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Do Rechargeable Lithium-Ion AA Batteries Exist?

Do rechargeable lithium-ion batteries exist in standard sizes like AA, AAA, C or D? Yes, they are finally available. A company called Kentli has released AA and AAA rechargeable lithium polymer batteries that output 1.5 volts. Kentli batteries are available on Amazon here. Update October 2019: I also found Tenavolt batteries which are cheaper than the Kentli, however I have …

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The Best LED Desk Lamps Of 2019

The best LED Desk Lamp is the Lumiy Lightblade 1500S. With 1100 lux of brightness and a high CRI, the Lightblade can transform even the dreariest space into a warm and bright productive zone.

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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 Best Kitchen Knife Set Of 2019

The best kitchen knife set is the Wüsthof Classic 8-Piece Knife Set with Block. This knife set from the well-known cutlery brand feature blades that are precision-forged from a single piece of high carbon steel; full tang; and triple-riveted handles.

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The Warmest Wool 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 …

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The Best Qiviut Clothing & Blankets of 2019

Musk Ox - Qiviut

Qiviut (pronounced “kiv-ee-ute”) is the name for the downy hair of the musk ox. It is the warmest fiber in the world — about eight times as warm as sheep’s wool. Musk oxen live in Alaska and Canada where temperatures sometimes drop to –100ºF (-73ºC), so they need protection. The Inuktitut name for the musk ox is “umingmak” meaning the …

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The Best Camel Wool Clothing Of 2019

Camel wool is a very soft, insulating fiber. It ranges in size from 15 to 22 microns — putting it in the ultrafine or superfine categories.