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  1. N

    Mixing old & new batterys grin LiGo

    Hello, I was wondering if there's any particular way to arrange batteries to make a pack when having old and new ones. For reference using the airplane portable LiGo from Grin. Each one has two pairs of positive and negative terminals. I've used four of them together for about 2 months daily...
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    Field weakening, how does it work from battery draw

    Hello all, have phaserunner with field weakening feature. was wondering what the setting means- 0-x AMPS for field weakening. To my understanding, more amps means more field weakening. Just to clarify, is more amps means more amps drawn from the battery? If so, is this in addition to amps...
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    Maximum normal regen? Is CA V3 correct?

    Hello all I've started my daily commute with my finished DYI ebike kit along with a cycle analyst V3. Someone said that the regen I'm getting is unrealistic. Is this correct or is there something potentially wrong here? cycling thru CA stats in link https://imgur.com/a/ygaNQfT (22%)
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    Question about new NovSight ebike/bicycle headlight

    After realizing the stock headlight on my bike is actually worth about $10 and somehow the switch broke so it no longer turns on unless I press really hard into the switch. Tried to open it but it's basically hard to do without breaking it, I looked around for lights. Strangely their website...
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    Potting, DC-DC converters Q

    Hello https://www.ebay.com/itm/High-Voltage-EBike-DC-DC-Converter-Buck-Module-80-24Vto15V-12V-9V-6V-5V-3-3V/173339919515?ssPageName=STRK%3AMEBIDX%3AIT&var=472050016599&_trksid=p2057872.m2749.l2649 I have the LiGo batteries from Grin and would like it to power the existing dynamo light on my...
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    Can I use battery to charge swagcycle?

    My friend has an old swagcycle which comes with a built-in charger. Apparently the charger outputs 42V 1.5A to the built in battery. My question is, is it possible to find some sort of IEC 320 C7 adapter to connect to a swagcycle's charger and charge it using say a 42V DC battery? What happens...
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    Simple way to connect leads to light?

    Would prefer not to solder connecters. Is there something that can connect leads to this light? Obviously prefer stuff accessible form any local hardware store. https://imgur.com/a/ZBUjZR5
  8. N

    USB to +/- wires

    Hello, There's many products like this, anyone recommend something that I can plug into a USB port and have wires come out with positive and negative? Want to power a light from a battery. According to the specs, I have a dynamo light that takes 6V, not sure if it takes higher but it runs off a...
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    Sinclaire c5?

    Was randmomly browsing trivia and found that this made back 40 or so years ago. Isn't this a product ahead of its time?
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    Optimal charging for batteries

    Hello, Looking at the programming cycle satiator battery, was wondering about the best way to charge a battery 1) Does fast charging hurt cycle life if done at a low enough battery voltage, or batteries should be slow charged regardless of current battery voltage 2) Which would be a better...
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    Direct Drive Gearless Hub Motor Drag Technical Q

    Hello, I know that direct drive gearless hub motors have some sort of drag, and is often used for regenerative braking. I'm looking at the Crystalyte NSM 13 motor specifically, from Canada's Grin Technology at ebike.ca. Apparently it's out of stock, but if they do restock, I am interested in...
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