Anker Prime 27,650mAh 250W Power Bank vs Mophie Powerstation Pro 20K Power Bank (Gen 3)
Shoppers comparing the Anker Prime 27,650mAh 250W Power Bank against the Mophie Powerstation Pro 20K Power Bank (Gen 3) are looking at two power banks priced $89.05 apart — close enough that the deciding factor comes down to the numbers below.

The Anker Prime 27,650mAh 250W Power Bank brings 27,650mAh of capacity, 250W output, 3 ports to the table, weighing about 490g.
Global reference price

The Mophie Powerstation Pro 20K Power Bank (Gen 3) offers 20,000mAh of capacity, 65W output, 2 ports, weighing about 450g.
Global reference price
Specification Comparison
Key Differences
250W beats 65W in the Anker Prime 27,650mAh 250W Power Bank's favor, a gap that matters most for larger devices; for phone-only charging, both banks will already exceed what a phone can draw. Capacity also splits them: the Anker Prime 27,650mAh 250W Power Bank holds 27,650mAh against the Mophie Powerstation Pro 20K Power Bank (Gen 3)'s 20,000mAh, giving it more total charge before it needs a recharge of its own.
Pros & Cons
Anker Prime 27,650mAh 250W Power Bank
Pros
- Higher 250W output for faster charging
- More capacity (27,650mAh)
- More ports (3)
Cons
- Heavier than the alternative
- Costs a bit more
Mophie Powerstation Pro 20K Power Bank (Gen 3)
Pros
- Lighter, more portable design
- Lower price
Cons
- Lower 65W output ceiling
- Less capacity (20,000mAh)
- Fewer simultaneous output ports
Which One Is Right For You?
- Anker Prime 27,650mAh 250W Power Bank: Makes the most sense for anyone who wants faster charging speed and needs more total capacity for longer trips.
- Mophie Powerstation Pro 20K Power Bank (Gen 3): Best for someone who prioritizes a lighter, more portable bank and wants to spend a little less.
Conclusion
The two trade blows on different fronts rather than one clearly beating the other outright, so the better fit depends on what matters most for the intended use.
Summary
Anker Prime 27,650mAh 250W Power Bank
Strengths
- Higher 250W output for faster charging
- More capacity (27,650mAh)
- More ports (3)
Weaknesses
- Heavier than the alternative
- Costs a bit more
Mophie Powerstation Pro 20K Power Bank (Gen 3)
Strengths
- Lighter, more portable design
- Lower price
Weaknesses
- Lower 65W output ceiling
- Less capacity (20,000mAh)
- Fewer simultaneous output ports
The right choice depends on priority: charging speed and capacity favor one, portability or price the other — pick based on what matters most in practice.