Product comparison · 2 power banks

Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion) vs Ugreen PB521 Lithium Polymer (LiPo)

18specifications compared
13differ
5identical
17known for one product only

Key differences

The Ugreen PB521 Lithium Polymer (LiPo) has 1 more simultaneously connected devices (max) than the Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion) (3 vs 2). The Ugreen PB521 Lithium Polymer (LiPo) has 37 Wh more battery capacity than the Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion) (74 Wh vs 37 Wh). The Ugreen PB521 Lithium Polymer (LiPo) has 5 W more USB Power Delivery up to than the Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion) (30 W vs 25 W). Charger compatibility: Mobile phone/Smartphone, Tablet on the Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion), Universal on the Ugreen PB521 Lithium Polymer (LiPo). Output current: 2770 mA on the Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion), 3 A on the Ugreen PB521 Lithium Polymer (LiPo).

Number of simultaneously connected devices (max)
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):2
- PB521 Lithium Polymer (LiPo):3
Battery capacity
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):37 Wh
- PB521 Lithium Polymer (LiPo):74 Wh
USB Power Delivery up to
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):25 W
- PB521 Lithium Polymer (LiPo):30 W
USB Type-C ports quantity
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):2
- PB521 Lithium Polymer (LiPo):1
Output current
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):2770 mA
- PB521 Lithium Polymer (LiPo):3 A
Output voltage
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):3.3-11.0 V
- PB521 Lithium Polymer (LiPo):5 V
Width
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):72 mm
- PB521 Lithium Polymer (LiPo):116 mm
Depth
- EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion):14.9 mm
- PB521 Lithium Polymer (LiPo):70 mm

Side by side

Differences highlightedShow differences only

Comparison of EB-P3401XUEGWW, PB521
35 specifications	A Samsung EB-P3401XUEGWW power bank Lithium-Ion (Li-Ion) Model EB-P3401XUEGWW View product	B Ugreen PB521 Lithium Polymer (LiPo) Model PB521 View product
Design2 differ
Number of simultaneously connected devices (max)Differs	2	3
Product colour	Beige	Beige
Housing materialKnown for one	Unknown — not stated by the source	Polycarbonate (PC), Acrylonitrile butadiene styrene (ABS)
Charger compatibilityDiffers	Mobile phone/Smartphone, Tablet	Universal
Built-in displayKnown for one	Unknown — not stated by the source	Yes
Display typeKnown for one	Unknown — not stated by the source	LED
ShapeKnown for one	Unknown — not stated by the source	Rectangle
On/off switchKnown for one	Yes	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	Super Fast Charging : Galaxy S10 5G, Galaxy Note10, Galaxy Z Fold2, Galaxy Z Flip3 & Later // Galaxy A90 5G, A80, A70, A52, A33, A23, A05, A15 & Later // Galaxy M31s, M51, M62, M23, M53, M14 & Later // Galaxy Tab S7 & Later	Unknown — not stated by the source
Performance2 differ
Charging source	USB	USB
Battery capacityDiffers	37 Wh	74 Wh
Fast charging	Yes	Yes
Fast charging technologyKnown for one	Unknown — not stated by the source	Quick Charge 3.0
USB Power Delivery (USB PD)Known for one	Unknown — not stated by the source	Yes
USB Power Delivery up toDiffers	25 W	30 W
Battery charge time (USB)Known for one	Unknown — not stated by the source	4 h
Wireless chargingKnown for one	No	Unknown — not stated by the source
Built-in radioKnown for one	No	Unknown — not stated by the source
Ports & interfaces1 differ
Input interface	USB Type-C	USB Type-C
USB Type-A output portsKnown for one	Unknown — not stated by the source	1
USB Type-C connectorKnown for one	Unknown — not stated by the source	Yes
USB Type-C ports quantityDiffers	2	1
Power2 differ
USB Type-C charging port	Yes	Yes
Output currentDiffers	2770 mA	3 A
Output voltageDiffers	3.3-11.0 V	5 V
Input voltageKnown for one	9 V	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	72 mm	116 mm
DepthDiffers	14.9 mm	70 mm
HeightDiffers	148 mm	30 mm
WeightDiffers	215 g	344 g
Battery2 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Battery capacityDiffers	10000 mAh	20000 mAh
Packaging contentidentical
Cables includedKnown for one	USB Type-C to USB Type-C	Unknown — not stated by the source
Packaging contentKnown for one	Battery Pack, USB-C to USB-C Charging Cable, QSG	Unknown — 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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