[aprssig] Batteries for standalone trackers

Tim McDonough N9PUZ tim.n9puz at gmail.com
Mon Feb 20 16:53:24 CST 2012

I fly smaller RC airplanes in addition to my Ham Radio hobbies. Hobby 
King has a very similar LiPo pack to the ones listed below at around 
$8.25 each. I have three of them and they work well. They also make nice 
power sources for small QRP rigs.


Quick shipping from their USA warehouse.


On 2/20/2012 4:19 PM, Rob wrote:
> On 21/02/12 05:54, Andrew Rich wrote:
>> Taking a tracker on a boat and a plane.
>> Any good suggestions of battery technology ?
>> Are radio control battery packs a good option ?
>> Little GELL CELL ?
> Andrew, I've been using SLA, NiMH packs and LiPo packs and I found the
> LiPos to be the best. The energy to weight ratio is the best choice of
> the three. SLA are too big and heavy.
> I bought generic LiPos from DFRobot like this one
> <http://www.dfrobot.com/index.php?route=product/product&path=70&product_id=489>
> and from Sparkfun like this one
> <http://www.sparkfun.com/products/10471>. The 7.4v work fine on
> OpenTracker. You'll need to check the specs of the GPS if it's not
> operating on the OT 5v regulator.
> I bought a generic automatic LiPo charger from a local RC shop which can
> do 1 to 4 cells and operates from a 12v supply.
> --
> Rob, VK6UFO, VK6RN
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