Description:<br />This is a DIY 18650 Mobile Power Bank. You can put 1 to 4 18650 batteries into the slot. Therefore， you can determine the capatcity of the mobile power bank.<br /><br />Main Features:<br />•Simply drop in 1 - 4 x 18650 batteries to make your own power bank (batteries not included)<br />•Input voltage / current: DC 5V / 0.5 - 2.1A<br />•Output voltage / current: DC 5V / 1A， DC 5V / 2A<br />•Reverse polarity protection<br />•Flat top or button top 18650 batteries both can be used in this power bank<br />•With switch button<br />•With battery capacity indicator and output indicator<br />•LCD shows the capacity<br />•Intelligent power manage IC， overcharge protection， short circuit protection<br /><br />    Specifications<br />General<br />	 Type: Portable Mobile Powers                                                  <br />                        Model: E3                                                  <br />                        Compatibility  : Galaxy Note 3 N9000， HTC， iPhone 5/5S， MP3， Tablet， Motorola， HTC， Google Nexus 4/5， Nokia Lumia 920/820， Samsung Galaxy S5， Blackberry， iPhone 4/4S， Samsung Galaxy S4 i9500/i9505， iPod， iPhone 6， Nokia Lumia 920/820， Blackberry， HTC 8X， iPhone 6 Plus， iPad， Sony Ericsson， iPhone 5C， iPhone 5C， iPad， iPhone 6 Plus， HTC 8X， iPhone 6， iPod， Sony Ericsson， Samsung， Samsung Galaxy S4 i9500/i9505， iPhone 4/4S， Samsung Galaxy S5， Apple， Google Nexus 4/5， Tablet， MP4， Samsung， Motorola， Galaxy Note 3 N9000， Apple， iPhone 5/5S， Galaxy Note 2 N7100， LG， Samsung Galaxy S3 i9300， MP4， MP3， Nokia， Galaxy Note 2 N7100， LG， Samsung Galaxy S3 i9300， Nokia                                                  <br />                        Capacity (mAh): Replaceable 18650 Mobile Power Bank                                                  <br />                        Special Functions: Replaceable 18650 Battery Mobile Power Box， LCD Digital Display， Dual USB Outputs                                                  <br />                        Connection Type: Two USB Output Interface， Two USB Output Interface， Micro USB                                                  <br />                        Battery type: Li-ion Battery                                                  <br />                        Color: White                                                	<br />Specification<br />	 Input: DC 5V / 0.5 - 2.1A                                                  <br />                        Output: DC 5V / 1A， 5V / 2A                                                	<br />Dimension and Weight<br />	 Product weight: 0.113 kg                                                  <br />                        Package weight: 0.160 kg                                                  <br />                        Product size (L x W x H) : 13 x 8.3 x 2.6 cm / 5.1 x 3.3 x 1.0 inches                                                  <br />                        Package size (L x W x H): 15.6 x 8.5 x 3.6 cm                                                	<br />Package Contents<br />	 Package Contents : 1 x 18650 Mobile Power Bank， 1 x USB Cable                                                	<br /><br /><br /><br />                                                                                            <br />