1600mah battery case/power case

Product type: ordinary mobile power supply Battery type: lithium-ion batteries Battery capacity: ****0 mah Products: voltage: DC 5 v / 1 a Output: 5 v / 2.1 A Charging time: about *8 hours Other parameters The interface: DC MicroUSB Output interface: USB2.0 Cycle life: > **0 times Security features: through the software and hardware double charge protection Applicable products: compatible with most cell phones on the market with digital equipment Applicable environment: - *0 ℃ to *0 ℃ Digital display: Charging and power usage condition be clear at a glance Cooling device: special circuit design in order to protect the product temperature, lower consumption and fever, to ensure maximum battery energy is converted to the output A product new batteries: strictly through laboratory tests, cut domestic inferior mobile power supply directly Other features: the average conversion rate *5% or higher The appearance parameter Product color: white Product size: **7 * *8 * *2.5 mm Product weight: **9 g Mobile power accessories Packing list: Mobile power x1 in one USB charging line x1 4 s / 5 connector x1