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Old Feb 04, 2013, 12:27 PM
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Help!
one cell battery tester

Hi guys
What do you use to check the one cell batterys for parkzone micros to see what level of a charge they have?
Rich
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Old Feb 04, 2013, 12:44 PM
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http://www.hobbyking.com/hobbyking/s...l_checker.html

I use one of these with an appropriate adapter depending on the battery. It is pretty accurate for a go no go decision.
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Old Feb 04, 2013, 03:17 PM
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for 1 cell i use a cheapo multimeter.
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Old Feb 04, 2013, 06:48 PM
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Quote:
Originally Posted by pohlmeyr View Post
http://www.hobbyking.com/hobbyking/s...l_checker.html

I use one of these with an appropriate adapter depending on the battery. It is pretty accurate for a go no go decision.
I have one similar to this but don't have an adapter for the 1s lipo did you get your adapter from hobby king?
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Old Feb 04, 2013, 06:59 PM
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no i just soldered one together for the 1s batteries
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Old Feb 04, 2013, 07:14 PM
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United States, VA, Fluvanna
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Quote:
Originally Posted by pohlmeyr View Post
http://www.hobbyking.com/hobbyking/s...l_checker.html

I use one of these with an appropriate adapter depending on the battery. It is pretty accurate for a go no go decision.
Me too.
To make get a 2S balance extender and a UM battery connector (or a bag of 10 pico extenders from HK).

Cut the wires so that you have a battery connector that mates the UM battery and a 2S balance plug that mates with the battery tester.

Cut off the red wire from the 2S balance lead.

Solder black wires together and cover with heat shrink.

Solder the (white on mine) positive wire of the battery connector to the center wire (green on mine) of the balance lead and cover with heat shrink.

Connect to tester as usual, negative (black wire) on pin 1.

The tester must be able to check voltage for 1S though. Only half of the ones I've come across will check 1S. If it says it supports 2S-6S don't be surprised if it doesn't work.
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Old Feb 04, 2013, 07:30 PM
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Quote:
Originally Posted by GooberSB View Post
Me too.
To make get a 2S balance extender and a UM battery connector (or a bag of 10 pico extenders from HK).

Cut the wires so that you have a battery connector that mates the UM battery and a 2S balance plug that mates with the battery tester.

Cut off the red wire from the 2S balance lead.

Solder black wires together and cover with heat shrink.

Solder the (white on mine) positive wire of the battery connector to the center wire (green on mine) of the balance lead and cover with heat shrink.

Connect to tester as usual, negative (black wire) on pin 1.

The tester must be able to check voltage for 1S though. Only half of the ones I've come across will check 1S. If it says it supports 2S-6S don't be surprised if it doesn't work.
I just looked I have extra battery connector and bad 2s battery so I could use that lead. Then looked an my tester says 2s-6s uggh.. I still gonna try it if nothing else some more soldering experience.. Thanks for the help guys. If mine doesn't work I will grab a 1S not like another one going to break the bank.
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Old Feb 04, 2013, 07:40 PM
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Be sure to cut the balance lead one wire at a time. The shock wouldn't hurt but if it catches fire you have a bigger problem.
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Old Feb 04, 2013, 08:24 PM
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Originally Posted by GooberSB View Post
Be sure to cut the balance lead one wire at a time. The shock wouldn't hurt but if it catches fire you have a bigger problem.
Thanks for the heads up!
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Old Feb 04, 2013, 09:08 PM
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Originally Posted by GooberSB View Post
................ The shock wouldn't hurt but if it catches fire you have a bigger problem.
Shock??? You won't get a shock from a one cell LiPo!! Now, a 10s LiPo pack will cause a tingle...... (37 volts, which in the EU is considered a lethal voltage).. But thankfully, we in the US are a lot smarter. No one ever heard of anyone getting electrocuted from a LiPo pack. But wait as the herd thins............................
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Old Feb 05, 2013, 08:19 AM
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Most cheap testers won't work on less than 2S....but you can always just add two connectors and test two batteries at a time. That's what I do .

Steve
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Old Feb 05, 2013, 11:29 AM
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Originally Posted by slipstick View Post
Most cheap testers won't work on less than 2S....but you can always just add two connectors and test two batteries at a time. That's what I do .

Steve
Yes, this one costs a little more (it's $5) http://www.hobbyking.com/hobbyking/s...ker_Alarm.html

I have one and use it sometimes. The alarm is so darn loud though,.
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