Choosing the right headtorch

摘要

4" If you intend to use a headtorch day-in, day-out, it obviously makes sense to invest in some high capacity rechargeable batteries and a fast charger. However, it's also prudent to stick to models utilising AA, rather than AAA, cells. Despite being only slightly larger, AAs have much higher capacities. And, oddly enough, they are often cheaper than rechargeable AAAs.