Lokithor 3250A 12v Booster

LokiThor J3250 PRO LiFePO4 Jump Starter – 3250A Peak | 12V | 100W Power Bank

The LokiThor J3250 PRO represents the next generation of professional-grade portable power. Delivering a massive 3250A peak current, it’s designed to start gas engines up to 9.5L and diesel engines up to 7.5L with ease — making it a must-have for automotive technicians, fleet operators, off-roaders, and heavy-duty users.

Powered by advanced LiFePO4 (Lithium Iron Phosphate) battery technology, the J3250 PRO delivers outstanding safety, longevity, and performance. Capable of up to 2000 full charge cycles (or 8000 cycles at 50%), it offers over four times the lifespan of traditional lithium-ion jump starters — with zero compromise on reliability or power delivery.

Engineered for the most demanding conditions, this heavy-duty jump starter also doubles as a 100W Power Bank, capable of fast-charging laptops, tablets, smartphones, and more via USB-C Power Delivery.

Key Features

Unmatched Jump Starting Power – 3250A peak and 1650A starting current to start even large gasoline (up to 9.5L) and diesel (up to 7.5L) engines.

LiFePO4 Battery Technology – Long-lasting, thermally stable, and ultra-safe with up to 2000 full cycles and 8000 half cycles.

Intelligent Safety System – 10 protection types including spark-proof, reverse polarity, over-voltage, over-current, and short-circuit protection.

Smart Clamp Detection – Automatically identifies connection impedance for the most efficient energy transfer.

Rapid Recharge – Fully charges in just 70 minutes with 100W USB-C input.

Integrated 100W Power Bank – Charge laptops, tablets, and other electronics using the USB-C Power Delivery port.

Multi-Mode LED Light – 400 lumens with SOS, Blink, Strobe, and Flash functions for roadside emergencies or job site visibility.

Compact and Rugged – Durable design with protective casing, built to withstand workshop, garage, and outdoor environments.

Technical Specifications

• Specification — Details
• Capacity — 74.24Wh
• Voltage — 12V
• Starting Current — 1650A
• Peak Current — 3250A
• Input (USB-C) — Up to 100W (5–20V / 3–5A)
• Output (USB-C) — Up to 100W PD
• Output (USB-A) — QC 18W (5V/3A, 9V/2A, 12V/1.5A)
• DC Output — 12V / 10A
• LED Light Output — 400 Lumens
• Operating Temperature — -20°C to 60°C
• Charging Temperature — 0°C to 45°C
• Charging Time — Approx. 1 Hour
• Battery Type — LiFePO4
• Voltage Compatibility — 12V Systems Only

Package Includes

1 × LokiThor J3250 PRO Jump Starter

1 × USB-C to USB-C Cable

1 × USB-A to USB-C Cable

1 × Charging Cable

1 × Accessory Bag

Ideal For

Professional mechanics and garages

Fleet maintenance and logistics operations

Off-road and 4x4 enthusiasts

Construction sites and heavy-duty vehicles

Emergency roadside assistance

The LokiThor J3250 PRO combines cutting-edge LiFePO4 technology, exceptional jump-starting power, and versatile fast-charging capability — setting a new standard for portable vehicle boosters. Rugged, reliable, and ready for any challenge, it’s the ultimate power solution for professionals and enthusiasts alike.