Clarke JSM400 Multi-Purpose 2100mAH Lithium Polymer Jumpstarter

Compact, yet powerful, the Clarke JSM400 is an amazingly small and lightweight portable lithium-ion power bank with inbuilt torch which easily fits in a pocket, weighing only 1.37kg (without leads). It will jump start a car with a flat battery, making it perfect for emergency situations. The unit has the power to start petrol engines up to 6 litres and diesel engines up to 4 litres. In addition it provides USB 5V device charging for mobile phones, tablets, cameras etc. An ideal device to keep in your vehicle glove compartment.

The Clarke JSM400 Jumpstarter is supplied with a zip fastening bag, AC battery charger, smart charging cable, switch cable, 3 way USb cable, car charger adapter and 8x notebook adaptors while also including a 12 Month / 1 Year Manufacturer’s Warranty.


Technical specification

Starting Boost (Amps)400
Peak Amps800
Internal Battery (Ah)21 Ah

£140.33 . (£168.40 incl VAT)

Clarke Product Code: 6239015 Categories: ,
Contact us for more info on Clarke JSM400 Multi-Purpose 2100mAH Lithium Polymer Jumpstarter Price includes UK mainland delivery on orders over £100 plus VAT. Use the livechat below or email us.

For heavy Clarke items please contact us for a delivery  quote. All Clarke Tools comply with the latest British and European safety standards. Clarke products are backed by a fast after-sales service including spare parts, warranty and service work. WE DON'T SELL CLARKE SPARE PARTS, CALL CLARKE SERVICE ON - t: 0208 9887400 or 08714101270. We only deliver Clarke Tools to the UK mainland.

Clarke Tools Product Code:
Clarke JSM400 Multi-Purpose 2100mAH Lithium Polymer Jumpstarter