Okay, so you know the way it completely sucks while you’re exploring the polar icecaps and your flashlight craps out at sub-zero temperatures as a result of it is just too chilly? Your batteries may be accountable – and the answer may be a substitute for typical lithium-ion cells.
Lithium batteries wrestle in temperatures decrease than 32 °F (0 °C) as a result of the response that permits them to ship energy slows down, the electrolyte turns into extra viscous and will increase inner resistance, and this results in a drop in voltage. That is no good for a flashlight which wants steady energy to function in excessive climate.
The Sodiumfrostglow (which simply rolls off the tongue) flashlight avoids this trouble by utilizing a sodium-ion battery which may ship secure energy all the best way right down to -40 ºF (-40 ºC).
World’s 1st Sodium-Ion Flashlight: Engineered for Winter
At the moment being crowdfunded on Kickstarter, it guarantees 3,000 full cost cycles, which suggests try to be sorted for almost a decade of every day use. The sunshine itself is a 2,500-lumen 6000K-8000K cool white beam that may be adjusted from a targeted spot reached a most distance of 787 ft (240 m) to a large flood. There’s additionally a useful little energy show on the shaft, and 5 modes to modify between, together with a strobe and SOS flash.
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The merely designed flashlight housing is IP44 rated and constituted of hard-anodized aluminum alloy, so it could actually resist splashes and mud, and face up to being dropped. You may cost the Sodiumfrostglow’s 10,000-mAh battery by way of its USB-A port, and in addition use it as an influence financial institution to high off your cellphone at 15-W output in an emergency. The flashlight must also come again to life after being left in storage for months and being recharged from 0% – one other good thing about sodium-ion battery chemistry.
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The Sodiumfrostglow weighs in at 1.4 lb (640 g), and measures 10.7 inches (271 mm); it ought to run for as much as 24 hours at a low-power setting on a full battery. In case you’re a correct adventurer who’s off the grid for prolonged intervals of time, you will be joyful to know that battery is replaceable, and you will get a spare to maintain available while you’re past the reaches of civilization.
It is anticipated to retail at about US$85, however it may be had for as little as $57 apiece over on its Kickstarter campaign page. An extra battery may be tacked on to your order for $18.
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All crowdfunding campaigns carry a component of threat, and it is value noting that the Sodiumfrostglow comes from a creator who hasn’t beforehand shipped any merchandise on the platform – so you will need to maintain that in thoughts in case you select to again this marketing campaign. The group behind it claims to have years of experience building products, and have partnered with a logistics agency that focuses on fulfilling crowdfunding orders around the globe. Nonetheless, if all goes to plan, orders are slated to ship worldwide in March 2026.
Try the Sodiumfrostglow flashlight on Kickstarter.
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