Fnirsi fnb58 usb fast charge tester
Versatile USB test instrument. Available here: https://s.click.aliexpress.com/e/_oCDsPGs Measures voltage, current and power with data logging functions. Checks and reports all…
The zk-s4 boost converter works down to 2v
Boosting the voltage from a single LTO cell to do something useful with it.
100a relay coil overheat prevention
This motorcycle starter relay is only intended for short duration use. Here's a technique to allow longer duration operation.
Lithium titanate cells – an introduction
What are lithium titanium oxide cells? Where do they come from and what are they used for? Use discount code…
Xtar dragon vp4l plus battery charger
Review of this four slot lithium ion and nickel metal hydride cell charger. Product links: https://www.amazon.co.uk/Rechargeable-XTAR-batteries-Professional-Batterys-Black/dp/B0BXCF4FRR https://www.x