akrenits
10 mW
Hi ES,
Posted once before, but have since simplified my parts list immensely. Just want to make sure these parts are logical together.
I am definitely getting cyclone's 3 chainwheel 3kw middrive: http://www.cyclone-tw.com/order-3chain.htm
I plan on using it on some steep uphills for mountain biking. I don't need it to go fast on those, just more than walking pace. I weigh 160 lbs. That being said, I hear Amps is more important than volts to achieve torque. That also being said, I hear amps heats everything up more. So go for big volts and higher gearing? The controller that comes with the kit is rated for 40 amps. So my main question revolves around batteries. I definitely need a commute range of at least 10 miles total, flatish ground. Which of my options below should I go with? I definitely want to do this on as little a budget as possible which is why alibaba batteries are below (I know capacity can be overstated a bit, but for the price how bad can they really be? plus they include the charger ).
48V option: http://www.aliexpress.com/item/e-bike-battery-pack-48V-20Ah-high-capacity-li-ion-battery-48-volt-battery-with-charger/32620271416.html?spm=2114.10010108.100009.1.ek8bu1
72V option: http://www.aliexpress.com/item/72V-battery-pack-10AH-72V-li-ion-battery-18650-battery-with-charger-72V-battery-for-e/32630563034.html?spm=2114.01010208.3.1.2nd2dj&ws_ab_test=searchweb201556_10,searchweb201602_5_10017_10005_10006_10034_10021_507_10022_10009_10020_10008_10018_10019,searchweb201603_2&btsid=27d5aaee-22f5-48cc-971c-3f41813d0ceb
For the alibaba batteries, they say they can alter the continuous amp rating. Is this true/worthwhile/cost effective? Does the cost and included charger make either worth the risk of sketchy vendors to you?
36V option (can I get away with these few volts and still get decent performance?): http://lunacycle.com/batteries/packs/36v/36v-18650-20ah-samsung-26f-ebike-battery-pack/
52V option, maybe 2x in parallel?: http://lunacycle.com/batteries/packs/52v/52v-mighty-mini-cube-ebike-battery-pack-panasonic-pf-6ah-affordable/
Which option makes the most sense for me? Do you think I could get away with as little as 6 AH for what I'm looking for?
Other Questions
Do I absolutely need the brake cutoff switches? Can't I just be smart and not throttle while braking?
As far as matching connectors between battery and controller, can I just solder them straight together and plug my whole bike into the wall, or do I go through the trouble of replacing the connectors? (If so, link to some good, cheap options please)
Also, I plan on taking some pretty big jumps/drops. Anyone have any brilliant suggestions for protecting components in the event of a crash?
Posted once before, but have since simplified my parts list immensely. Just want to make sure these parts are logical together.
I am definitely getting cyclone's 3 chainwheel 3kw middrive: http://www.cyclone-tw.com/order-3chain.htm
I plan on using it on some steep uphills for mountain biking. I don't need it to go fast on those, just more than walking pace. I weigh 160 lbs. That being said, I hear Amps is more important than volts to achieve torque. That also being said, I hear amps heats everything up more. So go for big volts and higher gearing? The controller that comes with the kit is rated for 40 amps. So my main question revolves around batteries. I definitely need a commute range of at least 10 miles total, flatish ground. Which of my options below should I go with? I definitely want to do this on as little a budget as possible which is why alibaba batteries are below (I know capacity can be overstated a bit, but for the price how bad can they really be? plus they include the charger ).
48V option: http://www.aliexpress.com/item/e-bike-battery-pack-48V-20Ah-high-capacity-li-ion-battery-48-volt-battery-with-charger/32620271416.html?spm=2114.10010108.100009.1.ek8bu1
72V option: http://www.aliexpress.com/item/72V-battery-pack-10AH-72V-li-ion-battery-18650-battery-with-charger-72V-battery-for-e/32630563034.html?spm=2114.01010208.3.1.2nd2dj&ws_ab_test=searchweb201556_10,searchweb201602_5_10017_10005_10006_10034_10021_507_10022_10009_10020_10008_10018_10019,searchweb201603_2&btsid=27d5aaee-22f5-48cc-971c-3f41813d0ceb
For the alibaba batteries, they say they can alter the continuous amp rating. Is this true/worthwhile/cost effective? Does the cost and included charger make either worth the risk of sketchy vendors to you?
36V option (can I get away with these few volts and still get decent performance?): http://lunacycle.com/batteries/packs/36v/36v-18650-20ah-samsung-26f-ebike-battery-pack/
52V option, maybe 2x in parallel?: http://lunacycle.com/batteries/packs/52v/52v-mighty-mini-cube-ebike-battery-pack-panasonic-pf-6ah-affordable/
Which option makes the most sense for me? Do you think I could get away with as little as 6 AH for what I'm looking for?
Other Questions
Do I absolutely need the brake cutoff switches? Can't I just be smart and not throttle while braking?
As far as matching connectors between battery and controller, can I just solder them straight together and plug my whole bike into the wall, or do I go through the trouble of replacing the connectors? (If so, link to some good, cheap options please)
Also, I plan on taking some pretty big jumps/drops. Anyone have any brilliant suggestions for protecting components in the event of a crash?