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Anker Nano Power Bank 10K 45W A1638 vs Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge: Comparison
Anker Nano Power Bank 10K 45W A1638 and Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge separate most on capacity: Anker Nano Power Bank 10K 45W A1638 at 10,000 mAh, Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge at 20,000 mAh, 50% in favor of Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge. They match on ac outlet and laptop charging 60w+.
Pick the Anker Nano Power Bank 10K 45W A1638 if that matters to you: 2.5x the max Single-Port output (45W (USB-C port/cable) vs 18 W), so it can charge a laptop, not just a phone. Pick the Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge if that matters to you: 2x the capacity (20,000 mAh vs 10,000 mAh), so it gives more recharges.
Which is better, Anker Nano Power Bank 10K 45W A1638 or Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge?
On paper, Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge has the edge on capacity, at 20,000 mAh vs Anker Nano Power Bank 10K 45W A1638 at 10,000 mAh.
What is the main difference between Anker Nano Power Bank 10K 45W A1638 and Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge?
The Anker Nano Power Bank 10K 45W A1638 and Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge are built for different jobs. The Anker Nano Power Bank 10K 45W A1638 has 2.5x the max Single-Port output (45W (USB-C port/cable) vs 18 W), so it can charge a laptop, not just a phone. The Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge has 2x the capacity (20,000 mAh vs 10,000 mAh), so it gives more recharges.
Specs and benchmarks
Brand
- Anker Nano Power Bank 10K 45W A1638
- Anker
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- Xiaomi
AC Outlet
- Anker Nano Power Bank 10K 45W A1638
- No
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- No
Built-in Cable
- Anker Nano Power Bank 10K 45W A1638
- Retractable USB-C
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- No
Capacity
- Anker Nano Power Bank 10K 45W A1638
- 10000 mAh-50%
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- 20000 mAhBest
Max Single-Port Output
- Anker Nano Power Bank 10K 45W A1638
- 45W (USB-C port/cable)
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- 18 W
Total Output
- Anker Nano Power Bank 10K 45W A1638
- 45W Max
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- 18W (5.1V/3.6A combined dual-port)
Laptop Charging 60W+
- Anker Nano Power Bank 10K 45W A1638
- No
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- No
Ports
- Anker Nano Power Bank 10K 45W A1638
- 1x Built-in Retractable USB-C Cable, 1x USB-C Port, 1x USB-A Port
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- 2x USB-A output, 1x USB-C input, 1x Micro-USB input
USB-C Ports
- Anker Nano Power Bank 10K 45W A1638
- 2
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- 0
Pass-Through Charging
- Anker Nano Power Bank 10K 45W A1638
- Yes
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- No
Low-Current Mode
- Anker Nano Power Bank 10K 45W A1638
- Yes (trickle charging via USB-A)
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- Yes
Protections
- Anker Nano Power Bank 10K 45W A1638
- ActiveShield 3.0, 6 million temperature checks daily
- Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge
- Temperature, input/output overvoltage, short circuit, reverse charging, overcharge/over-discharge, reset, hardware-level overcurrent short circuit
Which one should you pick?
Choose Anker Nano Power Bank 10K 45W A1638 if you already have it on hand or find it at a lower price.
Choose Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge if you want the higher capacity (20000 mAh vs 10000 mAh).
Price comparison
| Retailer | Anker Nano Power Bank 10K 45W A1638 | Xiaomi Redmi Power Bank 20000mAh 18W Fast Charge |
|---|---|---|
| Anker store | $59.99checked Sep 23 View on Anker store | |
| Anker.com | $59.99 View on Anker.com | |
| Xiaomi US | View on Xiaomi US |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Last updated: September 23, 2026
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