[NSRCA-discussion] Landmark for e-pattern: >1C charging

[Robert Mairs]

Will it do 12A for 5S if it can do 6S at 10?


----- Original Message ----- 
From: "Dean Pappas" <d.pappas at kodeos.com>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Wednesday, March 15, 2006 10:59 AM
Subject: Re: [NSRCA-discussion] Landmark for e-pattern: >1C charging


> Hi Adam,
> The FMA BalancePro will go to 10A, for a 5S pack.
> I just double checked, it runs a full 10A up to 6S.
> Of course, I use two of them.
> Dean P. 
> 
> Dean Pappas
> Sr. Design Engineer
> Kodeos Communications
> 111 Corporate Blvd.
> South Plainfield, N.J. 07080
> (908) 222-7817 phone
> (908) 222-2392 fax
> d.pappas at kodeos.com
> 
> 
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Adam Glatt
> Sent: Tuesday, March 14, 2006 11:16 PM
> To: NSRCA Mailing List
> Subject: [NSRCA-discussion] Landmark for e-pattern: >1C charging
> 
> 
> http://www.rcgroups.com/forums/showpost.php?p=5182816&postcount=24
> That post is by Charlie Wang, head of Thunder Power.  Charlie has been 
> running cycle test experiments where he cycles Thunder Power Pro Lite 
> batteries with 2C and 3C charge rates, and 4C discharge rates.  His 
> experiments have convinced him that 3C charging of Thunder Power Pro 
> Lite batteries does not harm the batteries.
> 
> This is a major step for electric R/C.  Consider a situation with one 
> charger, two batteries, and 10 minute flights - low cost, typical 
> pattern and sport equipment.  Charge times are inside of 30 minutes.  
> Allowing 5 minutes for pack cool-down, it is possible to log 5 flights 
> in less than 2 hours.  In a pattern situation this isn't yet possible, 
> because it takes a 16A charger to charge the 5.3Ah pack at 3C and they 
> don't exist.  Using available chargers, two TP 1010's ($320-$400), two 
> TP 210 balancers ($140-$200), and four 5s4p5300 packs ($1100-$1300), the 
> time for 5 flights would be something like 130minutes.
> 
> 3C charging (currently 2C with pattern packs and available chargers) 
> allows you to fly just as much with fewer batteries.  That saves outlay 
> costs, if not cost per flight, and certainly reduces the length of time 
> you are stuck with current technology.
> 
> More good news from the electric world.
> 
> Those of you planning on charging at >1C, make sure you read Charlie's 
> post.  He gives specific guidelines and practices.
> 
> -Adam
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