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Power bank comparison

Anker Prime 20000mAh vs Anker Prime 27

Compare capacity, charging speed, ports and weight.

Compared products
01Selected
Anker Prime 20000mAh Power Bank

Anker Prime 20000mAh Power Bank

  • 20,000 mAh battery capacity.
  • 545 g.
  • Up to 200W total.
  • USB-C PD input: 5V / 3A.
  • 2 USB-C input/output ports.
KSh 23,500Out of Stock
02
Anker Prime Power Bank 27,650mAh 250W

Anker Prime Power Bank 27,650mAh 250W

  • About 665 g.
  • 27,650 mAh battery.
  • 250W total.
  • Power-bank charging time: approximately 43 minutes at suitable 140W input.
  • Input profiles: each USB-C: 5V/3A, 9V/3A, 15V/3A, 20V/5A.
KSh 24,100In Stock
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Apple iPhone Air MagSafe BatteryKSh 18,000
Anker 733 Power Bank (GaNPrime PowerCore 65W)KSh 14,500
Anker PowerCore+ 26800mAh PD 45WKSh 15,000
Anker Laptop Power Bank 25,000mAh, 165W (Built-In and Retractable Cables)KSh 13,800
Anker Prime Power Bank 26,250mAh, 300WKSh 27,350
Anker Prime Power Bank (20K, 220W)KSh 15,500
Anker Prime Power Bank 27,650mAh 250W with 100W Charging BaseKSh 30,380
2 of 4 products

Our quick verdict

The Anker Prime Power Bank 27 is the stronger choice: it has a bigger battery (27,650 mAh), faster single-port charging (up to 250 W) and more total output (250 W), while the Anker Prime 20000mAh Power Bank is lighter (545 g).

Weight

Anker Prime 20000mAh Power Bank
545 g
Anker Prime Power Bank 27
About 665 g

Battery life

Anker Prime 20000mAh Power Bank
20,000 mAh battery
Anker Prime Power Bank 27
27,650 mAh battery

Output power

Anker Prime 20000mAh Power Bank
Up to 200W total
Anker Prime Power Bank 27
250W total

Key differences

The main differences to help you choose.

Anker Prime 20000mAh Power Bank

  • Lighter: 545 g (vs about 665 g).

Anker Prime Power Bank 27

  • Bigger battery: 27,650 mAh (vs 20,000 mAh).
  • Faster single-port charging: up to 250 W (vs 100 W).
  • Higher total output: 250 W (vs 200 W).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

3 priorities selected.
How each product answers the selected priorities
PriorityAnker Prime 20000mAh Power BankAnker Prime Power Bank 27
Battery life20,000 mAh battery27,650 mAh battery
Portability545 gAbout 665 g
Output powerUp to 200W total250W total

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationAnker Prime 20000mAh Power BankAnker Prime Power Bank 27,650mAh 250W
BrandAnkerAnker
ModelPrime 20000mAh Power Bank (200W)A1340011
Battery capacity20000mAh27,650mAh cell capacity (3,950mAh × 7); delivered capacity varies with conversion losses
Maximum output powerUp to 200W total; each USB-C port supports up to 100W, and the USB-A port supports up to 65W with the required compatible protocol. Available power depends on port combination250W total; each USB-C up to 140W; USB-A up to 65W only with supported device/protocol/cable
Input ports2 USB-C input/output portsUSB-C1 and USB-C2; compatible charging-base contacts
Output ports2 USB-C ports and 1 USB-A portPower bank: 2 USB-C ports and 1 USB-A port
Input profilesUSB-C PD input: 5V / 3A, 9V / 3A, 15V / 3A, or 20V / 5A; up to 100WEach USB-C: 5V/3A, 9V/3A, 15V/3A, 20V/5A, 28V/5A (140W max); base contacts: 21.5V/4.65A; combined input up to 170W under stated conditions
Output profilesUSB-C PD: 5V / 3A, 9V / 3A, 12V / 3A, 15V / 3A, or 20V / 5A; up to 100W per port. PPS: 3.3–11V / 3A. USB-A maximum 65W requires a compatible high-power protocolEach USB-C: 5V/3A, 9V/3A, 12V/1.5A, 15V/3A, 20V/5A, 28V/5A (140W max); USB-A: 5V/3A, 9V/2A, 10V/6.5A, 12V/1.5A; USB-C1 + USB-C2 240W max; USB-C with USB-A or all three 250W max
Integrated cable—No built-in cable; separate USB-C to USB-C cable supplied
Power-bank charging time—Approximately 43 minutes at suitable 140W input; actual time varies with equipment, battery condition and temperature
Net weight—Power bank approximately 665g
Cell capacity—27,650mAh (3,950mAh × 7); usable delivered capacity varies
Total output—Up to 250W under supported port/device arrangements
USB-C—Two ports; up to 140W each individually
USB-A—One port; proprietary 65W maximum requires compatible device/cable
Combined output—USB-C1 + USB-C2 up to 240W; USB-C with USB-A or all three up to 250W
Display—Battery, input/output, estimated time and Bluetooth status
App—Anker app over Bluetooth; manufacturer advises approximately 10m range
Recharge—Approximately 43min with suitable 140W input; variable with conditions
Combined input—Up to 170W conditionally; not sustained throughout recharge
Low-current mode—Double-press power button for USB-A trickle charging
Package—Power bank and separate0.6m USB-C cable; charging base and wall adapter separate

Design

Design specifications comparison
SpecificationAnker Prime 20000mAh Power BankAnker Prime Power Bank 27,650mAh 250W
Dimensions126.9 x 54.6 x 49.65 mmPower bank: 57 × 49.7 × 161.7mm
Weight545 gPower bank approximately 665g

Additional specifications

Additional specifications specifications comparison
SpecificationAnker Prime 20000mAh Power BankAnker Prime Power Bank 27,650mAh 250W
portable featuresSmart screen showing remaining battery capacity, power input and output—

Similarities

  • Both charge over USB-C.
  • Both are made by Anker.

In summary

For most buyers the Anker Prime Power Bank 27 is the better buy; the Anker Prime 20000mAh Power Bank makes sense if you want a lighter build.

Back to compared products ↑

In-stock alternatives

Anker 548 60W 60000mAh Power Bank (PowerCore Reserve 192Wh)For Anker Prime 20000mAh Power BankAnker 548 60W 60000mAh Power Bank (PowerCore Reserve 192Wh)View product ↗Anker Prime Power Bank 26,250mAh, 300WFor Anker Prime 20000mAh Power BankAnker Prime Power Bank 26,250mAh, 300WView product ↗Anker Prime Power Bank 27,650mAh 250W with 100W Charging BaseFor Anker Prime Power Bank 27,650mAh 250WAnker Prime Power Bank 27,650mAh 250W with 100W Charging BaseView product ↗

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