The Best External Hard Drives Of 2012

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External hard drives allow you to add terabytes of storage to your computer for a few hundred dollars. External drives connect to PCs and Macs via their external connectors. Almost every computer has a USB 2.0 port, so it’s the most common type of connection currently. Here’s the speed of other interfaces (from slowest to fastest): FireWire 400, USB 2.0, FireWire 800, eSATA (external …

The Best LED Reading Lamps

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The small size and directional light output of LEDs make them ideal for personal reading lights, and they are energy efficient too. Here are some of the best LED reading lamps:

The Best Stereo Amplifiers Of 2012

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This year, we found that Onkyo and Harmon Kardon are the brands that produced the best budget stereo amplifiers. Above the $500 level, your best bet is a amplifier like the Marantz PM6004 Integrated Amplifier. It received What Hi-Fi’s Product Of the Year in 2011. See also our master list of American-made amplifiers and audio products on Reactual. The Best Budget Amplifier: Onkyo …

The Best LED Camping Lanterns Of 2015

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LED Lanterns are perhaps the most useful portable lights — they can be used as camp lights, work lights, or emergency lights. The LEDs inside aren’t susceptible to shocks, and they burn for decades.

The Best Golf Cart Chargers Of 2012

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.

A Review Of NiZn Batteries

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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.

The Best 18650 Batteries Of 2015

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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 …

The Best 9V Rechargeable Battery

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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 …

The Best Rechargeable AA Batteries For Flash

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In A Nutshell When recharging a camera flash, you need a battery capable of delivering a high amount of current in a short time. Ideally, you want the batteries with the highest rated capacity. 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 …

The Best Ni-MH Battery Chargers

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In A Nutshell The best Ni-MH (Nickel-Metal Hydride) battery charger is a “smart charger” like the LaCrosse BC-700 Charger (sells for $36).  Smart chargers have circuitry to prevent overcharging and damaging your batteries. They also provide features that allow you to test and “renew” Ni-MH batteries. If you are looking for a charger that also charges C, D and 9V batteries, we …