Clarke JSM800C 800A Lithium Polymer Jumpstarter & Compressor

PRODUCT NUMBER: 6239031

Product description

The Clarke JSM800C is a compact, all-in-one roadside companion, combining four essential functions into one easy-to-store unit. It works as a jumpstarter, tyre inflator, power bank and emergency light, making it ideal for both everyday use and unexpected breakdowns. Designed to start petrol engines up to 5 litres and diesel engines up to 3 litres, the JSM800C includes heavy-duty battery clamps and a dedicated 12V output lead with crocodile clips for safe, reliable jumpstarting.

The built-in air compressor delivers up to 150psi (10.3 bar) for fast tyre inflation and comes with adaptors for balls, bicycle tyres and other inflatables , making it just as handy for home and leisure use. A central circular digital display provides a clear readout, with control buttons arranged around the screen for intuitive operation. Switching between functions, checking pressure, or activating the light is quick and easy. 2x USB-A ports allow you to charge phones, tablets and other devices on the go. The built-in LED light includes torch, strobe and SOS modes, ideal for emergency use at night.

The JSM800C includes:

  • USB-C charging cable
  • 3-in-1 USB lead (Micro USB, Lightning and USB-C)
  • Battery clamps
  • Air hose & adaptors

SPECIFICATIONS

  • 4-in-1: Jumpstarter, tyre inflator, power bank and emergency light
  • Ultra-compact: Easy to store in glovebox or boot (245 x 100 x 46mm)
  • Powerful 10Ah lithium polymer battery
  • Starts petrol engines up to 5L / diesel up to 3L
  • 12V compressor (max 10.3 bar / 150psi) with hose adaptors included
  • Circular digital display with surrounding buttons for easy control
  • LED torch with torch/SOS/strobe modes
  • Outputs: 2x USB-A (5V 2.4A), 1x 12V DC
  • Supplied with: USB-C cable, 3-in-1 USB lead, battery clamps and air hose
Technical specification
PART NUMBER: 6239031

Product description

The Clarke JSM800C is a compact, all-in-one roadside companion, combining four essential functions into one easy-to-store unit. It works as a jumpstarter, tyre inflator, power bank and emergency light, making it ideal for both everyday use and unexpected breakdowns. Designed to start petrol engines up to 5 litres and diesel engines up to 3 litres, the JSM800C includes heavy-duty battery clamps and a dedicated 12V output lead with crocodile clips for safe, reliable jumpstarting.

The built-in air compressor delivers up to 150psi (10.3 bar) for fast tyre inflation and comes with adaptors for balls, bicycle tyres and other inflatables , making it just as handy for home and leisure use. A central circular digital display provides a clear readout, with control buttons arranged around the screen for intuitive operation. Switching between functions, checking pressure, or activating the light is quick and easy. 2x USB-A ports allow you to charge phones, tablets and other devices on the go. The built-in LED light includes torch, strobe and SOS modes, ideal for emergency use at night.

The JSM800C includes:

  • USB-C charging cable
  • 3-in-1 USB lead (Micro USB, Lightning and USB-C)
  • Battery clamps
  • Air hose & adaptors

Technical specification

Type
Micro
Starting Boost (Amps)
400
Peak Amps
800
Max. Engine Starting Size Petrol
5Litres
Max. Engine Starting Size Diesel
3Litres
Internal Battery
5V
Internal Battery (Ah)
10Ah
Compressor
Yes
Weight
1kg
Packaged Weight
1.3kg
Please note that details and specifications contained herein, are correct at the time of publishing. We reserve the right to change specifications at any time without prior notice.