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White rectangular power bank with rounded edges and two USB ports

Mi

Mi PLM06ZM 20000 mAh power bank

SKU CH-FRBG-XF593 MPN PLM06ZM

A 20000 mAh portable charger with dual USB ports delivering 5.1 V at 3.6 A combined output and a 93 % conversion rate

  • Total capacity20,000 mAh
  • Product typePower Bank
  • Product colorArctic White
  • Charges two devices at once with dual 5.1V/3.6A USB ports
  • 20000 mAh capacity keeps phones powered for days
  • 93% conversion rate delivers around 13000 mAh usable output
  • Weighs 385 g, lighter than two 10000 mAh units
  • Nine-layer chipset protection guards against overcharge and short circuits

Capacity and purpose

The Mi PLM06ZM is a 20000 mAh power bank designed for users who need multiple device charges away from a wall outlet. Its dual USB ports allow simultaneous charging of two devices such as phones or tablets. The 74 Wh lithium-ion cell keeps the unit within common air-travel limits. It is not for buyers who want more storage or who require wireless charging.

Thermals and efficiency

Charging and discharging efficiency reaches up to 93 percent conversion rate, reducing heat during normal use. The unit automatically adjusts its output to match the connected device, which helps manage temperature and power draw. A nine-layer circuit protection system guards against over-current, over-voltage and short-circuit conditions. The 385 g body uses environmental PC and ABS materials with a skidproof surface.

Deciding specification

Rated output capacity is around 13000 mAh after conversion losses, so a 20000 mAh phone battery will not charge fully from empty. Each USB port delivers up to 5.1 V at 3.6 A total, with supported profiles of 5.1 V=2 A, 9 V=2 A and 12 V=1.5 A. Input accepts the same voltage steps for recharging the power bank itself.

How it compares

Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.

Price $59.99
Pricier than about 86% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameXiaomi
Total capacity20,000 mAh
Product typePower Bank
Product colorArctic White

Questions about this item

How do I charge the PLM06ZM power bank using a QC 3.0 adapter?

Connect the adapter to the micro-USB input; the power bank accepts 5V=2A, 9V=2A or 12V=1.5A and automatically adjusts its input current.

When will the internal battery need replacement?

The premium li-ion cells are rated for hundreds of charge cycles; capacity will gradually drop below the rated 20000 mAh, at which point the unit should be recycled.

What limits the output during long charging sessions?

The nine-layer protection chipset will throttle or cut output if temperature or current exceeds safe thresholds, and the 93% conversion rate means usable energy is about 13000 mAh.

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