I see if it’s possible to replace CR123 (3.2V) lithium batteries with 16340 lithium-ion batteries (4.2V) on a SureFire G2 Nitrolon with an LED module. Do not try this on a halogen module!
By now we’re pretty much familiar with corona virus disease 2019 or COVID-19. We’re going to take a look at two gadgets that are COVID-19 essentials.