Part: GXV0J50547 Model Number: PB500 High performance Large capacity(10000mAh) Portable design & Light weight Slim design 15mm Multiple security design Supports two device charging simultaneously Four battery indicator Input Voltage(1 Port): 5 V DC Output Voltage(2 Port): 5 V DC Black Color Compatible with Media player, Mobile Phone, Tablet 1 Year Onsite Warranty

Brand : Lenovo Part Number : GXV0M42442 Capacity : 5000mAh Battery Cell : Polymer Battery Input : Micro USB 5V Output : USB Port 5V  Color : Silver 1 Year Onsite Warranty

Brand : Lenovo Part Number : GXV0M41971 Capacity : 5000mAh Battery Cell : Polymer Battery Input : Micro USB 5V/1.5A Output : USB Port 5V /2.1A Color : Black 1 Year Onsite Warranty

Brand:Lenovo Model:CA1BX0CC4A640A Model Name:PA13000 Item Weight:399 g Product Dimensions:14.1 x 6.4 x 2.2 cm Batteries:1 Lithium ion batteries required. (included) Item model number:CA1BX0CC4A640A Included Components:Power Bank Batteries Included:Yes Batteries Required:Yes Battery Capacity:2600 milliampere_hour Battery Cell Composition:Lithium Ion Battery Power:13000 Number of Ports:2

Dual output USB interfaces Compatible with all smartphones Support 2 devices charge at one time Portable design and light weight Battery type: Lithium-ion 1 year warranty

Features:Led Indicators, Fast Charge Connectivity:USB 2.0, Output Ports : 2 Power Requirement:Input 5 V, 2 A, Output 5 V, 2.1 A Battery:Li-Polymer, 10000 mAh, AC Adaptor Charging, USB Charging

Brand:Lenovo Model:PB420 Model Name:PB420 Item Weight:181 g Product Dimensions:18.2 x 11.6 x 2.4 cm Batteries:1 Lithium Polymer batteries required. (included) Item model number:PB420 Included Components    Power Bank Batteries Included:Yes Batteries Required:Yes Battery Capacity:5000 milliampere_hour Battery Cell Composition:Lithium Polymer Battery Power:5000