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The Brightest LED Flashlights

These days, there are some mighty bright LED flashlights over there — ones that can rival car headlights in their shine. Let’s take at look at some of the brightest in the world:

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The Best 9V Rechargeable Batteries Of 2019

In A Nutshell The best low-discharge 9V rechargeable is the Tenergy Centura 9V 200mAh Low Self-Discharge NiMH Rechargeable Batteries The best lithium-ion 9V rechargeable is EBL 9V Lithium Ion Batteries The Details Low-self discharge 9v Ni-MH batteries have become available in the last few years. The “low-self discharge” label means these batteries will hold their charge for a year, unlike previous …

The Best Standalone Air Filters Of 2019

The best standalone air filter is the RxAir Plus. It uses UV-C Sanitizer to kill up to 99% of airborne viruses and bacteria in a 800 sq ft room.

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The Longest Lasting Rechargeable AA Batteries

Sanyo’s Eneloop batteries have had an edge over other rechargeable AAs since they were released in 2005. Basically, Eneloops could retain their charge longer than other rechargeables, including other low self-discharge AAs. Eneloops can hold 85% of their charge for one year, and 75% after three years.

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The Warmest Duvet Of 2019

To find the warmest duvet, we need to determine the warmest duvet filling material. In terms of heat retention and the ability to used as filling, these are the warmest fibers by weight: Qiviut [Musk Ox Wool] Yak Wool Alpaca Wool Camel Wool Sheep’s Wool For more details, see my article explaining why these wools are ultrawarm. After testing duvets …