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HelicopterBeginners Corner › 5000mah 6S 35~70C Lipo Turnigy / Maintenance " Safety " Factor's
12-17-2015 10:34 PM  20 months agoPost 1
cccredit1

Heliman

Los Angeles

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I need a little help:
1. What is the max. voltage these batteries charge at my charger says 25.2 volts and I'm just a little scared when the battery says 22.2

2. I have a Blade 700X with a castle 120 esc and a Align 510Kv motor. How much flight time should i give myself

3.What rate should I discharge these batteries at.

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12-18-2015 11:50 AM  20 months agoPost 2
Richardmid1

rrProfessor

Leeds, England

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25.2v is the max fully charged voltage (4.2v per cell x6). 22.2v is the batteries nominal voltage (3.7v per cell x6).

Flight time depends how you fly and at what head speed. I'm guessing you are new to flying helis so you'll be mostly hovering around? If so you will only need around 1600 rpm so you should be getting 7-10 minutes. Start your timer at 6 minutes and recharge the packs taking note of how many mAh you put back in. You should stick strictly to the 80% rule which means only taking UPTO 80% of the packs capacity. If you run 2x 6s 5000mah packs you should be putting no more than 4000mah back into the packs (80%).

The 35-70C rating is how fast the packs can safely discharge, so 35C means 35x the capacity so if the capacity is 5000mah (5A) x35 = 175A continuously. Your heli won't pull anywhere near that so don't worry.

60% of the time, it works every time!

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12-29-2015 04:16 AM  20 months agoPost 3
bigdog714

Veteran

Rochester, MN U.S.A.

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Yep.....some good advice there. Remember too that hovering actually uses more power than flying. Be reserved on the initial timer settings and make sure to fly the full time you have set on the timer......it gives you more consistent data so you can increase the flight time accurately.

The 80 20 rule is the key to maximum battery life, also number your batteries so that you get equal flight time on them.

MD 800
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HelicopterBeginners Corner › 5000mah 6S 35~70C Lipo Turnigy / Maintenance " Safety " Factor's
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