The Pronto - Super Fast Charge Battery Bank

[Scheer]

Guys all phones use LiPos...it's the standard battery these days.

 

AFAIK, iPhones are the only phones to use LiPos. I'm sure there are a few others out there, but it is far from the standard. Nearly everyone else uses a different (and much safer) form of a lithium battery such as Li-Ion or LiFe.

 

 

Is LiPo that dangerous?

 

As long as you properly charge them, and never discharge them too much nothing bad will happen, but if something does go wrong, yes they are very dangerous.

 

[zanduh]

Like in that film where the woman picks up the phone and the bomb in the phone goes off at the side of her head and takes her head off. Yea just like that. But not the charger but the phone because the battery had been charged up at a higher wattage than it should have causing the battery to explode. 

 

Law Abiding Citizen. Fun movie that made like zero sense in the end

[kuddlesworth9419]

Law Abiding Citizen. Fun movie that made like zero sense in the end

I love that film all the way up until the end when they killed off the most interesting character in the film. They should have made him win at the end so they could spew out a whole bunch of films with him as the main vigilante. 

[A.D.A.M]

they use that in RC cars right? Also what makes LiPo so dangerous i've seen lithium metal burning in contact with water in chemistry class but thats about it

[bob345]

I don't believe their claims for a second. You wont charge a large lipo battery in 5 minutes without causing a fire.

[Thony]

Stop this BS and work on new battery types that dont suck ! Had the same battery type for way too long, its time for evolution or RIOT !

[Spannerhands]

Well this is interesting, nothing more than a shit generic power brick with bullshit claims...

 

Nothing on the PCB shown suggests anything else,  hope they have more than 4.7µH chokes on the larger version... 

 

PS the 4R7 Choke on the PCB shown on the video is a shit ass cheap piece of generic crap, so has been made cheap as possible... 

[Rohizzle]

Kind of worried about the battery charging it that quick... 

[Snickerzz]

but just because the charger is 60 watt, it doesnt mean that the phone can and or will take 60, more likely 1, 2, or 5, if its a table.

your phones a table?

[shawno]

I don't believe their claims for a second. You wont charge a large lipo battery in 5 minutes without causing a fire.

Doesn't fully charge the unit, charges it enough in 5 minutes to provide a full charge to a mobile, which given the size of the thing would probably be 1/8 full

[Scheer]

I don't believe their claims for a second. You wont charge a large lipo battery in 5 minutes without causing a fire.

 

Well I used to charge my 3,000 mAh 3s LiPos to full capacity in about 10 minutes, and that was years ago, I'd assume the technology is better now, plus I played it safe and charged at a lower amperage than I could have. The claim is enough for a full iPhone charge in 5 minutes, and IIRC a typical iPhone battery is a singe cell (1S, or 3.7V) ~3000mAh... so back in the day with my charger you could have done in it 3.33 minutes just fine (since the phone is 1 cell vs my 3 cell, so 1/3 the wattage required IF the cells are rated for it).

 

While it is somewhat related, voltage and capacity don't really have much to do with how fast you can charge a battery. Capacitors for example are a kind of battery that charge to 75-90% of their capacity in a split second. The "C" rating is what determines how fast you can charge and discharge. Its been a while since I messed with batteries much, take this with a grain of salt, but if I remember correctly.... The amperage rate you could charge was something like the Ah capacity times the C rating, so a 3Ah 30C battery could be charged at 90 amps. 3Ah (3000mAh) would mean when charging at 3 amps, it would take an hour to be fully charged... since it is a 30C battery you can do that 30 times faster without harming the battery if it is 30C in both charge and discharge that is, 30C is a common discharge, while the charge rate is usually lower, say 10C.

 

 

they use that in RC cars right? Also what makes LiPo so dangerous i've seen lithium metal burning in contact with water in chemistry class but thats about it

 

Yep, although LiFe are beginning to be used mainstream. I switched over to LiFe about 3 years ago after I had a LiPo go off on me, really hard to get though... had to bulk order 40 of them from China.

 

Honestly I don't know the reason why they explode, just that they do lol. All of the Lithium batteries will explode, not just LiPos, its just that its relatively easy to make a LiPo explode where the other ones you need to squeeze them in a vise or hit them with a hammer.

[Tonylu1595]

Do I see an improvised time bomb?