Search found 8927 matches

by 999zip999
Dec 04 2019 4:26pm
Forum: Battery Technology
Topic: Rebuilding scooter battery
Replies: 7
Views: 430

Re: Rebuilding scooter battery

Depending on the space at hand you may be able to use automotive batteries high grade and a BMS charge them let the BMS balance them. Or buy a ready made pack with BMS and charger.
More info on electric scooter link pictures something
by 999zip999
Dec 04 2019 4:02pm
Forum: E-Bike General Discussion
Topic: Looking for a 60V controller
Replies: 8
Views: 970

Re: Looking for a 60V controller

Open it up a have look see. Does it have 63v or 75 v Caps or ? If 63v it should work. Just like a motor or battery you can melt down long hiills ect.
by 999zip999
Dec 04 2019 12:18pm
Forum: E-Bike General Discussion
Topic: Reputable/reliable 48v batt sellers for BBSHD build
Replies: 25
Views: 1523

Re: Reputable/reliable 48v batt sellers for BBSHD build

A 17ah pack would have less stress if use the same it also how you use or abused it. Do you ride wot or ? Hills ect
.
by 999zip999
Dec 01 2019 11:34am
Forum: Battery Technology
Topic: Resuscitating new Vtc6a from complete discharge
Replies: 7
Views: 813

Re: Resuscitating new Vtc6a from complete discharge

1v ? As low I would temp is 2.8v that's empty. 3.0v is more safe charge to 4.2v let rest and see if they hold voltage
by 999zip999
Nov 30 2019 1:52pm
Forum: Battery Technology
Topic: Resuscitating new Vtc6a from complete discharge
Replies: 7
Views: 813

Re: Resuscitating new Vtc6a from complete discharge

I bought use high grade makia packs that where open up and recharged and sold as 3.0 v and above 350 cells. Yes they came that way but we're just juiced up. Money does weird things to people. I can tell as he took the white plug out of most. He was looking for the newer pack with split tab welded. F...
by 999zip999
Nov 30 2019 1:34pm
Forum: Battery Technology
Topic: 14s6p pack design
Replies: 8
Views: 827

Re: 14s6p pack design

Nice bike why not the battery in the triangle ? How fast on flat land ?
by 999zip999
Nov 29 2019 1:19pm
Forum: E-Bike Technical
Topic: Bafang 20” motor in a 24” rim
Replies: 13
Views: 1113

Re: Bafang 20” motor in a 24” rim

Nice bike . What battery and controller . Amp rating of controller ?
by 999zip999
Nov 29 2019 12:49pm
Forum: Battery Technology
Topic: BMS's C-, B- which port to connect and why ?
Replies: 4
Views: 644

Re: BMS's C-, B- which port to connect and why ?

The higher quality cells and use them under rated specs lower your huc and lvc cutoff going up ah and putting on extra weight and size for longevity of self monitor always. Or no bms and your the man. Not a loner bike.
by 999zip999
Nov 29 2019 11:35am
Forum: Battery Technology
Topic: DIY High Cell Count Balance Charger for Cheap
Replies: 27
Views: 2671

Re: DIY High Cell Count Balance Charger for Cheap

The only time I worry is when I do a deep discharge. Caught to far form home or a curious test of lvc. This is the only time I'm certain. I recharge and watch. I had two problem with signalab bms:s problems one time killing one cell in 4 parallel repalced all 4 on old ping pack. Then stolen. Hillhat...
by 999zip999
Nov 28 2019 2:01pm
Forum: Battery Technology
Topic: DIY High Cell Count Balance Charger for Cheap
Replies: 27
Views: 2671

Re: DIY High Cell Count Balance Charger for Cheap

I bulk charge them check with cellog thru 4-6s
( you 4-5s) sensee wires if unbalance I use an an,9plus+ thru the sense wire charger for balance. But never needed 1,480 charge cycles. Only use 6 times. No bms
by 999zip999
Nov 28 2019 1:47pm
Forum: E-Bike General Discussion
Topic: Can I wire two Pre built 36v packs in series to make 72v
Replies: 19
Views: 1361

Re: Can I wire two Pre built 36v packs in series to make 72v

I would just use 9-10ah and see how it works out
by 999zip999
Nov 28 2019 12:20pm
Forum: E-Bike General Discussion
Topic: Can I wire two Pre built 36v packs in series to make 72v
Replies: 19
Views: 1361

Re: Can I wire two Pre built 36v packs in series to make 72v

After 1/2 down take a voltage read on the packs and see what you get. If even use to 2/3 and get a reading is one stronger than the other ?
by 999zip999
Nov 24 2019 2:32pm
Forum: E-Bike General Discussion
Topic: Why does my CA v3 mph keep blinking
Replies: 5
Views: 656

Re: Why does my CA v3 mph keep blinking

Makes sense as I heard a boom a Sonic boom I had the cav3 set at mach 1.
Ok found CA set at 40mph I go 43mph. I reset it but it still blinks ??? After unplugging and repluging it
by 999zip999
Nov 24 2019 2:06pm
Forum: E-Bike General Discussion
Topic: How fast can my 250W chinese motor go?
Replies: 25
Views: 2099

Re: How fast can my 250W chinese motor go?

Fast is a 72v 80amp setup for a bike 3,000 watt motor running at 7,000 watts
by 999zip999
Nov 24 2019 2:04pm
Forum: E-Bike General Discussion
Topic: How fast can my 250W chinese motor go?
Replies: 25
Views: 2099

Re: How fast can my 250W chinese motor go?

I think the limit of the is with emf and that is controlled by how it's round as 4turn or 6turn ect.
22mph should be your top speed.
by 999zip999
Nov 22 2019 2:23pm
Forum: Battery Technology
Topic: Best Method for Battery Build??? 16s4p Telsa 2170 Cells
Replies: 20
Views: 2053

Re: Best Method for Battery Build TESLA 2170

I think you are going to cut that up to alternate more positive or negative or positive or negative 16 times ? How does that block as is help you ?
by 999zip999
Nov 22 2019 10:05am
Forum: Battery Technology
Topic: Best Method for Battery Build??? 16s4p Telsa 2170 Cells
Replies: 20
Views: 2053

Re: Best Method for Battery Build TESLA 2170

Looking at that block of cells it looks like all pos on top ?
by 999zip999
Nov 22 2019 9:41am
Forum: E-Bike General Discussion
Topic: Convert 2 Classic MTBs to eBikes
Replies: 14
Views: 1333

Re: Convert 2 Classic MTBs to eBikes

Let's say it will never be a motorcycle. Frist build your wife's bike linear brakes with Kool stop pads. Mid drive and trangle battery and an air fork. That's a start maybe a thud buster and a newer shorter version. Then after learning real life - find out your needs. Go down to a big ebike store an...
by 999zip999
Nov 22 2019 9:24am
Forum: E-Bike General Discussion
Topic: Why does my CA v3 mph keep blinking
Replies: 5
Views: 656

Why does my CA v3 mph keep blinking

Yes my mph keeps blinking on my CA v3 ?
by 999zip999
Nov 22 2019 9:05am
Forum: E-Bike Technical
Topic: Which controller (with display) for the cyclone 1800-3000w motor?
Replies: 11
Views: 1089

Re: Which controller (with display) for the cyclone 1800-3000w motor?

Have you connected the G to G and Y to Y and B to B ?
by 999zip999
Nov 20 2019 3:53pm
Forum: Battery Technology
Topic: 48v 25ah Lifepo4 battery state of charge when shipped
Replies: 20
Views: 1262

Re: 48v 25ah Lifepo4 battery state of charge when shipped

But when 48v it will flatten out it's discharge compare to lii-on. What's your charger voltage ? 25ah. ?
by 999zip999
Nov 19 2019 9:14pm
Forum: Battery Technology
Topic: 48v 25ah Lifepo4 battery state of charge when shipped
Replies: 20
Views: 1262

Re: 48v 25ah Lifepo4 battery state of charge when shipped

Lifepo4 will settle to 3.5v per cell and 3.0v is as at the bottom. With new battery leave on the charger for many many hours after light turns red .Yes many hours for the bms to full up the low cell of a new battery . Yes the charger should turn off and on to full and balance the whole battery.. Mak...
by 999zip999
Nov 18 2019 7:14pm
Forum: Items for Sale - Used
Topic: Garage Sale: Dune Buggy, BMC, x5403, Fairing, Moped Motor Mount, MORE
Replies: 8
Views: 1364

Re: Garage Sale: Dune Buggy, BMC, x5403, Fairing, Moped Motor Mount, MORE

I will take the batteries Please as I'm big fan of A123 I have four voltpheaked from the Day.
by 999zip999
Nov 18 2019 12:25pm
Forum: Battery Technology
Topic: Is a 24s battery dangerous?
Replies: 24
Views: 1452

Re: Is a 24s battery dangerous?

A single cell 3.6,v can be very dangerous.
by 999zip999
Nov 14 2019 5:11pm
Forum: Battery Technology
Topic: Acceptable Battery Sag
Replies: 24
Views: 1787

Re: Acceptable Battery Sag

What. ? What matters is how many amp draw is your controller and what motor ? How much you weigh ? Flat or hills ect.