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Sharing
SHARING
  • GS28<br><font color='#888888' size='2%'>USB-C*1, Micro-B*1, USB-A*2</font>
  • GS28<br><font color='#888888' size='2%'>USB-C*1, Micro-B*1, USB-A*2</font>
  • GS28<br><font color='#888888' size='2%'>USB-C*1, Micro-B*1, USB-A*2</font>
  • GS28<br><font color='#888888' size='2%'>USB-C*1, Micro-B*1, USB-A*2</font>
<>GS28
USB-C*1, Micro-B*1, USB-A*2

 Go Further, For Longer

Go Further, For Longer

With enough power to recharge just about any smartphone 4-6 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

Never Run On Empty Again

The GS28 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

Two Outputs, Two Times The Possibilities

Multi-tasking? The GS28 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

Two Inputs, Greater The Convenience

The GS28 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

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.

 Safe And Maximal Charging With SP's Core Technologies

Safe And Maximal Charging With SP's Core Technologies

smartFOCUS: an advanced calibrating technology that stabilizes voltage currents throughout the charging process to sustain maximal charging power.

 Safe And Maximal Charging With SP's Core Technologies

Safe And Maximal Charging With SP's Core Technologies

smartSHIELD: a comprehensive 12-point safety guard that ensures total protection against vulnerabilities for both users and devices.

Specifications

  • Capacity
  • 20,000mAh (74Wh / 3.7V)
  • Dimensions
  • 149.2mm x 69.1mm x 27.6mm
  • Weight
  • 412g ± 2g
  • Material
  • Plastic + PC
  • Color
  • Black, Pale Grey
  • Battery
  • Li-Polymer
  • Input
  • Micro-USB: 5V⎓2A
    Type-C: 5V⎓2A
  • Output
  • USB1 (USB Type-A): 5V⎓2.1A
    USB2 (USB Type-A): 5V⎓2.1A
    USB1+USB2: 5V⎓2.1A (max.)
  • Available Interface (Input)
  • Micro-USB, Type-C
  • Available Interface (Output)
  • USB Type-A (x2)
  • Operating Temperature
  • 10°C - 45°C
  • Protection
  • smartSHIELD
  • Charging time
  • 11 hours (2.0A power adapter suggested)
  • Certification
  • CE, FCC, PSE, Li-ion 00, RoHS, WEEE
  • Warranty
  • 13 months, 24 months (EU)

Features

  • 20,000mAh capacity provides 4-6 full charge cycles on just about any smartphone
  • 2 USB Type-A outputs charge up to 2 devices simultaneously
  • Dual input (Micro-USB and Type-C) for more convenient charging options
  • Carbon fiber texture provides a more secure grip, while the rounded shape is ergonomic
  • Battery indicator shows exact remaining percentage on a digitized LED display
  • smartSHIELD: Input High-Voltage Protection, Output High-Voltage Protection, Input Current Protection, Output Current Protection, Automatic Current Matching, Input Short-Circuit Protection, Output Short-Circuit Protection, Device Overcharge Protection, Reverse Charge Protection, Input Current Regulation, Static Resistance, and Fireproof Guard
  • Safeguarded by UL94 V-0 grade fire-resistant material, providing protection to both the charger and your devices during charging and storage.
  • High quality Li-Polymer battery is safer, thinner, and provides a more effective charge
  • Includes 1 USB Type-A to Type-C cable
  • Safe to fly with
  • Up to 2 million USD product liability insurance

Order Information

GS28
USB-C*1, Micro-B*1, USB-A*2

20000mAh
  • SP20KMAPBKGS280W
  • SP20KMAPBKGS280K

Download

manual
NameName Language Ios Date  
S103 Power Bank Manual Multi-Language 2018/04
S50_S100_S150_S200 Power Bank Manual Multi-Language 2018/04
QP77_PowerBankManual Multi-Language 2022/02
QP75_PowerBankManual Multi-Language 2022/02
QP70_PowerBankManual Multi-Language 2022/02
QP66_PowerBankManual Multi-Language 2022/02
QP65_PowerBankManual Multi-Language 2022/02
QP60_PowerBankManual Multi-Language 2022/02
GP25_PowerBankManual Multi-Language 2022/02
GD27_PowerBankManual Multi-Language 2022/02
GP27_PowerBankManual Multi-Language 2022/02
GP15_PowerBankManual Multi-Language 2022/02
GS15_PowerBankManual Multi-Language 2022/02
QP15_PowerBankManual Multi-Language 2022/02
QS15_PowerBankManual Multi-Language 2022/02
C10QC_18W_PowerBankManual Multi-Language 2022/10
C20QC_18W_PowerBankManual Multi-Language 2022/10
C200_PowerBankManual Multi-Language 2022/02
C100_PowerBankManual Multi-Language 2022/02
C50_PowerBankManual Multi-Language 2022/02
C10QC_20W_PowerBankManual Multi-Language 2022/10
C20QC_20W_PowerBankManual Multi-Language 2022/10
QP55_PowerBankManual Multi-Language 2022/10
QS55_PowerBankManual Multi-Language 2022/10
QX55_PowerBankManual Multi-Language 2022/10
QD50_PowerBankManual Multi-Language 2024/02