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Actual Performance

Two sizes of rechargeable batteries were used for the test. They are the Sanyo Twicell 700 and the Sanyo Twicell 1600. The Sanyo Twicell 700 is a AAA sized rechargeable Ni-Mh battery with a capacity of 700mAh while the Sanyo Twicell 1600 is a AA sized rechargeable battery with a capacity of 1600mAh. These capacities are currently one of the highest in their respective categories. These rechargeable batteries are quality cells produced in Japan by Sanyo.

  

Sanyo Twicell 700 x 2

Discharge Current Used:

300mA

Initial voltage before discharge:

1.23V

Discharge Time:

33 minutes

Remaining voltage of battery after discharge:

1.17V

Charging Time:

58 minutes

Voltage of fully charged battery (measurement taken an hour later after removing the battery from the charger)

1.42V

 

 Sanyo Twicell 1600 x 2

Discharge Current Used:

300mA

Initial voltage before discharge:

1.35V

Discharge Time:

4 hours 48 minutes

Remaining voltage of battery after discharge:

1.17V

Charging Time:

2 hours 15 minutes

Voltage of fully charged battery (measurement taken an hour later after removing the battery from the charger)

1.43V

 

The batteries were discharged using a 300mA current draw to ensure that the measurements taken reflect a fully discharged state to begin with. Voltage readings were taken with a multi-meter and the fully charged batteries were given sufficient time for the voltage to stabilise after the fast charge process.

  

Conclusion

The results speak for themselves. The actual performance is even faster than the estimated timings. Apart from the speed, the IC is equipped with many useful features, practically an all-in-one product. You do not need to purchase additional equipment for discharging batteries nor do you need to purchase a timer to stop the charging process to avoid over charging your batteries. This is truly a well-made intelligent charger, which is versatile in many aspects. With an appropriate DC adaptor, you can also use the IC in the car while on the move.

I have yet to find any shortcomings with the IC. It has been providing consistent performance for over half a year, together with the Sanyo rechargeable batteries. It may be priced above your average charger but at this performance level, the premium is certainly worth every penny. It will, however be nice, if it can simultaneously recharge up to four batteries at any one time.  This will be like adding icing to a cake, making it a truly excellent product.  Now, if I can only find a higher capacity AAA sized rechargeable battery for my pda …

 

 

 
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