HOME Products Power Banks 20000mAh SP GS28 Power Bank

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SP GS28 Power Bank

• 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

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Product Introduction
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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.

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 Outputs, Two Times The Possibilities

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.

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.

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

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

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

smartSENSE: an intuitive and universally-compatible charging technology that maximizes charging speed and auto-pairs with nearly any device.

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)
Protection	smartSHIELD
Charging time	11 hours (2.0A power adapter suggested)
Operating Temperature	10°C - 45°C
Certification	CE, FCC, PSE, Li-ion 00, RoHS, WEEE
Warranty	13 months, 24 months (EU)
Note	Manufacturing Date Code Year: Leading numeric code (e.g. 24 = 2024) Month: Following letter code A = Jan　B = Feb　C = Mar　D = Apr E = May　F = Jun　G = Jul　H = Aug J = Sep　K = Oct　L = Nov　M = Dec *The letter "I" is omitted to avoid confusion with the number "1".