Portable Jump Packs

Pickup Trucks

Delivery Trucks

Tractors/Mowers

Offshore Boats

Shuttle Bus

Motorhome

UTV

Rapid 90-Minute Recharge:

No more waiting around for hours. The internal storage battery fully recharges in less than 90 minutes, rapidly replenishing your jump pack for more work.

Ultra-Safe LiFePO4 Technology:

Unlike standard lithium options, the J2500 is built with state-of-the-art Lithium Iron Phosphate (LiFePO4) chemistry. This safe, non-hazardous compound provides superior chemical stability, significantly reducing the risk of thermal runaway and overheating while delivering an exceptional lifespan of over 2,000 cycles!

24-Month Standby Charge:

Engineered for ultimate readiness, the high-efficiency battery features an exceptionally low discharge rate, allowing the unit to sit on a standby charge for up to 24 months, so it is always ready for emergency situations.

BMS Power Management and Safety:

Each jump pack is equipped with with an advanced Battery Management System (BMS) that monitors performance in real time. Built-in protections guard against overheating, short circuits, overcurrent, reverse connections, overcharging and clamp detachment, ensuring safe operation for both the user and the vehicle's electrical system.

Large 3.75-Inch Digital Display:

A bright, integrated 3.75" user interface provides clear, real-time diagnostic feedback, battery level monitoring and operational status at a glance.

IP65-Rated Weatherproof Construction:

Engineered to survive harsh shop and field environments, the unit features a shockproof outer shell with a certified IP65 rating for superior dust and water resistance.

Multi-Mode Emergency LED Lighting:

The jump pack also features a built-in utility light with three distinct modes: a continuous white flashlight (lasting up to 72 hours), a high-visibility red/white strobe and a red SOS distress signal.

Portable Power Bank Functionality:

The end cap features a convenient USB port to charge smartphones, tablets and other critical electronic devices on the go.

Automotive and Shop:
Perfect for dealerships, diagnostic shops and garage bays to quickly jump-start consumer cars, heavy SUVs and large-engine work trucks.

Towing and Emergency:
An essential, lightweight companion for roadside assistance kits and emergency glovebox storage, delivering rapid power with zero safety compromises.

Marine:
Ideal for personal watercraft, ski boats, and motorboats with 12V systems, offering water-resistant reliability on the dock or out on the lake.

Agricultural:
Provides immediate starting power for utility tractors, ATVs, side-by-sides and farm equipment that may sit inactive over winter or between chore seasons.

Fleet Operations:
Keeps local delivery vans, municipal utility vehicles and service trucks running smoothly without costly battery-related downtime.

Extreme Engine Coverage

Tackle a wide variety of starting tasks with enough power to start up to 10L gasoline engines and 10L diesel engines, making it one of the most capable portable units in its class.

Manual Override

Don’t let a completely discharged battery stop the job. By pressing and holding the override button, the JNC345 forces power to the vehicle, allowing you to jump-start batteries that have reached zero volts.

Generous 40" Reach

Featuring rugged #6 AWG output leads and a 40" cable reach, this unit provides the flexibility needed to navigate crowded engine bays or reach high-profile battery terminals.

Versatile Power and Automatic Charging

Dual USB outlets charge phones, tablets and small electronics, while the 12VDC pin outlet powers accessories or acts as a memory saver during battery changes. The included AC charger features a fast, automatic charging routine to keep the unit ready for use at all times.

High-Intensity LED Work Light

Built-in illumination provides clear visibility for nighttime roadside assistance or dark shop corners, ensuring a safe and accurate connection every time.

LED State-of-Charge Display

The integrated display provides immediate, accurate feedback on the unit's battery status, ensuring you are always prepared for the next service call.

Portable and Durable Design

Packaged in a durable pouch for secure storage and easy transport, the JNC345 is built to withstand the rigorous demands of busy shops, fleets and field use.

Comprehensive Safety Protections

Reverse polarity, backfeed, over-voltage, short circuit and overheat protection keep both the operator and vehicle safe. UL2743 certified by SGS laboratories for lithium jump starter safety compliance.

Basic Features:

What’s Included:

Automotive & Shop

Perfect for service bays and dealerships handling high-displacement V8 cars, SUVs and light-duty trucks.

Towing & Emergency

Great for roadside specialists needing to start V8 engines or vehicles with totally dead batteries.

Agricultural

Provides the high-torque power needed to start tractors, utility vehicles and heavy farm equipment in remote field locations.

Marine

Ideal for large boat engines and watercraft.

Fleet Operations

Commercial service vans, delivery truck and service vehicles.