Product comparison · 2 power banks

Samsung EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion) vs Ugreen PB521 Lithium Polymer (LiPo)

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  • 17specifications compared
  • 11differ
  • 6identical
  • 18known for one product only

Key differences

The Ugreen PB521 Lithium Polymer (LiPo) has 1 more simultaneously connected devices (max) than the Samsung EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion) (3 vs 2). The Samsung EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion) has 1 more USB Type-C ports quantity than the Ugreen PB521 Lithium Polymer (LiPo) (2 vs 1). The Ugreen PB521 Lithium Polymer (LiPo) has 0.23 A more output current than the Samsung EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion) (3 A vs 2.77 A). Battery technology: Lithium-Ion (Li-Ion) on the Samsung EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion), Lithium Polymer (LiPo) on the Ugreen PB521 Lithium Polymer (LiPo).

  • Number of simultaneously connected devices (max)
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):2
    • PB521 Lithium Polymer (LiPo):3
  • USB Type-C ports quantity
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):2
    • PB521 Lithium Polymer (LiPo):1
  • Output current
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):2.77 A
    • PB521 Lithium Polymer (LiPo):3 A
  • Output voltage
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):9 V
    • PB521 Lithium Polymer (LiPo):5 V
  • Width
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):70 mm
    • PB521 Lithium Polymer (LiPo):116 mm
  • Depth
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):15.6 mm
    • PB521 Lithium Polymer (LiPo):70 mm
  • Height
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):148 mm
    • PB521 Lithium Polymer (LiPo):30 mm
  • Weight
    • EB-P3400XUEGUS power bank Lithium-Ion (Li-Ion):210 g
    • PB521 Lithium Polymer (LiPo):344 g

Side by side

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Comparison of EB-P3400XUEGUS, PB521
35 specifications
Design2 differ
Number of simultaneously connected devices (max)Differs23
Product colourBeigeBeige
Housing materialKnown for oneUnknown — not stated by the sourcePolycarbonate (PC), Acrylonitrile butadiene styrene (ABS)
Charger compatibilityDiffersHeadphones/Headset, Mobile phone/Smartphone, TabletUniversal
Built-in displayKnown for oneUnknown — not stated by the sourceYes
Display typeKnown for oneUnknown — not stated by the sourceLED
ShapeKnown for oneUnknown — not stated by the sourceRectangle
Performanceidentical
Charging sourceUSBUSB
Battery capacityKnown for oneUnknown — not stated by the source74 Wh
Fast chargingYesYes
Fast charging technologyKnown for oneUnknown — not stated by the sourceQuick Charge 3.0
USB Power Delivery (USB PD)YesYes
USB Power Delivery up toKnown for oneUnknown — not stated by the source30 W
Battery charge time (USB)Known for oneUnknown — not stated by the source4 h
Ports & interfaces1 differ
Input interfaceUSB Type-CUSB Type-C
USB Type-A output portsKnown for oneUnknown — not stated by the source1
USB Type-C connectorYesYes
USB Type-C ports quantityDiffers21
Power2 differ
USB Type-C charging portKnown for oneUnknown — not stated by the sourceYes
Output currentDiffers2.77 A3 A
Output voltageDiffers9 V5 V
Input voltageKnown for one9 VUnknown — not stated by the source
Total output powerKnown for one25 WUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers70 mm116 mm
DepthDiffers15.6 mm70 mm
HeightDiffers148 mm30 mm
WeightDiffers210 g344 g
Cable lengthKnown for one0.2 mUnknown — not stated by the source
Battery2 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Battery capacityDiffers10000 mAh20000 mAh
Packaging contentidentical
Cables includedKnown for oneUSB Type-C to USB Type-CUnknown — not stated by the source
Quantity per packKnown for one1 pc(s)Unknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Packaging contentKnown for oneBattery Pack, USB-C to USB-C Charging Cable, QSGUnknown — not stated by the source
Packaging dataidentical
Package typeKnown for oneHanging boxUnknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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