Search found 8339 matches

by 999zip999
Jan 22 2019 11:05am
Forum: E-Bike Technical
Topic: I broke a bolt in my hub motor. How do I get it out?
Replies: 2
Views: 59

Re: I broke a bolt in my hub motor. How do I get it out?

You can get away with one less srew if 7 or more on cover. If you are going extract file the top of the shank flat. With a center punch find the very center of the screw you need to use a center punch before you try to drill a small hole. Now one size bigger if needed . The extractor must be straigh...
by 999zip999
Jan 19 2019 12:26am
Forum: Battery Technology
Topic: Charging amps through JST balance wires
Replies: 44
Views: 598

Re: Charging amps through JST balance wires

Thank you sir as it makes a different. A s witchb of 120ah cell. Ok charge at 6v for a few of what. Or at the begging. And middle pf charge cycle or middle. But never end of cycle as judge by voltage at end of cycle or top of cycle or voltage at 4.19volt. Or 4.25v if happens. Moss No mass for you be...
by 999zip999
Jan 18 2019 10:05pm
Forum: Battery Technology
Topic: Charging amps through JST balance wires
Replies: 44
Views: 598

Re: Charging amps through JST balance wires

What the problem what battery have are we been talking about ? Lipo 18650 or used lap tops what"s up ?
How in the world can we help you ?
by 999zip999
Jan 18 2019 11:32am
Forum: Battery Technology
Topic: Charging amps through JST balance wires
Replies: 44
Views: 598

Re: Charging amps through JST balance wires

Let us know what exact battery we talkin about. Brand , age how did you find it. History.
by 999zip999
Jan 17 2019 8:28pm
Forum: Battery Technology
Topic: Charging amps through JST balance wires
Replies: 44
Views: 598

Re: Charging amps through JST balance wires

Yes if won't hold a charge voltage. Bad.
by 999zip999
Jan 17 2019 8:25pm
Forum: Battery Technology
Topic: Charging amps through JST balance wires
Replies: 44
Views: 598

Re: Charging amps through JST balance wires

You can get a phone charger and charge the one cell. Check the charger for real voltage and you must seat and watch so it will nevergo over 4.18volts. So you Must seat and monitor. Because as soon as you light up it will over charge . Bad very bad. Just reading the printed label on the charger is no...
by 999zip999
Jan 17 2019 11:32am
Forum: Battery Technology
Topic: LFP mobile House bank - xSyP serial vs parallel design thoughts
Replies: 38
Views: 622

Re: LFP mobile House bank - xSyP serial vs parallel design thoughts

You are talking about 180ah this size cell has alot of stored energy and can be very dangerous when you're hooking them up in series. They must be of equal voltage and then all parallel to equalize. Frist so all are of same voltage. Let rest for a day or more and see if you have a leaker.Then can be...
by 999zip999
Jan 16 2019 3:34pm
Forum: Battery Technology
Topic: LFP mobile House bank - xSyP serial vs parallel design thoughts
Replies: 38
Views: 622

Re: LFP mobile House bank - xSyP serial vs parallel design thoughts

What LFP cells ? Many different types. So are we talking 48v now ?
by 999zip999
Jan 16 2019 3:12pm
Forum: Battery Technology
Topic: LFP mobile House bank - xSyP serial vs parallel design thoughts
Replies: 38
Views: 622

Re: LFP mobile House bank - xSyP serial vs parallel design thoughts

parallel than series Lifepo4 is great. This way you can ez monitor. Why not LTO cheap last a long time. The new stuff. Look up the threads here on E.S. Buy quality very little failure rate. quality. You will be using a bms.
by 999zip999
Jan 14 2019 3:49pm
Forum: E-Bike Technical
Topic: Unusual Motor Behavior-Who has seem this???
Replies: 24
Views: 418

Re: Unusual Motor Behavior-Who has seem this???

Loose connection or loose crimp or back out pin. Back solder joint.
by 999zip999
Jan 14 2019 2:59pm
Forum: Battery Technology
Topic: Building a high Amp output battery question
Replies: 37
Views: 630

Re: Building a high Amp output battery question

The hard part is making a series buss bars to handle the current in the 18650 format.
by 999zip999
Jan 14 2019 2:53pm
Forum: Items for Sale - New
Topic: JP spot welder
Replies: 1164
Views: 145060

Re: JP spot welder

After having a battery fire that pack scares me.
by 999zip999
Jan 14 2019 10:56am
Forum: Battery Technology
Topic: Building a high Amp output battery question
Replies: 37
Views: 630

Re: Building a high Amp output battery question

I saw your packs and like them but hard to fit on my style bike and a little heavy.
by 999zip999
Jan 13 2019 2:38pm
Forum: Battery Technology
Topic: 14....or 16s balance charger?
Replies: 13
Views: 239

Re: 14....or 16s balance charger?

12s just buy a cheap 6s RC charger and have two 6s sense wire and a neg and pos at the middle for the charger. As they should all be close in voltage to start with. You are the bms and monitor, monitor, monitor, I wear out the 4 -6s sense wires on my 24s no bms pack. The reason no bms is 20ah and qu...
by 999zip999
Jan 13 2019 2:12pm
Forum: Battery Technology
Topic: Building a high Amp output battery question
Replies: 37
Views: 630

Re: Building a high Amp output battery question

It all in the complete design . Like to see the whole picture. As mistakes and confusion have already been straiten out. Don't what to haul in the back on a trailer.
by 999zip999
Jan 12 2019 10:08pm
Forum: Battery Technology
Topic: 14....or 16s balance charger?
Replies: 13
Views: 239

Re: 14....or 16s balance charger?

? Balance charger as a daily charger for R/C lipo only. Daily ever time all time . A battery build right used right will work right. A junk battery is junk. Don't build junk. What battery cells you using ?
by 999zip999
Jan 12 2019 10:00pm
Forum: Battery Technology
Topic: 14....or 16s balance charger?
Replies: 13
Views: 239

Re: 14....or 16s balance charger?

Close is a un9plus+ a 9s charger times two is 18s and a 16s is two plugs. If you have a working battery it does not need balancing a shitty or wrongly used battery DOES. I had both 1429 and two 1220 done no support. Jumk.
by 999zip999
Jan 12 2019 3:33pm
Forum: Battery Technology
Topic: Balancing a 20s battery back
Replies: 16
Views: 331

Re: Balancing a 20s battery back

Yes and the closer you get to end voltage the more you see diversity in the voltage number. Meaning at 3.9v they are all at 3.9v and may only show voltage more different at top of voltage and at 4.3v only one will race to 4.5v and above. Meaning you will drive out the weak cell at lvc and hvc andabo...
by 999zip999
Jan 12 2019 3:15pm
Forum: Battery Technology
Topic: Building a high Amp output battery question
Replies: 37
Views: 630

Re: Building a high Amp output battery question

Again asking about the exact controller and the exact motor.
Yescom 1,000 watt dd with dilled covers.
by 999zip999
Jan 11 2019 4:32pm
Forum: Battery Technology
Topic: Building a high Amp output battery question
Replies: 37
Views: 630

Re: Building a high Amp output battery question

So ? What is this for ? Motor, controller, ect ? What's up ? Go kart ? Aero car ?