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    UltraMotor A2B Metro needs a new battery!

    what cells are in the ultramoto a2b in frame battery? and what are in the back? it says lion on the bike, does that mean 18650? or pouch lipos? ( like rc cars use) there is a bike for sale cheap but i figure it;s cause the batts are dead practically. the replacement is 700 just for the inframe...
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    18650 batteries in 48v 20ah config vs. 48v 20 ah lithium

    Hi again, thx for the replies but the point of my question was this. why is a 48volt 20 ah pack of 18650's so much bigger than the triangle battery i am seeing that states it's also a 48volt 20 ah battery? is the triangle battery of different composition of lithium? and does it pack the same or...
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    18650 batteries in 48v 20ah config vs. 48v 20 ah lithium

    18650 batteries in 48v 20ah config vs. 48v 20 ah lithium. my question is this i have seen a triangle battery in a 48v 20ah lithium configuration that seems alot smaller than putting together the same config using 18650's. which gives more range and output? which is safer? the config in 18650's...
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    Rheostat and adding another battery to ebike for more volts

    0lbs yes your right i mixed up parallel with series, not enough room on the bike for a full 48 volt battery system, the bike is 140lbs as it is now, maybe adding parallel one 12 volt would get me the distance i want yes have considered that. more amp hours but not highter voltage is good.
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    Rheostat and adding another battery to ebike for more volts

    yes that's the bike, how do you know it's 48 volt controller? because when i fully charge it and then plug in the charger the voltage meter next to the speedometer reads 55-56 volts and the bike starts to slow down when the voltmeter reaches 46 volts. how could it initially read 50-55 volts when...
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    Rheostat and adding another battery to ebike for more volts

    by putting 48 more volts in parallel that would make a total of 96volts, controller can't handle that, the rheostat is so that i can plug in another battery but keep it lower than 60 volts at first, but as the existing batteries lose juice i want to dialup more from the backup to keep up the...
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    Rheostat and adding another battery to ebike for more volts

    yes that is why i am asking on this board as well as electricians etc, why do you say a rheostat isn't a viable option for in line control of battery power? if no with that, then what do you suggest?
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    Rheostat and adding another battery to ebike for more volts

    yes i know about the controller, but i don't want the extra power to burn out the controller until existing batteries start to read low, then want to dial in more of the extra battery, know how that can be done?
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    Rheostat and adding another battery to ebike for more volts

    three speed switch? is that to turn on off the extra battery or a dial up power in 3 switch mode? what's it called by name?
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    Rheostat and adding another battery to ebike for more volts

    it will munch all the battery power up before i need it when i hit about the 15 mile mark ( about 1 hour ride) or eat just a percentage? any other ideas how to do this?
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    Rheostat and adding another battery to ebike for more volts

    I own a voltage gt 500 that has 4 12 volt 12ah batteries in series running to a 500 watt motor. my question is this, i wish to ad another battery of proper output and ah to increase range and some speed, but i wish to be able to dial in the power via a rheostat or potentiamer type switch so that...
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    Rheostat and adding another battery to ebike for more volts

    I own a voltage gt 500 that has 4 12 volt 12ah batteries in series running to a 500 watt motor. my question is this, i wish to ad another battery of proper output and ah to increase range and some speed, but i wish to be able to dial in the power via a rheostat or potentiamer type switch so that...
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    Voltage gt 500 E-bike E-Scooter

    i believe they are sla batteries, tho the batteries themselves are blank, nothing written on them, i opened the battery case, the manufacturer posts they are gell type or something, if i change out the batteries what are the best to use beside going to lithium? best for range, i believe the 15ah...
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    Voltage gt 500 E-bike E-Scooter

    Hi, i picked up a 500 watt 48v 12ah voltage gt 500 ebike/scooter ( has peddles) it does about 36 kmph or about 22 miles per hour top speed tho the company/dealers claim it will do 40kmph , unless i am wrong the online calculator for km to mph means 36kmph is 22 miles per hour. is that right...
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