Skip to product information
1 of 7

🚗 GKFLY Portable Car Jump Starter – 12000mAh & 18000mAh Power Bank, 1200A–2000A Emergency Battery Booster

🚗 GKFLY Portable Car Jump Starter – 12000mAh & 18000mAh Power Bank, 1200A–2000A Emergency Battery Booster

Regular price $84.95 USD
Regular price $0.95 USD Sale price $84.95 USD
Sale Sold out
View full details
Shipping Information
  • Shipping Region:
    This product ships from multiple warehouses depending on your location. Delivery is optimized for the nearest warehouse when available.
  • Processing Time:
    1–3 business days
  • Delivery Time:
    • USA: 3–7 business days
    • Europe: 3–10 business days
    • Rest of World: 6–12 business days
  • Notes:
    • Products may ship from regional warehouses in the USA, Europe, or China.
    • You’ll receive tracking information as soon as your order is processed.

Product Details

Product Specifications

  • Product Name: GKFLY Portable Car Jump Starter
  • Battery Capacity: 12000–18000mAh (Model-dependent)
  • Peak Current: 2000A
  • Starting Current: 600A – 1000A
  • USB Output:
    – 5V/2A
    – 5V/1A
  • Car Jump Start Output:
    – 12V (on-load)
    – 16V (no-load)
  • Gas Engine Support: Up to 6.0L
  • Diesel Engine Support: Up to 5.0L
  • Input: Type-C 5V/2A
  • Operating Temperature: -20℃ to 60℃
  • LED Modes:
    – Torch
    – SOS
    – Flash
  • Dimensions:
    – GG-JS-M43: —
    – GG-JS-RATEL: 180×85×35mm
    – GG-JS-T02A: 140×78×23mm
  • Certifications:
    – MSDS
    – ROHS
    – FCC
    – CE
    – CCC
  • Built-in Batteries: 4
  • Lifespan: >3000 cycles
  • Weight:
    – M43: 330g
    – RATEL: 398g
    – T02A: 260g

Key Features

  • Powerful 2000A peak current suitable for large engines
  • Safe polymer lithium battery with 8-level protection
  • Dual USB outputs and 5.5mm DC output
  • Emergency LED lighting: Torch, Flashing, SOS
  • Short circuit, overcharge, temperature, and discharge protections
  • Starts gasoline and diesel engines in extreme cold
  • Long standby time—ideal for emergency use
  • Includes torch function lasting up to 48 hours

How it Works

  1. Charge the jump starter before first use
  2. Insert the smart clips into the device port
  3. Connect red clip to battery's positive terminal (+)
  4. Connect black clip to battery's negative terminal (–)
  5. Start the car within 30 seconds
  6. Remove the clips after starting

For USB charging:

  • Connect phone or tablet only when urgently needed (efficiency ~50%)

Maintenance Tips:

  • Recharge every 3 months if unused
  • Note that fast charging/discharging is normal near 15% power

Ideal For

  • Drivers in cold climates with frequent battery failure
  • Emergency roadside rescue preparedness
  • Long-distance travelers needing reliable backup
  • Owners of gas/diesel vehicles up to 6.0L/5.0L engine size
  • Anyone needing multi-functional power (USB + jump start + flashlight)