I removed the weight taped in the nose of the canopy. Finally, you just locate the battery over the battery holder (see photo) and slide on the canopy - it really is a snug fit, so there is no need to have to tape down the battery.
With this very simple modification, you will double your flying time - or a great deal more. Every single battery has half the present becoming drawn from it, so they maintain a higher voltage for a longer time. It really is like the very first minute or two with a single battery, but for ten-12 minutes. Depending on how difficult you fly, even just after 14-15 minutes, you can nonetheless fly up to the ceiling. Soon after about 15-16 minutes, I commence to notice that the heli is losing trim and it is tougher to maintain lift. I could conveniently preserve going a further couple of minutes, even flying in ground effect, but why push the batteries that hard. The down side is that it would possibly take three hours to recharge employing the USB cable charger. So instead, I am applying the wall plug charger that takes about 1.five hours or less to completely charge the battery. The heli is also a tiny nose heavy, but I like that, and various individuals add nose weights anyway. With the heavy nose, you at all times have forward momentum, and I consider it really is less difficult to control. You can also go seriously quick in the forward path, but highly slow backwards and you cannot really hover. You can also add counter weights to the tail (like the weight from the nose) if you don't like it.
Some other notes on battery life:
1. I estimate that the heli draws about 1.2A to keep altitude.
two. Complete throttle draws about 1.5A max with a completely charged battery, but typically about 1.35-1.4A.
3. Operating the tail motor draws a further .2-.25A.
four. The LED only draws about 12mA, or only 1% of your average existing.
So you see, if you just retain altitude, drift forward, and only turn right and left, you only draw abut 1.2A. But if you are regularly zipping up and down and forward and backward, you are drawing about 1.65A. I am probably someplace in the middle and I get a wonderful 15-16 minutes. Your results may possibly differ.
-Cheers

This was a replacement battery for a Syma 107 that had over 100 flights. Hope
the new 1 lasts as extended. Crucial thing, with these batteries let them cool before
and immediately after charging.