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What to know what products we recommend on aliexpress and what suppliers we use? We are aliexpress affiliates which means we make 7% commission if you buy something on aliexpress using the links below.

I have made almost 3000 orders during the last 5 years and received 27410 point and hold Diamond member status which means im a fucking god when it comes to spending money!

Many of the products we buy are off course bad, but we have the resources to buy many similar items from many different sellers to find out which is best. We repair about 1000-2000 ebike batteries yearly so we need to make sure we ONLY use the best stuff!

We will try and review most of the items we list and why we like them at our english youtube channel:


10S 36V 15A BMS (for 250W ebikes)

10S 36V 20A BMS (for 250W ebikes, with on/off switch)

36V Small size BMS.

7S 24V 20A BMS (for 250W ebikes)

7S 24V 20A BMS (for 250W ebikes, with on/off switch)

13S 48V 40A BMS (for 1500W ebikes)

13S 48V 40A BMS (for 1500W ebikes, with on/off switch)

Holders & Isolators

Wavy holders for compact batterypacks

Standard rectangular “lego” holders 1P, 2P and 3P

Barley Paper (insulator):

Nickel & Wires

Really good, true pure nickel we bought many times:

Good standard nickel, we use these the most 0,1mm

Good standard nickel, we use these the most 0,15mm

We use Helukabel now but used these wires before.

Large size heat PVC shrink tubing








Sunkko 709a, decent beginner machine that also has a soldering station, both built in and pen type spotwelder. Has Eu stock

Battery testers

Liitokala lii-500 (Whole package)

Best battery cell tester ever! However we have not verified this supplier.

Excellent for testing JST fast and balancing.

Good battery load (max 150W), not a verified supplier.

For testing Internal Resistance of battery cells, very accurate tool!

1-24S Battery Display


Pliers/Wire cutters, nickel strippers

Wire stripper (Dr Andys favorite)

Wire stripper (My favorite)

UT33C is a good multimeter with tempsensor

Very good screwdriver, not verified supplier. True 2000mah battery.

Very good DIY high quality Soldering Station. Not verified since we buy them in europe. Choose Original.

21700 video:

We like the black best which are 0.3mm thick.

We add 2 magnets = 4mm to the bottom of each cell

We prefer the transparent one.

New 150W Electronic Load Video

150W Electronic Load

12V 1A Adapter with EU plug

10A Copper Alligator Clips

Mini Fuse With 20A fuse and 16 AWG Copper Wire.

We test the TOP 5 aliexpress original Xiaomi M365 chargers – Which are genuine?

Genuine chargers:
Amalibay Official Store:
Bywish Outdoors Store:
P-mouse Store:

Not original charters (but very similar, and cheaper):
YoungOutdoor Store:
Pro Hiker Store:

Portable DIY 9V/12V battery for synth/keyboard

Super Powerbank

Which are the TOP 3 best automatic tape dispensers on Aliexpress 2021?

For small rools

Fast & Many pcs

My new favorite

Tested for one year

recommended cells:
Recommended cells (all including shipping an VAT:
WIT 3500mah by Mr. Li (€5 each with shipping when you buy 20pcs):
Mr.Li 4000mah (€5 each with shipping when you buy 20pcs):
WIT/Mr. Li (i did not get the red ones on the picture) only 4,85€ each when you buy 10pcs