£19.95
This pocket-sized light source is so packable there's pretty much no reason not to have one. The Luci EMRG offers Low, High and Flashing white light, plus SOS flash and a steady red. 4 LEDs offer 25 lumens of light, with Low mode fiving 7 hours of use. Packed down, the 72-gram unit sits easily on top of a seatpack or other bag to recharge fully in 8 hours of sunlight.