GP Power Bank f. Micro AA + M Graupner 6439 The GP Power Bank is suitable for charging 4 or 8 AA-size / AAA-size NiMH batteries simultaneously. Two independent LEDs indicate the cells state of charge. A safety circuit is included which trips after six hours charging. Input voltage : 230 V AC
Output voltage : 5.6 V DC
Charge current, AA approx. 500mA
Charge current, AAA approx. 200 mA