For charging batteries, this Xiaomi ZI5 Intelligent Quick Charge AA AAA Ni-MH USB Battery Charger Power Bank is the best choice! ZI5 automatically detects battery type and status, preventing from charging premium cells and over charging. It is so small and lightweight, but works perfectly in quick charging. With 4 slots, it allows 4pcs batteries to be charged at the same time. In addition, this battery charger also acts as a power bank. It will bring you a lot convenience!<!--Features --><p>FEATURES</p><UL><LI>Designed for AA / AAA Ni-MH batteries</LI><LI>Charge 4pcs Ni-MH batteries simultaneously, each of the 4 slots work independently</LI><LI>Double as back-up power bank</LI><LI>Quick charge</LI><LI>Intelligent current regulation</LI><LI>Multiple protections: over charging / over discharge / over voltage / over current protection / short circuit protection / over-heating protection / reverse polarity protection and electromagnetic prevention</LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131><SPAN style="COLOR: #e53333"></SPAN>Type</TD><TD width=365>Charger</TD></TR><TR><TD width=131>Brand</TD><TD width=365>XiaoMi</TD></TR><TR><TD width=131>Model</TD><TD width=365>ZI5</TD></TR><TR><TD width=131>Plug</TD><TD width=365>USB</TD></TR><TR><TD width=131>Charging Cell Type</TD><TD width=365>Ni-MH</TD></TR><TR><TD width=131>Compatible</TD><TD width=365>AA, AAA(<STRONG><SPAN style="COLOR: #e53333">Not Included</SPAN></STRONG>)</TD></TR><TR><TD width=131>Rechargeable Battery Qty</TD><TD width=365>4pcs</TD></TR><TR><TD width=131>Input Voltage</TD><TD width=365>DC 5V</TD></TR><TR><TD width=131>Output Voltage</TD><TD width=365>DC 5V / 1A; USB output: 5V / 0.5A</TD></TR><TR><TD width=131>Circuit Detection</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Protected Circuit</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Reverse Polarity Protection</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Over Voltage Protection</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Short Circuit Protection</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Over Charging Protection</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Over Discharging Protection</TD><TD width=365>Yes</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(3.03 x 2.48 x 0.96)" / (7.7 x 6.3 x 2.45)cm (L x W x H)</TD></TR><TR><TD width=131>Weight</TD><TD width=365>2.05oz / 58g</TD></TR></TBODY></TABLE><IMG alt="" src="http://www.image-tmart.com/info_images/86010909-01.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86010909-02.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86010909-03.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86010909-04.jpg"><IMG alt="" src="http://www.image-tmart.com/info_images/86010909-05.jpg"><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Xiaomi ZI5 Ni-MH Battery Charger(<STRONG><SPAN style="COLOR: #e53333">Batteries are&nbsp;not included</SPAN></STRONG>)</LI></UL><!--Extra Info --><!--produts_compatibility -->