Inside an Aldi rechargeable work light (with schematic)

These USB rechargeable work lights have evolved fast. They are bright and have a decent run time. This version has a USB power bank function too, which is useful, although it's only rated at 1A. The stand works well for aiming the light, and the general construction feels rugged, with firm bumpers on all edges.
It has two intensity settings, and unlike some others, there is no perceivable PWM flicker at the lower intensity setting.
The LEDs are powered directly from the lithium pack, so intensity will reduce as the battery voltage drops, but this is much preferable to the ones that bang out full intensity until they suddenly cut off.
The lithium pack contains two 2200mAh cells in parallel which is very acceptable. The design makes their replacement fairly easy if desired.
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