Miady HYG012B 5000 mAh power bank, 2-pack, built-in USB-C, black & white
Two 5000 mAh lithium-ion packs with built-in USB-C connectors deliver 2.1 A output in a 2.95 × 1.77 × 0.98 in, 0.4 lb form factor
- Type5000 milliamp_hours
- ColorBlack+White
- Capacity5000 milliamp_hours
- Chemicallithium_ion
- Volt5 volts
- Amp2.1 amps
- Built-in USB-C connector charges iPhone 14, 13 and earlier models directly
- Two 5000 mAh packs give backup power for travel or daily use
- Each unit weighs .2 lb and measures 2.95 x 1.77 x .98 in
- 1 A output delivers up to 80 % output efficiency
- Lithium-ion cells rated at 5 V with 70 %–80 % conversion efficiency
Compact 5000 mAh pair for iPhone users
This two-pack supplies a 5000 mAh lithium-ion cell in each unit, delivering 5 volts at 2.1 amps through a built-in USB-C connector. The design targets iPhone 14, 13 and earlier models, letting owners plug directly into the handset without carrying a separate cable. Each bank weighs 0.2 lb and measures 2.95 in by 1.77 in by 0.98 in, so it slips into a pocket or small bag. The black and white colour pairing helps distinguish the two units at a glance.
Output efficiency limits usable capacity
The manufacturer rates output efficiency at 70-80%, meaning roughly 20-30% of the rated 5000 mAh is lost to circuit heat and conversion overhead. In practice this reduces the energy actually transferred to the phone, so a single bank provides roughly one full charge for a typical iPhone rather than the theoretical maximum. Users planning extended off-grid use should factor this loss into their carry count. The USB-C port handles both input and output, but the fixed connector cannot serve devices that lack a USB-C receptacle.
Built-in USB-C connector dictates compatibility
The integrated USB-C plug is the single specification that decides fit: only phones with a USB-C port can be charged directly. Android handsets using Micro-USB, older iPhones with Lightning, or any device requiring a cable between bank and handset cannot use this bank without an adapter. Buyers who need to charge multiple device types or prefer a detachable cable should choose a different power bank.
Highlights
- Built-in USB-C connector charges iPhone 14, 13 and earlier models directly
- Two 5000 mAh packs give backup power for travel or daily use
- Each unit weighs .2 lb and measures 2.95 x 1.77 x .98 in
- 1 A output delivers up to 80 % output efficiency
- Lithium-ion cells rated at 5 V with 70 %–80 % conversion efficiency
Specifications
| Brand | Miady |
|---|---|
| Model | HYG012B |
| Type | 5000 milliamp_hours |
| Color | Black+White |
| Part Number | HYG012B |
| Capacity | 5000 milliamp_hours |
| Chemical | lithium_ion |
| Volt | 5 volts |
| Amp | 2.1 amps |
| Output | USB Type C |
| Input | USB Type C |
| Dimension | 2.95 in x 1.77 in x 0.98 in |
| Weight | 0.4 lb |
Questions about this item
One pack has a black unit and a white unit — do they differ in any way?
They are identical in every specification; the only difference is the housing colour.
The box says 5000 mAh, but the maker notes 70 to 80 percent output efficiency — what does that mean for a typical phone charge?
Internal losses from heat and conversion mean a portion of the rated capacity is not delivered to the device; the maker states roughly 20 to 30 percent is unavailable.
Both input and output use USB-C — what charging speed does that support with the listed 5 volt 2.1 amp rating?
The port can supply up to 5 volts at 2.1 amps, which is the maximum rate this power bank can deliver over its USB-C connection.
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