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Battery charged:- with battery upside down and led display away from you, counting L to R on underside lugs-voltage across Pins 1-4 = 41.8 volts , Pins 4-5 = 41.6 volts. Compared this to my similar battery ( although this good battery is a 15ah, 540wh) the results are very similar Pins 1-4 =...

Symptoms-- On my Agattu the 3 blue LED battery indicator flashes at ( usually ) 1 second intervals. Battery charges OK and runs ok , but I believe this may be caused by cell imbalance. Tried several recharges- discharges but still same. Tried on another bike and fault goes with battery. It is...

I have not yet run it totally flat, but does anyone know how 50 cycles will "recalibrate" the battery. I assume they just run it flat until the motor stops. At this stage there is usually about 34 volts left.

I have tried the different charging methods but it made no difference to mine either. I will try to totally discharge the battery putting a load onto this to reduce further as I believe that once the battery is flat, the BMS re-calibrates. I have run the battery flat last time , but only until...

That's because the blue power indicator leds do not indicate the power left in the battery.

I have a Kalkhoff Agattu bought in Jan 2014 , and now have a problem with my 612wh battery.( 17amp) Every time I power up, the leds that indicate battery capacity display on the handlebar flashes rapidly , sometimes the frequency changes to that of rapid winking. I have proved that the problem...

Thanks Tony I will try this and update when solution found.It may take a while as the problem is intermittent.

Has anyone had a problem with the Torq motor cutting out and the diags displaying 8 led flashes to indicate a hall sensor problem. Mine has cut out several times this week but on switching off and then on again all is ok, and I am able to continue my journey. When the problem occurs, the...

I did consider the outlay of a new battery against the cost of purchasing a new bike, but as my Torq2 is still in really good condition and I still love it after 3 years, a new battery it will be. Anyway- it is the cheaper option!

Many thanks NRG--I think I will have to seriously consider purchasing one of these 14ah batteries as my 10ah battery seems to become somewhat depleted.

Ezee 14ah battery Does anyone know the approximate distance range of one of these higher capacity batteries if cycling on the flat and used in pedal assist mode as I have heard that this can give 50 + miles. I currently have a 10ah battery that is two years old and am lucky if I get 17 miles...

Thanks Tony, thought as much.

Wondered if anyone has had a similar problem to me. I have a 37v Battery on my wife's Alien bike and the battery will not charge. The charger indicates green led as soon as it is plugged into the battery . I have tested both the external and internal battery fuses and they are ok. I have...

I bought mine last week and set it up on my GT off road bike. Jolly good value for £3.99 and wireless as well!!

E-bikes and motorbikes Well , you are never to old for a motorbike , in fact I enjoy motorcycling more now that in my "early days". I have a Triumph Bonneville and my Torq , but love my motorbike more as it makes more noise:D

I had an experience with my order for an Urban Mover in 2007 where I ordered from a large bike shop in the west country as I was down there for a few weeks. I ordered in Jun 07 and after loads of promises still no bike in Dec 07 decided to cancel the order. The bike shop did what they...

Thanks Tony-- Its good to know that there is no real problem . Anyway the motor had a "free" inspection while I was investigating:D

The noise is best descibed as "mechanical" ie sounds like metal rubbing against metal , thats why I thought initially it may be bearings or gearing, but this noise is more noticeable when picking up speed and under load , especially in throttle only mode. I cannot seem to replicate this noise...

Suzhou Bafang Wiring diagram Does anyone have any details on the wiring diag for the Suzy Bangs motor as supplied / fitted to the Alien , as the motor I am using is very noisy under load and suspect that it could be a wiring problem , although the motor performance is fine. I have stripped down...

The first thing to check on what sounds like a power problem is to charge up the battery to full charge and check the voltage at the pins where it connects to the lugs on the bike before you use the bike.It should be 41v+ ( dependant upon the state or age of your battery. Then when the...