PowerAdd Pilot X7 20,000mAh Powerbank & Fast Charging Mod

Here’s the biggest portable USB powerbank I’ve seen yet – the PowerAdd Pilot X7, this comes with a 20Ah (20,000mAh) capacity. This pack is pretty heavy, but this isn’t surprising considering the capacity. The front of the pack houses the usual USB ports, in this case rated at 3.4A total

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Maplin/Refrakta Torch Modification & Mode Removal

The multimode dimming/flashing modes on Chinese torches have irritated me for a while. If I buy a torch, it’s to illuminate something I’m doing, not to test if people around me have photosensitive epilepsy. Looking at the PCB in the LED module of the torch, a couple of components are

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