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Good to hear you enjoyed the Mute version, i have to agree Qiroll should put the LED indicator status on the controller so we could see visually see and know which modes we're riding in. Sometimes i accidentally press the regen brake/mode button and didn't realized it slowed down on fast...

My Qiroll Pro still going strong everyday. :) Video link: https://x.com/SupermotoXL/status/1977709385620054054

Yes i do tape it on top overlapping each other on the center of the friction roller which is good for extra thickness and durability.

Its MR03 connector.

Baseline for your Qiroll Pro Max is to look for 33V battery.

If the tape not wide enough you can overlap the tape side by side to increase the width like how i did it from previous post photos. About traveling with ebike battery i have no experience about it but different airline allow certain watt hour capacity which you need to check.

That's why i go PRO, great hill slayer. :)

The tape i use is about 2.5cm width fit nicely for 320W Pro but on 400W i just overlap side by side. Attached picture how i overlap the 3M friction floor tape width by 2x when wrapping on the friction roller of 400W.

I don't have the link. However i didn't use Qiroll friction tape, i just DIY 3M floor grip tape and layered twice (2x) on each side to increase the width. Works best. :) I'll post a picture how it looked like with 2x side layering on 400W tonite.

Here's my experience between 400W and 320W. 320W (QR-E PRO) Lightweight. Stealth looks because the unit smaller. Consume less power on the battery. Ideal for: Minimalist looks and lightweight build. 400W (QR-E PRO MAX) Better hill climbing power assist/Torque power. Faster acceleration...

Good job dismantling the battery, first time i see an Ebike battery with huge amount of foams and huge size capacitor. I've toying a lot on Hailong aka Bafang battery but the H70 one looks like some DIY stuff going on. Ironically H70 battery lasts longer than my Bafang battery. Btw did you...

Trickle Charge worked! That problematic battery survived yesterday commute all the way through my journey and going up the hill using previously mentioned trickle charging method. Only experience "minus one bar"voltage sag but recovered back to two bar after reaching flat land and arrived...

This method applies to old battery: Since i have not open up the battery case of H70, here how i do it with supplied original charger; Do normal full charge a drained H70 battery for 3~5 hours (depends how old the battery). When the Green LED lit leave it another 3 hours of continuous charging...

Thanks for the tips, will do. ;) Reply for Qiroll Support: Got reply from the support (Mr. Jason). Probably the probably 400W+ unit tested on with that battery was hit hard caused by over power consumption more than BMS can handle...still on test phase. Yes that battery was on Prototype...

Hi Blueberry, Thanks for showing up with tips. At first i thought it was a screw in type of cap like water bottle or jar. Glad you shared about the info that it was lock on adhesive glue. Question: Was the content inside tight fit with wires dangling about? Fear if i slid a thin blade...

Thanks for the info, i'll try to contact/pm Blueberry later. Btw how do you connect to alternative battery to Qiroll unit that have 3 terminal plug ends? Does Bafang/Hailong battery pack 48V works on Qiroll?

When charging the H70 battery once it was new last time and now an old battery there's no sign of heating up. Qiroll battery when charging there's no charge level indicator showing up. Those "leveled" indicator (4 bar LED level) only works when battery is hooked up with Qiroll unit on bike...

H70 battery problem. Has anyone encounter this problem? Today in the evening during cycling commute towards home from my office; half way on the road the Qiroll unit stop working. I saw my battery showing 2 solid bar blue LED light lit indicating i still have some power left in the battery...

TEST RIDE #1: QIROLL Prototype 400W+ Note to Qiroll product developer; Here's my latest finding when testing your prototype 400W+ unit. Weird knocking sound: 1st day test ride was ok when riding first 2km on flat road. However on 2nd day after i climbed a total of 4 km of hill climb with...

QIROLL Prototype 400W+ finally installed. Hey guys, sorry for long absent, finally i got a bought a small 16" inch folding bike to test out Qiroll's prototype 400W+ unit. Due to its size 400W+ could not be install on my road bike or any short rear frame wheel base. So this 16" wheel folding...