273

The Best Rechargeable Batteries and Chargers Of 2016

by Justin Thomas •

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 the 4th Generation Panasonic Eneloops (800 mAh) If you want to save some money and don’t mind a little less performance from your …

10

The Longest Lasting Rechargeable AA Batteries

by Justin Thomas •

Sanyo XX "Powered By Eneloop"

Update: This article is out-of-date, please see my 2015 review.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 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.

10

The Highest Capacity Rechargeable AA Batteries

by Justin Thomas •

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 longer. The highest capacity rechargeable AA batteries are: Ansmann’s 2850 mAh batteries and Powerex’s 2700 mAh batteries. Of these two batteries, Powerex’s 2700 mAh gets the most positive reviews from photographers. It received …

8

The Best C-Size Rechargeable Batteries Of 2015

by Justin Thomas •

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).

49

Do Rechargeable Lithium-Ion AA Batteries Exist?

by Justin Thomas •

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. Lithium-ion batteries normally operate 3.7V per cell — but Kentli put circuitry inside the cells to reduce the voltage …

14

The Best D-Size Rechargeable Batteries Of 2015

by Justin Thomas •

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 above are rated at 11,000 …

The Best Golf Cart Chargers Of 2012

by Justin Thomas •

What do you want in a golf cart charger? Golf cart batteries are lead-acid batteries that operate at 36 or 48 volts. Like all lead-acid batteries, they must be charged at a specific voltage and amperage levels. They cannot be fast charged — a full charge requires 14 to 16 hours.

4

A Review Of NiZn Batteries

by Justin Thomas •

NiZn (Nickel-Zinc) batteries are a type of rechargeable AA battery that operates with a nominal voltage 1.6 volts, which is very close to the 1.5 volts of alkaline batteries. This makes NiZn battery perform well in high-drain devices like handheld games.

9

The Best 18650 Batteries Of 2015

by Justin Thomas •

In a Nutshell Our choice for the best 18650 battery is the Orbtronic cell. This battery has a high capacity (3100 mAh), and maintain their voltage until fully drained. A two-pack of these cells is available at Amazon for around $30. Also available are Panasonic 18650 cells, with a bit more capacity (3400 mAh). If you are looking for a …

33

The Best 9V Rechargeable Battery

by Justin Thomas •

In A Nutshell The highest-capacity 9V rechargeable: Accupower’s 300 mAh 9 Volt Rechargeable NiMH Battery The best low-discharge 9V rechargeable: Tenergy Centura 9V 200mAh Low Self-Discharge NiMH Rechargeable Batteries The best lithium-ion 9V rechargeable: 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 …