Do Rechargeable Lithium-Ion AA Batteries Exist?

kentli rechargeable lithium ion

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 are available on Amazon here. Lithium-ion batteries normally operate 3.7V per cell — but Kentli put circuitry inside […]

The Best Rechargeable Batteries and Chargers Of 2015

best-rechargeable-batteries

In A Nutshell Here are my recommendations for the best rechargeable AA batteries: If you want the best energy capacity (2550 mAh) — get the Eneloop Pro If you want maximum recharge capacity (2100 times) — get the 4th Generation Panasonic Eneloops If you want to save some money and don’t mind a little less […]

The Best D-Size Rechargeable Batteries Of 2014

Maha PowerEx Rechargeable D Batteries

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 rated at 11000-12000 mAh (milliamp hours). Here are our recommendations: The Highest Capacity D-Size Batteries: Powerex The Powerex batteries pictured […]