Any possible downsides to use those cellphone chargers to drive small amounts of leds? They come for cheap and are pretty convenient to use alongside a USB battery pack to make a project both portable and compatible with a wall outlet.
I’ve been researching if they should last for a long time under a constant moderate load (1A). I’m worried about long term. Any difference to a regular 2A PSU in your opinion?
I’m using a 20,100mAh power bank. 3.4A max output. Jackery Force 420 Pro. Not cheap but they do smaller, cheaper ones. Apparently “Their professional line-ups all feature nine layer protection by well-known Texas Instruments chipsets for Li-on battery temperature control, protection against short-circuit, overvoltage, overcharge, over-discharge and overcurrent.” Sounds safe.
@Jason_Coon Great find! I ordered a bunch of different models to test including that Aukey. The teardown gives me hope, it looks solidly built for how compact it is.