Price of Chargers..
- Thread starter runonpre
- Start date
wesnewell
100 GW
Because there's a sucker born every minute.
http://www.ebay.com/sch/i.html?_trksid=p2050601.m570.l1313.TR9.TRC2.A0.H1.X48v+charger&_nkw=48v+charger
http://www.ebay.com/sch/i.html?_trksid=p2050601.m570.l1313.TR9.TRC2.A0.H1.X48v+charger&_nkw=48v+charger
dogman dan
1 PW
I would need to know more, before I would say you need a 35 dollar charger with a label on it that cost another $100 more.
A very nice charger can be bought for closer to $70, and adjusted to your voltage and amperage needs.
And a cheap one for $30 or so may do fine. Tell us what you have, with links so we don't have to hunt. We need to know if you need a lead charger, or a lithium one. If lithium, we need to know more about it.
We'll help you pick a charger much cheaper. But it won't say Currie on it.
A very nice charger can be bought for closer to $70, and adjusted to your voltage and amperage needs.
And a cheap one for $30 or so may do fine. Tell us what you have, with links so we don't have to hunt. We need to know if you need a lead charger, or a lithium one. If lithium, we need to know more about it.
We'll help you pick a charger much cheaper. But it won't say Currie on it.
z50king
100 mW
You are running out of power on the way home? How heavy is the charger you are using at home? Are you charging at work?
dnmun
1 PW
battery is too small, but since there is no description or pictures there is no way to know anything to offer advice.
dogman dan
1 PW
Sorry to be a dick about it, but have you any idea how many google searches a day some of us do? And how often what we find on the net is not quite what the dude actually has?
Tell us what the battery is, and we can be quite helpful. Battery chemistry is what we need. Some lithium charges to 60v "48" and others to 56-58v.
Chances are, what you need is a lithium charger, set to 58v. Should be a wide selection of them on E bay. But you will need to also put a new plug on the charger, or on your battery.
Even currie brand, somebody has to be selling it cheaper than that. Happy hunting.
Tell us what the battery is, and we can be quite helpful. Battery chemistry is what we need. Some lithium charges to 60v "48" and others to 56-58v.
Chances are, what you need is a lithium charger, set to 58v. Should be a wide selection of them on E bay. But you will need to also put a new plug on the charger, or on your battery.
Even currie brand, somebody has to be selling it cheaper than that. Happy hunting.
Skedgy Sky
100 W
I've never used an actual standalone ebike charger - the first kit I ever bought came with one - but I never used it... I think it was a 48V kit and the charger put out 56V?
Anyway:
I bought myself some regulated power supplies with voltage adjustment instead and set them to desired voltage. (Also had balance chargers for balancing needs).
...Not taking a chance with any of these hong kong chargers. ...if they're labeled 48V, you might think that's what you need for your 48V battery configuration... but they'll give like 52V and either overcharge or won't charge your battery to full.
Back then if I had used this "48V charger" with my 12S LiPo configuration, it would have overcharged it as 100% state of charge voltage for LiPo is 50.4V (The "48V" charger would have charged it to 52V).
With an adjustable power supply you can tune the voltage down to the tenth of a volt of your battery's 100% state of charge voltage (or 90% if you want it to last longer). These adjustable power supplies may require a little bit of modding, but it's pretty easy.
http://www.ebay.com/sch/i.html?_odkw=48v+charger&_osacat=0&_trksid=p2045573.m570.l1313&_nkw=48V+power+supply&_sacat=0&_from=R40
(there are 12V, 36V, and possibly other variations to choose from)
...if the charger output happens to match whatever you're charging your battery up to, then I guess there's nothing wrong with using chargers specifically advertised for ebike or escooter use.
Anyway:
I bought myself some regulated power supplies with voltage adjustment instead and set them to desired voltage. (Also had balance chargers for balancing needs).
...Not taking a chance with any of these hong kong chargers. ...if they're labeled 48V, you might think that's what you need for your 48V battery configuration... but they'll give like 52V and either overcharge or won't charge your battery to full.
Back then if I had used this "48V charger" with my 12S LiPo configuration, it would have overcharged it as 100% state of charge voltage for LiPo is 50.4V (The "48V" charger would have charged it to 52V).
With an adjustable power supply you can tune the voltage down to the tenth of a volt of your battery's 100% state of charge voltage (or 90% if you want it to last longer). These adjustable power supplies may require a little bit of modding, but it's pretty easy.
http://www.ebay.com/sch/i.html?_odkw=48v+charger&_osacat=0&_trksid=p2045573.m570.l1313&_nkw=48V+power+supply&_sacat=0&_from=R40
(there are 12V, 36V, and possibly other variations to choose from)
...if the charger output happens to match whatever you're charging your battery up to, then I guess there's nothing wrong with using chargers specifically advertised for ebike or escooter use.
dnmun
1 PW
Skedgy Sky said:
none of this is good advice. if your battery requires 50.4V to reach full charge then that is what you should use. if the battery requires 58.4V to reach full charge that is what you should use. you cannot just make generalities about charging voltages. especially since you do not appear to use a BMS or balancing charger. if you never got the full charge out of the headways it is because you improperly charged them or damaged them by over discharging or overcharging without a BMS to protect them.
Skedgy Sky
100 W
I thought the first couple things you said were things I said in my post.
..if I came off as saying something else than what I meant, it's probably because I didn't read over or make myself clear.
To reiterate: Yes, if battery requires 50.4V to reach full charge.. that's the charger to use.
My only other point was that you can charge up to 49V (little less than 100% of each cell in your pack charged voltage) or something like that (90% capacity as an example), and your batteries will last a lot longer than if you were to charge to full pack voltage each time.
I don't use headways.
evolutiongts
10 kW
I need a charger as well, my 4A 48v li-ion charger blew a mosfet. It tops out at 54.6v, but chargers are so expensive! Over $100 from electric rider and I only paid $410 for the 48v 15AH battery with charger!
dogman dan
1 PW
Ebay tends to have affordable chargers. In general, look for a "kingpan" 5 amps type. They will have an adjustable voltage and amperage output. So with one of them, you can adjust to the kind of 48v or 36v you need for your particular battery, and your desire to undercharge if you do that. Undercharge a bms equipped pack, and it will never get a balance charge.
Then you dial it in for what you need.
EM3ev is another very good place to get an adjustable charger. Not so cheap though, for good ones. His have a switch for storage charge, undercharge, or full charge.
No way you should pay $100 for a cheap plastic box charger.
Then you dial it in for what you need.
EM3ev is another very good place to get an adjustable charger. Not so cheap though, for good ones. His have a switch for storage charge, undercharge, or full charge.
No way you should pay $100 for a cheap plastic box charger.
dogman dan
1 PW
Here is a 300w 48v charger that is very likely to have the voltage adjustment.
http://www.ebay.com/itm/300W-Alloy-48V-LiFePO4-Lithium-Ion-Ebike-kit-socket-golf-cart-battery-Charger-/221414690221?pt=LH_DefaultDomain_0&var=&hash=item338d580dad
This is the Kinpan type, but it's $100 from this seller.
http://www.ebay.com/itm/LiFePO4-48V-5Amp-Charger-Quick-Charger-The-applicable-iron-lifepo4-battery-PBD03-/221424020856?pt=Battery_Chargers&hash=item338de66d78
http://www.ebay.com/itm/300W-Alloy-48V-LiFePO4-Lithium-Ion-Ebike-kit-socket-golf-cart-battery-Charger-/221414690221?pt=LH_DefaultDomain_0&var=&hash=item338d580dad
This is the Kinpan type, but it's $100 from this seller.
http://www.ebay.com/itm/LiFePO4-48V-5Amp-Charger-Quick-Charger-The-applicable-iron-lifepo4-battery-PBD03-/221424020856?pt=Battery_Chargers&hash=item338de66d78
dogman dan
1 PW
One like this is almost certain to be set to 56-58v. And I have not heard of these having the adjustment pot.
BMS battery might have a good deal, if they don't stick it to you too bad on the shipping.
BMS battery might have a good deal, if they don't stick it to you too bad on the shipping.
dnmun
1 PW
i have a bunch of the headway 48V 3.3A chargers if someone wants one. they are super quiet too. but fixed 58.4V output but maybe it can be tweaked if we looked inside but i have never tried it.
Synon
10 W
I'm also trying to get recommendations on chargers. I'll be using a 12s12p 18650 battery from laptop cells (48v bike but plan to charge batteries to 49.2v or about 4.1v per cell) and want to be able to balance charge. I've got a 750W PSU from a compute to power it, price is not my primary concern, if it will be a better/faster charger I'm willing to pay more. Any suggestions or need more info?
cal3thousand
10 MW
Synon said:
Thunder 1220 has been popular lately since it can do 12S and costs about $100. You have the PSU, so that's all you'd need to balance charge.
I have an iCharger 4010 Duo and although it can do 20S, it is actually 2 10S channels, so a 12S pack is difficult to set up unless you have easy access to split the pack into 6S halves.
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