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Originally Posted by RC*PHREAK
(Post 15167326)
i remember when 40a was a lot. now it's 70 or bust!!!!
( it's hard to convey across text but I like your brand of sarcasm) |
Originally Posted by Darkgenerals
(Post 15167139)
400 watts at 12 v isn't the same as 400 watts at 120 volts.
A 700 watt power supply at full tilt is only pulling 10 amps on the mains cable. Plus at big events your going to have waves of people charging, not everyone all at the same time. Roelof your lucky in Europe with 220, your going to be pulling about half the amaprage us poor Americans have to pull. So our 700 watt ups would be about 5 amps at the mains. Also, your math seems off. 700W on 220V is about 3A, and on 120V is close to 6A. |
On a Dutch RC forum there was once a talk about a report from the fire brigate why it was difficult to fight a fire of a car. After an investigation they find out the hybrid powered car had lithium batteries and the fire brigade did not had the right stuf to get it out. They concluded there was not enough information about lithium fires.....
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10 plus years of production.. and the number of major Fires caused by burning lipo..? . personally I know of ONE... an it was 10 years ago... except for the lost of the battery and a burn spot on the table ( indoors ).... |
Originally Posted by chuck_thehammer
(Post 15167866)
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10 plus years of production.. and the number of major Fires caused by burning lipo..? . personally I know of ONE... an it was 10 years ago... except for the lost of the battery and a burn spot on the table ( indoors ).... |
Originally Posted by chuck_thehammer
(Post 15167866)
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10 plus years of production.. and the number of major Fires caused by burning lipo..? . personally I know of ONE... an it was 10 years ago... except for the lost of the battery and a burn spot on the table ( indoors ).... |
Originally Posted by peter george
(Post 15167230)
Tracks sometimes have limits and rules but u can't stand over people's head and police everybody. At some point you gotta trust that people will be smart enough to do the right thing but there's always exceptions . Those who do break the rules and get cought should get a time out from track the first time and banned after that. There is no good reason to create fires with unhealthy fumes for the rest of us to breath in and disrupt our day off playing with our toy race cars .
Larrys RC had 3 in 2 months the enacted Rules not more than 2 C charge rates. |
For sure the guys who switch their charger(s) off when not using them are the ones to keep in sight.
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Originally Posted by Roelof
(Post 15168400)
Samsung Note 7 !?
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Why would a 40 amp charge rate be considered dangerous? The battery manufacturer sets the recommended max charge rates that are safe for the pack so as long as 40 amps is within that range then there's no real danger outside of the inherent danger of LiPo packs in the first place.
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Originally Posted by Xpress..
(Post 15168865)
Why would a 40 amp charge rate be considered dangerous? The battery manufacturer sets the recommended max charge rates that are safe for the pack so as long as 40 amps is within that range then there's no real danger outside of the inherent danger of LiPo packs in the first place.
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Originally Posted by Xpress..
(Post 15168865)
Why would a 40 amp charge rate be considered dangerous? The battery manufacturer sets the recommended max charge rates that are safe for the pack so as long as 40 amps is within that range then there's no real danger outside of the inherent danger of LiPo packs in the first place.
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Originally Posted by the rc guy
(Post 15168884)
A list of LIPOs that require a 40 amp charge rate. that are 4900mah?
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Originally Posted by gigaplex
(Post 15168892)
Even the high current lipo packs such as Protek that advertise being capable of 10C charge rates recommend sticking to 1C. 40A is a lot of current for such small batteries.
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