From aliexpress This is a cool light bar that reacts to music and sound unfortunately it does not have a battery inside in this version
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Category: battery
Garmin Vivoactive HR teardown
Unfortunately my Garmin Vivoactive HR got into the water and died. So here it is in pieces… Sadly the Vivoactive is not made for swimming which I forgot because I also have the Garmin Forerunner which is Ok in the water. Otherwise, the Garmin Vivoactive HR is a great watch and very useful. The screen […]
Dyson defect battery
This Dyson battery started blinking red for ever. So here what I found in this battery of Dyson. I suppose it is the same on pretty much all Dyson Vacuum Cleaners like the Dyson V10 or Dyson V11. I think this one was a Dyson V8. The cells are 18650 Li-Ion Cells. I measured the […]
Mosquito repeller by ultrasounds
This mosquito repeller is producing high frequency noise (a high pitched beeeeeeeeeepppppppp) to scare mosquitos away. Does it work? I still have to make sure it works by going to a mosquito infested area 🙂 mosquito repellent device with solar charger.
Dyson V6-V7-V8 vacuum cleaner Battery Pa...
My Dyson battery died with the red blinking LED syndrome. I opened it to see what is in my Dyson Battery. The Dyson Battery uses 18650 lithium-ion rechargeable batteries.
Ryobi Li-ion battery pack (Similar to Bo...
18volts Ryobi BPL 1820 46Wh battery pack for powertools Made of 10 li-ion batteries of 3.7volts. The charging board with the controlling ic. The Ryobi Fuel Gauge indicates red orange and green. Among the top power tools & cordless drill you can find are the followings: Makita XFD10R DeWalt DCD790D2 Milwaukee 2703-22 Bosch DDS182 Rockwell […]
Easy motion ebike battery
This is the battery of an Easy Motion li-ion electrical bike It is made of 30 18650 li ion batteries. The voltage regulator of the battery pack
Bosch Powerpack 500 Electrical Bike
This is a Bosch Powerpack 500 for an electrical bike. It contains 40 18650 cells of 3300mAh each. Total is about 36volts, 19400mmAh or 500Whr. A vast choice of electric bicycles on Amazon check for free delivery The 18650 cells were mostly empty due to their long past life. Here a some of the best […]