Duracell Mobile Charger With 2AA And 2AAA Pre Charged Rechargeable Nimh Batteries, CEF23DX4N
by Duracell
Our Price: $69.99
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Category: CE
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Manufacturer: DuracellRelease Date: 2007-10-24
Product features:
- The Duracell Mobile Charger essentially serves as a portable power hub, delivering power from 4 charged batteries
- Allows users to charge AA or AAA rechargeable Nickel Metal Hydride (NiMH) batteries by plugging the unit directly into a wall or car outlet
- Also features an USB port to enable users to charge a wide range of USB-enabled devices with built in rechargeable batteries
- Provide power to USB devices in 3 ways:via 4 pre-charged NiMH batteries, by plugging the mobile charger into a wall or by plugging into a car adapter
- Contains 2 AA & 2AAA pre-charged rechargeable batteries
Digital Cameras Photo Reviews of Duracell Mobile Charger With 2AA And 2AAA Pre Charged Rechargeable Nimh Batteries, CEF23DX4N
Customer Review: Versatile battery-charger with dual-personality
Summary: 5 Stars
The Duracell Mobile Charger (CEF23) is an extremely versatile charger. It actually has two operating modes, as selected by the MODE button:
1. As an AA/AAA NiMH battery charger, or
2. As an USB charger for USB-powered devices.
In battery-charger mode, the unit is a smart charger that accepts 1-4 AA/AAA cells in any combinations. The charger can be powered by either 100-240V universal AC input, or 12V DC input. This means you can also operate it from your vehicle's cigarette lighter adapter. Note that the car adapter is included in the CEF23DX4N, but not in the CEF23DX2.
The charging current is 550mA for each AA/AAA cell. So it takes about 4 hours to full charge up the included 2000mAh low-self-discharge cells (which are the Duracell-equivalent of Sanyo eneloop). I consider this a good compromise between shorter charging time and longer battery lifespan. Once charging is done, the current is reduced to 25mA (actually 0-50mA pulsed at 50% duty cycle) in trickle charge mode.
One really nice feature of this charger is that it has four individual battery status indicator lights. The status light for each cell turns RED when charging, GREEN when the cell is fully charged. It will even blink if you accidentally inserted an alkaline cell.
In USB charger mode, the unit generates a regulated 5-volt supply at its USB socket. You can then connect an USB-powered device (such as IPOD charger) to this unit. Input power for this USB charger can be from one of the following sources:
1. From 100-240V universal AC input,
2. From 12V DC input (car adapter), or
3. From four AA/AAA NiMH cells in the battery compartment.
The third way is the most interesting, because in case of emergency, you can even use 4 alkaline cells to power this USB charger, in order to charge up your cell phone's battery.
I must say that this charger is really well designed. It is a great bargain even if all you need is a simple battery charger. The USB charger mode is just an extra bonus.
[Update on Oct 7, 2010]:
Duracell has discontinued the excellent CEF23 charger (at least in the US) last year. So prices for the remaining inventory have skyrocketed. The replacement product (Duracell Go Mobile Charger) only charges in pairs, and does not contain an USB charger.
- If you just need an inexpensive 2-cell charger that can handle individual cell, consider the Sanyo eneloop MDR02.
- If you need a good 4-cell charger that can operate from 12V cigarette lighter adapter, consider the Targus LCD2700 with LCD Display
- If you need an advanced charger that can operate from 12V CLA, consider the La Crosse Technology BC500
- If you need a good 4-cell charger that can operate from 12V CLA _and_ can power an USB port using internal batteries... Sorry! Your best hope is to look for an international version of CEF23.
[Update on Dec 1, 2010]
Just in case anyone is still interested in this charger: I recently found out that its USB port is capable of supplying 1000mA output current - even though the spec says 500mA only. I discovered this by accident when using it as a portable recharger for my Archos 5 500 GB Internet Tablet.
More Duracell Mobile Charger With 2AA And 2AAA Pre Charged Rechargeable Nimh Batteries, CEF23DX4N reviews:
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Description of Duracell Mobile Charger With 2AA And 2AAA Pre Charged Rechargeable Nimh Batteries, CEF23DX4N
Duracell Mobile Charger with 2AA and 2AAA Pre-Charged (CEF23DX4) essentially serves as a portable power hub, delivering power from 4 charged batteries to a variety of high drain ranging from digital cameras to Blackberries to MP3 playersProducts
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