The Nitecore HA23 UHE is a headlamp with four dual-core MCT UHE LEDs side-by-side capable of producing Warm White (3000K), Neutral White (4500K) and Cool White (6500K) light. It has two red auxiliary LEDs with multiple brightness levels. It takes three AAA batteries or a Nitecore HLB1500 Li-ion battery pack.

Today, I’m testing the LBF 18650 (3200mAh) & LBF 21700 (5000mAh) 3.7V Li-ion cells to see if they’re suitable for flashlights and if their built-in USB-C charging & powerbank features perform as advertised.

Tonight, I am testing the Zoyi QS7 clamp meter and comparing it to the UNI-T 210E. I’ll measure current using an electronic load, check the accuracy with a DMMCheck Plus. And I’ll check the voltage and current of an old car battery.

The Skilhunt EC500 WW is a 21700-sized thrower with a Luminus SFT40 3000K 95 CRI emitter and built-in USB-C charging. It is also available with a NW (5000K) or a CW (6500K) emitter. And there is a choice of Carbon Black, Gun Metal Grey or Coyote Brown for the body colour.

The LOOP SK05 Helm is an EDC torch with a Spotlight, Floodlight and Sidelight. These lights are controlled with an outer ring and a center button. It features fast USB-C charging and it can serve as a powerbank. This high performance version comes with a Luminus SFT12R emitter and three Luminus SST20 emitters.

The Nealsgadgets C02 Camping Light is a relatively big bulb-shaped lantern with Cool White, Warm White, and RGB lighting. It has touch sensors to adjust the brightness and to select a colour. Is it better than an Olight Sphere? It is definitely bigger!

The NLIGHTD L3 is an 18350-sized torch with an 15W shine-through LEP module. There is an optional 18650 tube to increase the capacity and runtime.

The Olight Arkfeld Ultra is a flat-style EDC torch with a white emitter, green laser pointer and a 365nm UV light.