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J18 Built-in Cable 20000 · 30W

The J17's big brother: 20,000 mAh and a 30W top output keep a phone, a tablet and a camera running through a long weekend. Dual USB-C plus USB-A means nobody waits for a free port.

20,000 mAh 30W output Dual USB-C + USB-A LED display ≤100 Wh carry-on

Reply within 12 hours · samples before production order

Key Specifications

ModelJ18
Capacity20,000 mAh (74 Wh)
BatteryPolymer lithium-ion
Output30W
Input18W (5V/3A · 9V/2A)
ProtocolsPD3.0 · PPS · QC3.0+ · AFC · FCP
Built-in cablesPer final datasheet
PortsDual USB-C + USB-A
DisplayLED battery percentage
Dimensions148 × 70 × 28 mm
Weight≈ 320 g
ColorsBlack / Gray / Orange

Highlights

  • 30W output charges tablets, not just phones
  • Dual USB-C + USB-A — three devices, no waiting
  • 74 Wh stays carry-on legal on most airlines
  • Same family look as J17 for retail pairing

Best for

Long trips, family packs and team kits where one bank serves several devices for days.

Wholesale & OEM

Logo UV print; retail-pair with J17 for a two-SKU line (10K + 20K). MOQ negotiated per order; mixed models count toward tier pricing.

Specs are read from factory artwork and confirmed in the signed datasheet at quotation.