# What are the best portable power bank jump starters for heavy-duty use? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best portable power bank jump starters for heavy-duty use?

## Products

### Clore Automotive JNC660 1700 Peak Amp 12 Volt
```yaml
product: clore-automotive-jnc660-1700-peak-amp-12-volt
brand: Clore Automotive
price_gbp: 96.12
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
capacity: 22 Ah
portable: true
peak_current: 1700 A
output_voltage: 12 V
jump_starting_voltage: 12 V
```

- **Price:** £96.12 [^1]
- **Summary:** The JNC660 is a portable, professional-grade jump starter with a 22 Ah battery, 1700 peak amps, 425 cranking amps, heavy-duty cables, and a built-in automatic charger. It suits automotive shops, fleet operators, towing services, and drivers who need reliable starting power for cars, trucks, SUVs, and light commercial vehicles.
- **Ideal For:** It suits heavy-duty portable jump-starting because its 1700 peak amps, 425 cranking amps, 22 Ah battery, 46 in #2 AWG cables, and 12 V output are designed for repeated and demanding vehicle starts.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Genesis Auto Body Supply, accessed 2026-09-14. https://www.genesisautobodysupply.com/product/11786/clore-automotive-jnc660-1700-peak-amp-12-volt-jump-starter-jnc660
[^2]: PLP Battery Supply, accessed 2026-09-14. https://www.plpbattery.com/products/jump-n-carry-jnc660-jump-starter-1700-peak-amp-12-volt
[^3]: ASE Deals, accessed 2026-09-14. https://www.asedeals.com/products/jump-n-carry-hand-held-battery-jump-starter-jnc660