Detailed Review

The YILANS JM4 Pro stands out as a comprehensive charging solution for multi-device households and frequent travelers. With its 50000mAh capacity, this power bank delivers genuine multi-day charging capability, eliminating the anxiety of running low on battery during long trips. The inclusion of four built-in cables (USB-C, Lightning, Micro-USB, and USB-A) addresses one of the most common frustrations with portable chargers: carrying separate cables and dealing with tangled wires.

Performance-wise, the 22.5W fast charging technology accelerates charging times significantly, with the ability to reach 65% charge on compatible iPhones within 30 minutes. The six output ports combined with two input options create genuine flexibility for households with multiple devices or group travel scenarios. The intelligent charging recognition system automatically adapts to different device types, prioritizing safe and efficient power delivery across smartphones, tablets, smartwatches, and gaming devices.

Practical design features enhance everyday usability. The real-time LED display provides clear battery percentage visibility, eliminating guesswork about remaining capacity. At just 1.14 pounds with compact dimensions of 5.61 x 2.88 x 1.14 inches, it balances substantial capacity with genuine portability. Built-in safety protections including overcharge, overvoltage, and short-circuit detection provide confidence during extended charging sessions, while the lifetime warranty backs the manufacturer's confidence in durability.

Key Features

  • Charge 6 devices at once with 6 output ports and 2 input ports
  • Built-in 4 cables eliminate the need to carry separate charging cables
  • 22.5W ultra-fast charging technology reaches 65% charge on iPhones in 30 minutes
  • 50000mAh massive capacity provides multiple full charges for smartphones and tablets
  • Smart LED display shows real-time battery percentage for easy monitoring
  • Lightweight at just 1.14 lbs with slim design fits easily in travel bags
  • Multi-layer safety protection prevents overcharge, overvoltage, and short circuits

Specifications

Connector TypeUSB-C*1+USB-A*2
Other Special Features of the ProductBuilt In Cable, Charge 6 Devices Simultaneously,Digital Display,Extra-large capacity, Fast Charging, Multiple safety protections, Pocket Size
Voltage5 Volts
Power Sourcedc
Amperage3 Amps
Number of Ports3
Output Current3 Amps
PortableYes
Compatible DevicesFor ALL 【iPhone】iPhone 17, iPhone 17 Air, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 15, 15 Plus, 15 Pro, 15 Pro Max, iPhone 14, 14 Plus, 14 Pro, 14 Pro Max, iPhone13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 12, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone SE (2nd generation), iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus;, Google Pixel 6, Google Pixel 6 Pro, Google Pixel 5,Google Pixel 4A,Google Pixel 3a,Google Pixel 3XL, Google Pixel 3,Google Pixel 2 XL,Google Pixel 2, Samsung Galaxy S22, S22Ultra,S22+,S21 Ultra,S21,S21 Plus, S20 Ultra, S10,S10 Plus, S10e, S9,S9 Plus, S8,S8 Plus; Samsung Galaxy Note 20, Note10, Note 9, Note 8, Smartphone,iPad Pro / Air / mini, Watch Series, AirPods,AirPods Max, AirPods Pro, AirPods etc Switch ,Steam Deck
Compatible Phone ModelsGoogle Pixel 6, Google Pixel 6 Pro, Google Pixel 5,Google Pixel 4A,Google Pixel 3a,Google Pixel 3XL, Google Pixel 3,Google Pixel 2 XL,Google Pixel 2, Phone 17, iPhone 17 Air, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 15, 15 Plus, 15 Pro, 15 Pro Max, iPhone 14, 14 Plus, 14 Pro, 14 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 12, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone SE (2nd generation), iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus, Samsung Galaxy S22, S22Ultra,S22+,S21 Ultra,S21,S21 Plus, S20 Ultra, S10,S10 Plus, S10e, S9,S9 Plus, S8,S8 Plus; Samsung Galaxy Note 20, Note10, Note 9, Note 8
Antenna LocationFor ALL 【iPhone】iPhone 17, iPhone 17 Air, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 15, 15 Plus, 15 Pro, 15 Pro Max, iPhone 14, 14 Plus, 14 Pro, 14 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 12, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone SE (2nd generation), iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus; 【Samsung】Samsung Galaxy S23 Ultra / S23 / S23+ / Galaxy S22 Ultra / S22 / S22+ / S21 Ultra / S21+ / S21 / S20 Ultra / S20+ / Z Flip / S10 / S10+ / Note20 Ultra / Note10 / Note10+ / Note9 / S9 / S9+ / Note8 / S8 / S8+ / S7 Edge / S7 / Note5 / S6; 【Google】Google Pixel 6, Pixel 6 Pro, Pixel 5, Pixel 4A, Pixel 3a, Pixel 3XL, Pixel 3, Pixel 2 XL, Pixel 2; 【iPad】iPad Pro, iPad Air; 【Watch Series】Apple Watch Series 9, Apple Watch Series 8; 【AirPods】AirPods Max, AirPods Pro, AirPods, etc.
Warranty TypeLifetime
ColorBlack
BrandYILANS
Model NameJM4 Pro
Model NumberJM4 Pro
Number of Items1
Built-In Media50000mAh Power Bank*1, Built in Cables, User Manual*1
Mfr Part NumberJM4 Pro
Number of Batteries1 Lithium Polymer batteries required. (included)