NOCO Boost X GBX155 4250A 12V Lithium Jump Starter

Key Specifications

• Peak Current: 4250A

• Compatible Engines: Gasoline up to 10.0L; Diesel up to 8.0L

• Voltage: 12V

• Charging Input: USB-C Power Delivery (full charge in ~2.7 hours)

• Power Bank Output: 60W USB-C (bi-directional charging)

• Safety Features: UltraSafe 2.0 (spark-proof, reverse polarity protection, optimized thermal management)

• LED Flashlight: 500 lumens with 7 modes (including SOS and strobe)

• Dimensions: 20.8 × 34.3 × 12.3 cm (8.2 × 13.5 × 4.8 in)

• Weight: 3.18 kg (7.01 lbs)

• Additional Features: 60-second timer for maximum power delivery, up to 18 jumps per charge

Product Details / Description

The NOCO Boost X GBX155 is a powerful, compact 12V lithium jump starter and portable power bank engineered for demanding vehicle starting and device charging needs.

• High-Power Engine Starting: Provides 4250A peak current to reliably jump start large gasoline engines up to 10.0L and diesel engines up to 8.0L.

• UltraSafe Technology: Advanced spark-proof connections, reverse polarity protection, and smart thermal control ensure safe operation and extended battery life.

• Fast Recharge: USB-C Power Delivery fully charges the unit in approximately 2.7 hours; acquire enough power for an emergency jump in just 5 minutes.

• Optimized Timer: 60-second power burst window maximizes performance for each jump attempt.

• Multi-Device Charging: 60W bi-directional USB-C port serves as a robust power bank for smartphones, tablets, laptops, and more.

• Bright Integrated Flashlight: 500-lumen LED with 7 versatile modes, including emergency SOS and strobe.

• Durable & Portable: Rugged design with heavy-duty clamps for confident connections.

What's Included:

• NOCO Boost X GBX155 Jump Starter

• Heavy-duty booster clamps

• USB-C charging cable

• Microfiber storage bag

• User manual

Designed and developed in the USA, backed by a 1-year warranty. Ideal for trucks, SUVs, boats, and roadside emergency kits.