rechargeable batteries, Tag

Volkswagen AG is gearing up to seize the top spot as the world’s largest electric vehicle manufacturer with plans announced Monday to have six 40 gigawatt hour (GWh) battery cell production plants in operation in Europe...

Pleasanton-based green energy startup NDB, Inc. has reached a key milestone today with the completion of two proof of concept tests of its nano diamond battery (NDB). One of these tests took place at the Lawrence Livermore...

The journey for Trevor Jackson started, as many things do in tech, with research. He’d become fascinated by the experiments done not with lithium batteries, which had come to dominate the battery industry, but with so-called...

Bosch is bringing to market a new cloud-connected software service to manage and monitor the battery life of electric vehicles. “Bosch is connecting electric-vehicle batteries with the cloud. Its data-based services mean...

A YC startup called GBatteries has come out of stealth with a bold claim: they can recharge an electric car as quickly as it takes to fill up a tank of gas...

In A Nutshell Here are my recommendations for the best rechargeable AA batteries: If you want the best energy capacity (2500 mAh) — get the Eneloop Pro If you want maximum recharge capacity (2100 times) — get...

There are now a number of low-discharge D-size cells available. These cells are as powerful alkaline batteries, and they hold 85% of their charge for a year. The highest-capacity D-size rechargeable cells are rated at 11000-12000...

 Automaker BMW is chasing that solid-state battery tech carrot, same as most everyone else in the industry. Today, it’s announcing a new partnership with battery technology company Solid Power to develop and commercialize...

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....

For powering high-drain electronics such as digital cameras, the most efficient batteries to use are high-capacity Nickel Metal Hydride (NiMH) cells. Higher capacity batteries store more charge and they can power your devices...

Update: This article is out-of-date, please see my 2015 review. Sanyo’s Eneloop batteries have had an edge over other rechargeable AAs since they were released in 2005. Basically, Eneloops could retain their charge...

We briefly reviewed battery chargers in a previous post “The Best Rechargeable AA Batteries“. But let’s take a look at the best “Universal Battery Chargers”. These are chargers that can handle...

There are now a number of low-discharge D-size cells available. These cells are as powerful as powerful alkaline batteries, and they hold 85% of their charge for a year. The highest-capacity D-size rechargeable cells are...

The best rechargeable C-size batteries are Acculoop C cells, by Accupower. These batteries are the new low self-discharge NiMH (Nickel Metal-Hydride) cells, and they have a high capacity of 4500 mAhs (milliamp hours).

In A Nutshell Here are my recommendations for the best rechargeable AA batteries: If you want the best energy capacity (2500 mAh) — get the Eneloop Pro If you want maximum recharge capacity (2100 times) — get...