SMALL - espritmodel.com SMALL - Telemetry SMALL - Radio
Reply
Thread Tools
Old May 25, 2007, 10:47 PM
Registered User
United States, CA, Northridge
Joined Apr 2004
93 Posts
Discussion
Whats the best lipo charger to charge multiple packs?

Whats the best lipo charger to charge multiple packs?
I have built a harness for an Astro 109 ,but it won't complete the last charge cycle when charging more than one pack with mutiple balancers (Blinky,Common Sense).
Marc
marcwv is offline Find More Posts by marcwv
Reply With Quote
Sign up now
to remove ads between posts
Old May 25, 2007, 10:52 PM
Registered User
Challenger 413's Avatar
Dickinson, Tx.
Joined Sep 2004
5,359 Posts
Why don't you just balance after the last "cycle" of charge?

Challenger413
Challenger 413 is offline Find More Posts by Challenger 413
Reply With Quote
Old May 26, 2007, 10:28 AM
Registered User
United States, CA, Northridge
Joined Apr 2004
93 Posts
I didn't think of that because I thought the best way was to have the balancer attached during the whole charge cycle.
Do you get as good results just balancing before or after charging the lipos?
marcwv is offline Find More Posts by marcwv
Reply With Quote
Old May 26, 2007, 11:52 AM
Registered User
Challenger 413's Avatar
Dickinson, Tx.
Joined Sep 2004
5,359 Posts
I read many posts about the non-benefits that balancing a pack after a cycle (flight) so I stopped and only balance during a charge.

When I am parallel charging (4) 4S1P 2100 or 3S1P 2100 packs at the same time when (I am in a hurry), I will use the (2) LB6A's as "bleeders" where I will charge thru the Deans and switch the balancers between packs. If I am only parallel charging (2) packs, then I will balance charge thru the LB6A's.

There are problems associated with using them as bleeders where a cell could still be over charged, but I am willing to take that risk, also I am charging at 1.75 amps on each 2100 pack as my 109 will max out at 7.55 amps, I back it down to 7 amps when parallel charging (4) packs at the same time.

Challenger413
Challenger 413 is offline Find More Posts by Challenger 413
Reply With Quote
Old May 26, 2007, 05:02 PM
Registered User
United States, CA, Northridge
Joined Apr 2004
93 Posts
Sorry for my electronic ignorance. What is a Bleeder?
LB6A's? Is that either the Blinky or Common sense balancer?
marcwv is offline Find More Posts by marcwv
Reply With Quote
Old May 26, 2007, 07:00 PM
Registered User
Probedude's Avatar
Ventura, CA
Joined Jul 2006
1,854 Posts
Polycharge4
4 independent (though not isolated from each other) charging circuits.
Probedude is offline Find More Posts by Probedude
Reply With Quote
Old May 26, 2007, 07:07 PM
Registered User
Challenger 413's Avatar
Dickinson, Tx.
Joined Sep 2004
5,359 Posts
Quote:
Originally Posted by marcwv
Sorry for my electronic ignorance. What is a Bleeder?
LB6A's? Is that either the Blinky or Common sense balancer?
The "Hyperion LB6A" can be used 2 different ways:

1) You can charge thru the balancer to packs balancer tap,

2) You can charge directly to the main taps and use the balancer as a voltage bleeder like the "Blinky" is.

Challenger413
Challenger 413 is offline Find More Posts by Challenger 413
Reply With Quote
Old May 26, 2007, 07:26 PM
A Clinger
rclark's Avatar
Butte, MT
Joined Sep 2001
7,073 Posts
Quote:
only balance during a charge.
me too.

I don't know what the best is, but the Poly4 has been working great for me. I use the 109 to check packs once in awhile, but for general purpose charging the Poly4 is hard to beat for 2 or 3 cell packs.
rclark is offline Find More Posts by rclark
Reply With Quote
Old May 26, 2007, 07:29 PM
Make 'n Break!!
roosevelt's Avatar
Walled 'tucky, MI. USA
Joined Apr 2006
1,766 Posts
I use the accu cycle elite charger. It does 2 at once up to 3s. I also use the csrc ultra balancer. It's kinda like the blinky. I balance before or after a cycle. I did try balancing during a charge but it took forever to "peak". due to the constant change in voltage or something. Blinky going on and off, charger going on and off it was all screwed up. I didn't like it and it seemed like a waste of good electricity. It was also hard to determine how much went back into my packs due to the constant bleed during the charge cycle. Once my charger timed out so I quit balancing during charging.
roosevelt is offline Find More Posts by roosevelt
Reply With Quote
Old May 26, 2007, 08:32 PM
Registered User
Challenger 413's Avatar
Dickinson, Tx.
Joined Sep 2004
5,359 Posts
If I needed a new charger, I think I would buy the "Extrema" as it is A123 ready and has a temp. probe. It is not a balancer charger, but since I have (2) LB6A's, I really don't need one.

Challenger413
Challenger 413 is offline Find More Posts by Challenger 413
Reply With Quote
Old May 26, 2007, 09:53 PM
Registered User
Joined May 2007
1 Posts
FMA direct cellpro and balance pro chargers will charge packs that are 12C+ at 3C. Thats 90% in 20 minutes, 100% in 28 minutes...so its kinda like you could charge two to three packs in the same time..just not at once.
GigaahX is offline Find More Posts by GigaahX
Reply With Quote
Old May 26, 2007, 11:54 PM
Hey ya'll watch this!
OneHump's Avatar
Danville, CA
Joined Mar 2002
361 Posts
Quote:
Originally Posted by GigaahX
FMA direct cellpro and balance pro chargers will charge packs that are 12C+ at 3C. Thats 90% in 20 minutes, 100% in 28 minutes...so its kinda like you could charge two to three packs in the same time..just not at once.
That's a bit misleading. The 4S is a 4A charger, so you could theoretically do a 2100MaH @ ~2C, but the charger ramps up during charging and ramps down during balancing. The charge time does not directly correllate to the capacity added to the pack, and is not linear. It actually sits at 100% and 4.2v per cell for 5 minutes or more before beeping "complete".

The CellPro is a fine charger, but it's not going to work miracles and charge everything @ 3C.
OneHump is offline Find More Posts by OneHump
Reply With Quote
Old May 27, 2007, 05:52 PM
Registered User
United States, CA, Northridge
Joined Apr 2004
93 Posts
What website can I go to for the LB6A -LB10A?
marcwv is offline Find More Posts by marcwv
Reply With Quote
Old Aug 29, 2007, 02:31 AM
Registered User
Joined Aug 2007
119 Posts
What would be the best charger for 11.1V lipo 2500 mah?
Whistler71 is offline Find More Posts by Whistler71
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Sold Great Planes PolyCharge4 Lipo Charger- charge 4 packs at a time Etonic Aircraft - Electric - Batteries & Chargers (FS/W) 7 Oct 24, 2006 07:24 PM
For Sale Great Planes PolyCharge4 Lipo Charger- charge 4 packs at a time Etonic Aircraft - Electric - Batteries & Chargers (FS/W) 2 Mar 20, 2006 07:59 PM
Lipo Charger that will charge multiple packs? Tram Batteries and Chargers 23 Apr 06, 2005 09:23 AM
The best Lipo charger ? eflight_747 Batteries and Chargers 12 Jul 27, 2003 10:32 PM