NOCO Boost X GBX75 Jump Starter

The GBX75 is a 2500A portable jump starter rated for gasoline engines up to 8.5L and diesel up to 6.5L. No UL, ETL, or CE certification has been confirmed via a third-party database — the Amazon spec table lists "Specification Met: energy" rather than a UL claim, and NOCO's own specs page does not list third-party electrical safety certification for this model. NOCO's UltraSafe 2.0 system provides spark-proof connections and reverse-polarity protection, and the unit carries an IP65 weatherproof rating. The 2500A peak-amp rating has not been independently bench-tested; community evidence — including a confirmed 4-year ownership report of successful starts on a 454 Chevy V8 — supports reliable real-world starting for the claimed vehicle classes. An integrated 60-second timer limits each start attempt to one minute and caps total starts per charge at 12; the unit can recharge from empty to jump-capable in approximately 5 minutes via 60W USB-C Power Delivery.

The GBX75 suits drivers who want a compact jump starter that doubles as a capable 60W USB-C power bank for laptops and phones — the PD charging capability is the clearest differentiator over the GB70 and standard GB-series units. Skip it if third-party electrical safety certification is a purchase requirement; the GB70 carries a UL claim on its Amazon listing (unconfirmed via database but present) where the GBX75 does not. The GB70 or GB40 are the better choice if certification evidence matters and PD charging does not.

The GBX75 is an electronics device with no SDS. No UL, ETL, or CE certification has been confirmed via a third-party database as of 2026-05-16. Standard Li-ion battery (74 Wh); NOCO documents BMS and reverse-polarity protection; no CPSC recall active; no documented thermal-runaway incidents for this model in community data reviewed. California Prop 65 warning applies (standard for Li-ion battery products). Battery disposal: Call2Recycle drop-off available at Home Depot, Lowe's, and Staples — standard Li-ion recycling path; no manufacturer pre-paid take-back program documented.