Recent content by davidsvoboda

Hi, I have this connector on my charger (https://www.amazon.com/Keilton-Audio-Speaker-Cable-Connector/dp/B06XQSV1CK/ref=sr_1_fkmr0_2?s=musical-instruments&ie=UTF8&qid=1506204121&sr=1-2-fkmr0&keywords=4-Pole+Male+Speakon+Speaker+Cable+Cord+End+Connector). Unfortunately, I managed to disconnect...

Hi, not sure which category this fits, so if unsuitable tell me. Has anyone been to swiss Alps on his own ebike? I am going within few days and don't know what to expect in terms of charging the bike from available outlets. Are there any available along the way or is it necessary to use...

(caliper) the brake pads are rubbing.

Hi I have the Bafang SWXH 250W rear hub motor. The disc brake is rubbing. Do I need to use the "spacer" as pictured and will it likely help stop rubbing if I do?

Hi, I have a chance to buy "Bosch Drive Unit High Performance Bracket motor" cheaply, but will it run with my 48V Liion battery (max output is 58V)? If not, is there any way to make it run on 48V? The motor came from Haibike XDuro rx Radically electrified bicycle. I post a picture from the...

Hi, I have 48V (maximum can reach circa 56V) 15.5 Ah Li ion battery. Could anyone suggest best voltmeter to measure capacity of my battery (as I ride) as accurately as possible? Thank you, David.

I do understand that it is the controller what matters, however I will have Lyenn adjustable controller, therefore I can adjust it to how I like. 2000 W will be maximum what I would run through the controller and the motor..

Hi, I am looking to buy a 48V (circa 15ah) battery for 2000W motor (9c) and can't seem to find anything adequate. Any suggestions? If it came with guaranteee from a respectable brand only better. Shipping would be to Czech Republic. Thanks a lot!

Hi, I would like to purchase 2011 Chevrolet Volt/ Opel Ampera. I am worried about the batteries on a car with 140 000 km. Any experineces, should the battery be fine? Is it worth buying used Volt at this mileage? Any clue on how much are the replacement batteries for Volt/Ampera? I would be...

yes i did connect it with solder iron in the end. :)

Well, I should not exceed that with 1500W controller, but I guess it's not the best connection.. :(

Hi, can I use this to extend my battery cable from the battery to the controller? http://www.maplin.co.uk/p/maplin-insulated-crimp-terminal-butt-splice-yellow-ml87u I have 1500W controller. Will this thing be able to handle the power or do I risk damaging the controller if I connect it this way...

Can I than ask what exactly is the procedure? This is as was posted above: Could be self study (join 2 white wires with matching connections) connect motor and hall wires, matching colors. connect power. you don't need the throttle yet. identify the on / off wire (lock, should be red)...

Is it really this simple? I have never heard of this test.. So I dont have to try all the 36 combinations?

what?