RG5G Series 1.5V AA (National standard R6) rechargeable lithium battery, non-removable and charge & discharge controller, they have all the complete feature with high power capacity, long cycle life, no memory effect, charge/discharge with the same electrode, control and protection etc. The external electrode, out dimension, discharge voltage are comply to IEC 60086-2 technical standard. It can replace the same specification Alkaline battery, NI-MH battery, Nickel-Cadmium battery and Nickel-Zinc battery. RG5G series product has the advantage not only supporting constant current-constant voltage- float current charge control method and DC-DC discharge control method, but also has unique advantages as below