GOOLOO GP4000
A high-output lithium jump box that handles big gas and diesel engines at a mid-tier price, ideal for truck and SUV owners.
- Amazon price
- $79.97
- Customer rating
- 4.6 ★ (8,902 reviews)
Pros
- 4000A peak current rated for all gas engines and diesels up to 10.0L, covering pickups and larger SUVs
- SuperSafe protection circuitry guards against reverse polarity, short circuits, and overcharging on 12V starts
- Strong track record with a 4.6/5 rating across 8,807 reviews, indicating consistent real-world reliability
- $79.99 puts it well under comparably-rated diesel-capable jump starters
Cons
- Lithium chemistry means cold-weather cranking performance can drop versus warm conditions
- 12V only — no 24V support for heavy commercial or marine setups
- GOOLOO doesn't publish the same detailed cycle-life specs as premium brands like NOCO