Mobile phones

EFM 20,000mAh Portable Power Bank review

EFM 20,000mAh Portable Power Bank

CHOICE Expert Rating

68%
What is the CHOICE Expert Rating?
Good points

Good Points

  • Can charge a Windows laptop (USB-C).
Bad points

Bad Points

  • Bulky size.
  • Heavy.
  • Ports are unlabelled.

Recommended products

Recommended

Test results

CHOICE Expert Rating
68%
Performance score
66%
Ease of use score
70%
Display score
75%
Multiple device score
70%
Pocketability guide
Bag
Power bank charge time
5:40
Usable capacity, measured (mAh)
10932
Fastest charging 5V USB port (amps)
3
Slowest charging 5V USB port (amps)
3
Maximum combined output (watts)
Not stated
Overload protection
Yes (3.7)
Short circuit protection
Yes (turns off immediately)
Date tested
Dec-22

Related products

Availability
Tested model

Specifications

Stated capacity (mAh)
20000
Battery type
Lithium
Weight (g)
425
Size (mm, H x D x W)
22 x 168 x 74
Quick charge output
Wireless charging
Charge indicator
4 LEDs
Country of origin
China

Cost

Price
$80.00

Features

Number of USB-A ports
2
Number of USB-C ports
1
Can charge a laptop via USB-C
Can charge a Nintendo Switch
Over-charge protection
Other features
USB-C to USB-A cable supplied.

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