Separated at Birth - the Gearlight S1050 and the Convoy M21A

The M21A and C8+ are the same apart from the size of the batteries, M21A - 21700, C8+ - 18650.

Here’s a guide to popular LEDs - Quick Guide to Popular LEDS - UPDATED FOR 2024

Alternatively, if you tell us what you want from a light we can make recommendations.