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HelicopterTools and Field Equipment › Need help for my field battery
11-30-2007 05:19 PM  9 years agoPost 1
lnverted

rrNovice

Markham, Ontario - Canada

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Right now I bring a large garden lawn mower battery to the field to charge all my batteries for my RX and T-rex Lipos since i don't have a car (not legal age to drive yet).

It looks like this:

http://www.canadiantire.ca/browse/p...408474396672457

I would like something that is lighter, non leaking, high capacity battery that can charge my batteries.

Can you please recommend me a battery that fits this description?
How do you charge your battery?

THANKS!!

Ben

Uh..... I swear the ground wasn't there before.....

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11-30-2007 06:01 PM  9 years agoPost 2
3dee

rrNovice

south east england

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I am not sure that you can get them in th US but I use 12v gel cells made for invalid buggies. in UK I wire two together to give me 24v and use a dynatron starter to start my raptor 90se they are deep cycle cells which makes them last along time I think they are about 15ah so i only charge them once a month. they are not as big as your tx but weigh more. hope this helps.

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11-30-2007 06:29 PM  9 years agoPost 3
Ted Toth

rrElite Veteran

Myrtle Beach S.C.

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A local electrician maintains a computer server center and

he replaces large UPSbatteries like these

http://batterysupplyco.com/12ce100.html

on a regular basic and moves them for $10

I keep One at home and the truck for my Triton peak charger

kinda of heavy but they hold a charge for some time

These are just larger versions of Home and Office APC computer

sealed back up units

.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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12-06-2007 10:52 PM  9 years agoPost 4
J murf

rrApprentice

Ireland

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i use a battery from a electric golf trolly i have two of then 12volt 30ah each which gives 60 ah and charge them with the original golf charger its automatic i just leave it connected all the time.

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12-07-2007 12:24 AM  9 years agoPost 5
Zaneman007

rrElite Veteran

Texas - USA

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I use a lawn mower battery. I wouldn't call it large. It carry it in a standard sized plastic tool box. I have it hooked into an Accu-Glow Power panel MKII. It has an input for a remote glow, starter, and fuel pump.

I charge it once a month if that.

Old Guys Rule!

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12-07-2007 12:59 AM  9 years agoPost 6
wlfk

rrVeteran

uk

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It strikes me that there's a difference in what you're doing with the batteries. If you're charging flying packs you'll actually use quite a lot of juice.

A T-Rex battery takes about 2 amp-hours at 12V so if you want many charges, you'll actually want something reasonably substantial. Work out how many charges you want in a day, multiply that by 3, and get a 12V gel-cell (sealed lead acid battery) with that capacity.

K

A bit like a kite, but 500 times more expensive

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12-07-2007 02:08 AM  9 years agoPost 7
Zaneman007

rrElite Veteran

Texas - USA

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I'm bad.

We have a power outlet at our field. So I bring my charger, but the real answer is more batteries.

Old Guys Rule!

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