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Rectangular Onyx power bank with built-in cables

JKELAR P8 50000mAh Power Bank Onyx 22.5W Built-in Cables

SKU CH-7D30-0E13D

A 50000mAh lithium-ion power bank with built-in USB-C and iOS cables delivers 22.5W fast charging for phones and tablets

  • Total capacity50,000 mAh
  • Compatible phone brandsIphone
  • Compatible phone modelsIphone
  • Battery chemistryLithium ion
  • Voltage5 V
  • Amperage3
  • 50000mAh capacity charges phones multiple times
  • Built-in USB-C and iOS cables eliminate extra cords
  • 5W fast charging reduces wait time
  • 8g weight suits travel and emergencies
  • 5 x 3.5 x 1.0in compact design fits bags easily

Capacity & Use Cases

The JKELAR P8 power bank stores 50000 milliamp_hours of lithium-ion energy in a 6.5 in x 3.5 in x 1.0 in onyx case weighing 488.8 grams. Built-in USB-C and iOS cables plus an extra USB-C port let you charge phones, tablets, earbuds and some USB-C laptops without carrying separate cords. It suits travel, camping, road trips and emergency backup rather than daily pocket carry.

Thermals, Noise & Power

Passive cooling keeps the unit silent during operation. The 5 V 3 A input accepts up to 22.5 W for recharging the bank itself, while the USB-C output delivers up to 22.5 W to connected devices. Intelligent voltage regulation and multi-shield protection guard against over-current, over-voltage and overheating under normal loads.

Bundled Cables & Safety

Integrated USB-C and Lightning-compatible cables eliminate the need to pack extra leads for iPhone and USB-C gear. Fire-retardant materials and certified overcharge and short-circuit protection add a layer of hardware safety. A three-year care plan covers hassle-free replacement if a confirmed quality issue arises.

How it compares

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

Price $35.99
Typical for this category: the median of 1,307 items is $36.99.

Specifications

Product
Brand nameJKELAR
Model nameP8
Total capacity50,000 mAh
Product type50,000 mAh
Product colorOnyx
Ports & slots
Output typeUSB Type C
InputUSB Type C
Power
Battery chemistryLithium ion
Voltage5 V
Amperage3
Size & build
Measurements6.5 in × 3.5 in × 1.0 in
Product weight488.8 g
Compatibility
Compatible phone brandsIphone
Compatible phone modelsIphone

Questions about this item

How do I start charging my iPhone with the built-in cable on the JKELAR P8 power bank?

Pull out the built-in iOS cable, plug it into your iPhone, and press the power button on the power bank to begin charging. The step people miss is pressing that button — the ports do not activate automatically.

What part of the JKELAR P8 will need replacement first after years of daily use?

The internal lithium-ion cells will degrade over hundreds of charge cycles, reducing the usable capacity from the original 50000mAh rating. The built-in cables and USB-C port are rated for many insertions, but the battery chemistry is the first limit.

What stops the JKELAR P8 from delivering 22.5W continuously during a long charging session?

Heat buildup inside the 6.5 in x 3.5 in x 1.0 in enclosure triggers the protection circuitry to lower the output power, so sustained 22.5W drops to a safer level until the unit cools.

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