Part1: supercapacitor 5.4v 250f schematic
This 5.4V 250 Farad supercapacitor module is missing a LN61C voltage detector IC. How well does it work without it?…
Review: aolithium lifepo4 12v 100ah-4s battery
Testing the aolithium 12V battery with bluetooth and an android app. Purchase here: https://aolithium.com/?ref=154maofox8 Or use this link: https://aolithium.com/discount/Julian use…
Julian’s electronics postbag – pb160
Aliexpress stuff for solar and battery projects. https://www.aliexpress.com/item/1005003385787090.html https://www.aliexpress.com/item/1005005117977210.html https://www.aliexpress.com/item/1005005241
Just another buck boost
The ZK-SJ20 is a versatile DC/DC converter which uses the LT8705. This unit can connect a solar panel to a…
More details – bt168 and bt168d battery testers
More details on the BT168 and BT168D battery testers. Schematic and block diagrams. Tests on minimum and maximum operating voltages…
Full review – 18650 cell charger
More on the slightly odd 18650 cell charger bought on Aliexpress https://www.aliexpress.com/item/1005004749074610.html
Postbag update – 25a buck converter
More information about the 25A synchronous buck regulator I bought from Aliexpress and revealed in my recent Postbag video. https://www.aliexpress.com/item/1005005225240004.html
Li-time 12.8v 100ah lithium iron phosphate battery
Charging, discharging and testing the LiTime 100Ah LiFePO4 battery. LiTime Prime Day Special Sale! Also available on Official Store! From…
Thermal imaging 18650 cell charger with infiray p2pro
Get Infiray P2pro 20% off on Amazon Prime Day (July 11) US customer: https://www.amazon.com/dp/B0BG2QC143?th=1 CA customer： https://www.amazon.ca/dp/B0BJ1W6BBH UK customer: https://www.amazon.co.u
Sanfou 600w outdoor power station 576wh
This latest generation portable power station provides 600W from its AC outlets at 220V. Also has a 12.6V 10A cigarette…