Saturday, March 5, 2011

How To Use DLE USB Charger

A reader asked about the free USB charger from Digital Lifestyle Expo 2010...


Life has been hectic, good and bad. Finally got some time to relax now in JB and hopefully it's not too late to share how to use the free gift now.

Whenever deal with charger or electrical and electronic stuff, we must first find out the technical specification of this charger...



Shown above, it can charge Lithium battery with max 5V or 4.2V to be precise, and deliver 250mA. What this means to you? Check the specification of your original charger, you can safely use this USB charger as alternative if the DC output voltage (V) of the original charger matches this. Otherwise do not use it or you might fry your device. The ampere (A) is not really a concern, higher A means you can charge faster. Most genuine chargers range from 500mA to 1000mA, so 250mA probably means the charge time is at least double up when using this USB charger.

It's an intelligent circuitry that it can automatically detect the anode (or positive) and cathode (negative). And it can be used as TF card reader! TF card is aka SD card. I did not try this feature though as I don't have a spare SD card.

Now let's understand its structure...



There are 2 adjustable pins to fit different size of batteries. One for + positive and the other for - negative. Now check out the battery...


Align one pin to the negative contact on the batter and the other pin to the positive. Make sure both are secured at their position...



One green LED lights up, means you've got the + and - polarity aligned correctly...


Now plug it either into your PC's USB or an USB charger like below...


A red LED lights up and it starts charging! Enjoy the portability of this charger!