# Which 12v jump starter offers the best value for money? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which 12v jump starter offers the best value for money?

## Products

### Clarke JSM1200 JumpStart Micro 1200
```yaml
product: clarke-jsm1200-jumpstart-micro-1200
brand: Clarke
price_gbp: 54.13
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
peak_current: 1200A
charging_ports: 2x USB 5V outputs: 3.0A and 2.1A
voltage_output: 12V jumpstart; 5V USB
emergency_light: LED light with illumination, strobe and SOS modes
```

- **Price:** £54.13 [^1]
- **Summary:** The Clarke JSM1200 is a compact lithium-polymer jump starter with a 1200A peak current, two USB charging outputs and an LED emergency light. It suits drivers, motorcyclists and campers who need a lightweight emergency power bank for vehicles and mobile devices.
- **Ideal For:** It offers strong value for money with a 1200A peak current, support for petrol engines up to 5.5 litres and diesel engines up to 3 litres, two USB outputs and emergency lighting in a compact unit.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Power Tools Direct, accessed 2026-08-28. https://www.powertoolsdirect.com/clarke-jsm1200-1200a-jumpstart-multi-purpose-with-lithium-polymer-battery
[^2]: Lawson HIS, accessed 2026-08-28. https://www.lawson-his.co.uk/clarke-6239030-jsm1200-1200a-jumpstart-multi-purpose-with-lithium-polymer-battery
[^3]: ToolStoreDirect, accessed 2026-08-28. https://toolstoredirect.co.uk/products/clarke-6239030