Product comparison · 2 power banks

CyberPower CPBC4400 power bank Lithium-Ion (Li-Ion) vs Dell 451-BBME power bank

6specifications compared
5differ
1identical
20known for one product only

Key differences

Number of simultaneously connected devices (max)
- CPBC4400 power bank Lithium-Ion (Li-Ion):1
- 451-BBME power bank:2
Charging source
- CPBC4400 power bank Lithium-Ion (Li-Ion):USB
- 451-BBME power bank:DC
USB ports quantity
- CPBC4400 power bank Lithium-Ion (Li-Ion):1
- 451-BBME power bank:2
Battery capacity
- CPBC4400 power bank Lithium-Ion (Li-Ion):4400 mAh
- 451-BBME power bank:12000 mAh

Side by side

Differences highlightedShow differences only

Comparison of CPBC4400, 451-BBME
26 specifications	A CyberPower CPBC4400 power bank Lithium-Ion (Li-Ion) Model CPBC4400 View product	B Dell 451-BBME power bank Model 451-BBME View product
Design2 differ
Number of simultaneously connected devices (max)Differs	1	2
Product colour	Black	Black
Charger compatibilityDiffers	Mobile phone/Smartphone, Tablet, MP3/MP4, GPS, E-book reader	Laptop/netbook, Tablet
On/off switchKnown for one	Yes	Unknown — not stated by the source
Built-in flashlightKnown for one	Yes	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	Inspiron 14 (7437) - 7000 Series Inspiron 7348 Inspiron 7548 Latitude (3550) Latitude 14 (7404) Latitude 7350 Latitude E5250 Latitude E5450 Latitude E5550 Venue 11 Pro (7140) Venue 8 (7840) Venue 8 Pro (3845)
Performance1 differ
Charging sourceDiffers	USB	DC
Battery voltageKnown for one	3.7 V	Unknown — not stated by the source
Battery charge time (USB)Known for one	6 h	Unknown — not stated by the source
Ports & interfaces1 differ
USB ports quantityDiffers	1	2
Poweridentical
Input voltageKnown for one	5 V	Unknown — not stated by the source
Input currentKnown for one	1 A	Unknown — not stated by the source
Output currentKnown for one	1 A	Unknown — not stated by the source
Output voltageKnown for one	5 V	Unknown — not stated by the source
Power protection featuresKnown for one	Overcharge, Overdischarge, Overload, Short circuit	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-10 - 50 °C	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	FCC/CE/MFi	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	58.4 mm	Unknown — not stated by the source
DepthKnown for one	76.2 mm	Unknown — not stated by the source
HeightKnown for one	22.9 mm	Unknown — not stated by the source
WeightKnown for one	131.5 g	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityDiffers	4400 mAh	12000 mAh

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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