Go Further, For Longer
With enough power to recharge just about any smartphone 2-4 full times, you can remain connected for days, without being tethered. Plus, the carbon fiber texture provides a more secure grip, while the rounded shape is ergonomic, which makes it even more suitable for bringing along with you.
Never Run On Empty Again
The GP28 has a built-in battery indicator with a digitized LED display. It doesn't get any more straightforward than a clear percentage of the remaining battery level. With this detailed indication, you'll always know when it's time to recharge the power bank, so you'll never have to worry about running on empty again.
Two Outputs, Two Times The Possibilities
Multi-tasking? The GP28 is equipped with 2 USB Type-A ports, so it can charge up to 2 devices simultaneously. It's the perfect companion for those of us balancing multiple devices while on-the-go, or when traveling with a friend.
Two Inputs, Greater The Convenience
The GP28 is equipped with a Micro-USB input, but that's most power banks. What sets it apart is its Type-C input. Dual input options means greater convenience. Plus, it's the perfect future-proof addition to sync with the growing trend of Type-C ports on devices.
Safe And Maximal Charging With SP's Core Technologies
smartSENSE: an intuitive and universally-compatible charging technology that maximizes charging speed and auto-pairs with nearly any device.
smartFOCUS: an advanced calibrating technology that stabilizes voltage currents throughout the charging process to sustain maximal charging power.
smartSHIELD: a comprehensive 12-point safety guard that ensures total protection against vulnerabilities for both users and devices. More information: Power | Input voltage | 5 V |  | Input current | 2 A | | Output voltage | 5 V | | Output current | 2.1 A | | Port 1 output current | 2.1 A | | Port 2 output current | 2.1 A | | Power protection features | Over current, Over voltage, Overcharge, Short circuit | Technical details | Compliance certificates | CE, RoHS, WEEE | Operational conditions | Operating temperature (T-T) | 10 - 45 °C | Ports & interfaces | Input interface | Micro-USB + USB Type-C | | USB Type-A output ports | 2 | | USB Type-C ports quantity | 1 | Packaging content | Cables included | USB Type-A to USB Type-C | Weight & dimensions | Width | 67.6 mm | | Depth | 15.3 mm | | Height | 142.8 mm | | Weight | 228 g | Design | Number of simultaneously connected devices (max) | 2 | | Product colour | Grey | | Charger compatibility | Universal | | Housing material | Plastic, Polycarbonate (PC) | | Built-in display | Yes | | Display type | LED | | Shape | Rectangle | | Protection features | Fireproof, Static proof | | LED indicators | Battery level, Charging | Performance | Battery technology | Lithium Polymer (LiPo) | | Battery capacity | 10000 mAh | | Charging source | USB | | Battery voltage | 3.7 V | | Battery capacity | 37 Wh | | Battery charge time (USB) | 6 h |
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