NOCO GB250
Boost Max 5250 Amp Portable Lithium Jump Starter Box
The NOCO GB250 Boost Max packs the highest power output in the Boost MAX lineup—5,250 peak amps designed for massive engines up to 16 liters. From Class 8 trucks and buses to agricultural, mining, and construction machinery, this unit delivers reliable, compact power for professional mechanics, fleet managers, and off‑road operators.
Features
Engineered with NOCO’s UltraSafe 2.0 technology, it prevents sparks and reverse polarity accidents—critical in heavy-duty contexts An integrated voltmeter and 60‑second auto‑shutdown preserve battery health––if ignition doesn’t start in time,
Advanced Options
simply reset and retry. The IP65-rated, rubberized shell and thermal management ensure performance from –4 °F to +122 °F, while the powerful LED helps in low‑light conditions.
Product Key Features
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5,250 Amp peak current for jump-starting gas/diesel engines up to 16 L
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242 Wh lithium-ion battery serves as portable power bank via dual USB ports
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600‑lumen LED flashlight with 7 modes including SOS and strobe
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UltraSafe™ spark‑proof & reverse polarity protection, plus integrated voltmeter & 60 s auto‑timer
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Rugged, IP65-rated housing with natural convection cooling
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Rechargeable via 56 W AC XGC adapter or 12 V vehicle port (4‑Amp DC charge)
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Reliability & Performance
Despite its enormous capacity, the GB250 weighs just 14.7 lb and fits in the included EVA case. It doubles as a reliable power bank with dual 2.1 A USB ports and a 12 V/15 A accessory outlet—ideal for in‑field gear and diagnostics conscious data centers.Recharge using the fast 4‑Amp XGC AC adapter in ~8.5 hours or via your vehicle’s 12 V outlet.
Key Features (Bullet List)
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5,250 Amp peak current (12 V)
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242 Wh lithium-ion battery
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Dual USB‑A (5 V, 2.1 A) outputs
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12 V/15 A XGC accessory output
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56 W AC XGC charging adapter (12 V/4 A DC included)
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600‑lumen, 7‑mode LED flashlight
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Digital voltmeter + 60 s countdown timer
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Spark-proof, reverse-polarity protection
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IP65 dust & water resistance
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Natural convection cooling
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