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BG45154572103/02/2020
One of the best charger in this price. It can charge the cells from 100 mili amps to 1500 mili amps (100mA, 200mA, 300mA... so on).
Better that this one is only its upgraded veraion which is UMS 2. That is capable up to 2A charging current. And its screen gets off automatically after 3 minutes for energy saving.
Changing the current amount is a bit tricky, follow the instructions very very carefully. At the final step (after setting the current to whatever, say 200 mA) : press the C button for 3 seconds and then just do nothing. Wait for 5 seconds then you can automatically see that particular slots charging current is around 200 amps.You may notice merely 10% fluctuations of the set current, which is absolutely fine because our home supply AC current always fluctuates. So just be calm and see the magic.
The automatic cut off/shut down procedure (when the battery is full) is a piece of art. So, accurate. I'm in love with it.
And this charger has an intelligent charging function. Just slot the batteries in and it will detect an approximate capacity and then it will start the charging accordingly.You don't need to set any current.
Only 2 drawbacks :
1. The automatic current (around 500 mA) is pretty high for low capacity AA, AAA cells (Ni-Cd or Ni-Mh).
I recommend strongly to set the charging below 400 mA for such cells.
You need to set a current amount which will be not too fast or too slow. Full charging time should be around 2.5 to 3 hours.
So, if your cell capacity is around 1200 mAh (mili amp hour) you should set the current around 1200 ÷ 3 = 400 mA (same for any cell Li-ion or AA, AAA).
If, the capacity is 600 mAh , the charging current should be 600 ÷ 3 = 200 mA.
2. It has no USB output port. That means you can not use the power of a cell via this device, i.e. you can't use it as a power bank when there is no voltage on your home.
But it's completely fine.
3. The screen remains on for a very long time i.e. 10 minutes. Hence wasting energy.
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