Seaistar P500 50000mAh Power Bank Gray
A 50000 mAh lithium-polymer power bank with USB-C PD 30 W fast charging, four USB outputs and an LED percentage display
- Type50000 milliamp_hours
- ColorGray
- Compatible Phone ManufacturerSmartphone
- Compatible Phone ModelSmartphone
- Capacity50000 milliamp_hours
- Chemicallithium_polymer
- Massive 50000mAh capacity delivers up to 11 full smartphone charges
- USB-C PD 30W fast charging reaches 61% in just 30 minutes
- Four USB outputs plus USB-C and Micro USB inputs charge four devices at once
- Built-in LED display shows exact remaining battery percentage
- Multi-protect safety system guards against overcharging, short circuits and temperature extremes
High-capacity power bank
The Seaistar P500 stores 50000 milliamp_hours in a lithium-polymer pack, rated for roughly 11 full charges on an iPhone 13 Pro and 8 on a Samsung Galaxy S22. A built-in LED display shows the exact remaining percentage so you can plan top-ups during camping trips or long flights. Four USB-A outputs plus a bidirectional USB-C port let you run up to four devices at once. It weighs 1.4 lb and measures 6.5 in x 3.15 in x 1.3 in.
Replaces smaller packs
If your current bank needs daily recharging or cannot push 30 W over USB-C, the jump to 50000 mAh and PD 30W output is worth it. The higher capacity covers a full week of phone, tablet and laptop top-ups without hunting for wall sockets. QC 4.0 support adds rapid charging for compatible Android handsets, reaching 61 percent in 30 minutes. Buyers who need more than four simultaneous ports or faster than 30 W laptop charging will still need a different solution.
Simple plug-and-play
Press the power button once to activate the outputs; hold it for 10 seconds to reset the controller if the display sticks at zero. Only one input — either USB-C or Micro-USB — can be used at a time, so pick the faster USB-C route with a 5 V 3 A adapter for an eight-hour refill. The multi-protect system guards against over-charge, over-current, over-voltage, short circuits and temperature spikes. No driver or app installation is required.
Highlights
- Massive 50000mAh capacity delivers up to 11 full smartphone charges
- USB-C PD 30W fast charging reaches 61% in just 30 minutes
- Four USB outputs plus USB-C and Micro USB inputs charge four devices at once
- Built-in LED display shows exact remaining battery percentage
- Multi-protect safety system guards against overcharging, short circuits and temperature extremes
Specifications
| Brand | seaistar |
|---|---|
| Model | P500 |
| Type | 50000 milliamp_hours |
| Color | Gray |
| Part Number | P500 |
| Compatible Phone Manufacturer | Smartphone |
| Compatible Phone Model | Smartphone |
| Capacity | 50000 milliamp_hours |
| Chemical | lithium_polymer |
| Volt | 9 volts |
| Dimension | 6.5 in x 3.15 in x 1.3 in |
| Weight | 1.4 lb |
Questions about this item
What are the exact dimensions of the Seaistar P500 power bank so I can check if it fits my bag?
The unit measures 6.5 in x 3.15 in x 1.3 in and weighs 1.4 lb, making it a substantial but portable brick for travel or camping bags.
How do I recharge the power bank correctly, and what is the common mistake to avoid?
Use a 5V 3.0A charger via the USB-C or Micro USB port for an 8-hour full recharge; the common mistake is trying to use both inputs at once, which the unit does not support.
What long-term battery behaviour should I expect from the 50000mAh lithium polymer cells?
The lithium polymer pack is rated for hundreds of cycles; factory charge-discharge tests mean it may not show 100 % on first use, and holding the power button for 10 seconds resets the display if it reads 0 %.
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