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HomeEmergency PreparednessT-9228 Tenergy Pocket Size LCD NiMH 2-4 Hours Batteries Charger with Alarm Clock and Thermometer --- SALE! |
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|  |  | | Customer Reviews: | | | Average Customer Review: ( 1 customer reviews )
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1 of 1 found the following review helpful:
Versatile charger with lots of bells and whistles - Flimsy construction Dec 27, 2010
By NLee the Engineer The T-9228 Tenergy Pocket Size LCD NiMH 2-4 Hours Batteries Charger is a multi-functional travel charger. Here is a breakdown of the components in the package:
- The base unit is a 4-cell AA/AAA charger that also functions as an alarm clock _and_ a USB power port. It has a very impressive-looking LCD panel. In addition to four battery-status indicators, the panel also shows the present Time, Date, and temperature. The alarm clock function even has selectable ring tones.
- An AC adapter (input: 100-240V AC, output: 12V DC) to power the charger.
- A CLA (cigarette lighter adapter) cable to power the charger form 12V car battery.
- An USB cable to power the charger from your computer's USB port.
So far, this package sounds like a great deal. But there are several issues you have to be aware of:
1. The USB output port only works when the charger is connected to AC adapter or 12V CLA. It cannot be powered by internal rechargeable batteries. (If this function is important to you, consider the Duracell Mobile Charger CEF23 instead)
2. You cannot use the USB port while charging any batteries.
3. When charging 1-2 cells _and_ when the charger is powered by AC adapter or 12V CLA, the charging current is 1200mA per cell, so it takes about 2 hours to fully recharge two 2000-2400mAh cells. When charging 3-4 cells, the charging current drops to 800mA, and so charge time becomes 3 hours. If the charger is powered from an USB port, the charging current is further reduced (560mA each for 1-2 AA cells, 280mA for 3-4 cells).
4. The LCD panel has very poor contrast, so it is difficult to read without the help of its backlight. But the backlight is not available when the base unit is operating in standalone mode, powered by its internal lithium button cell.
5. The top cover housing the LCD panel is very flimsy. Just by pressing the top lightly, I can see the LCD display fading in and out. If I ever pack it for my trip, it could be easily damaged from the pressure asserted on its panel.
6. The sound from the alarm clock is _very_ soft. I would never rely on it to wake me up while traveling.
I really wish I could recommend this charger, simply because it is one of very few models left that can recharge each cell individually. Unfortunately, after just one week of light use, the time and date portion of the LCD panel already failed. Finally I have to return the unit for a refund.
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