Jump Starter Lokithor J5000 PRO — 99.84 Wh, 5000 A Peak Current

The Lokithor J5000 PRO is a portable jump starter with a 99.84 Wh LiFePO4 battery and a peak current of 5000 A, designed to start gasoline engines up to 12.0 L and diesel engines up to 10.0 L. It combines a booster, power bank and 400-lumen LED flashlight in a compact housing with IP65 dust and splash protection. The device supports bidirectional 100W PD fast charging for a full charge in about 60 minutes and features an onboard display for clear diagnostics.

Advantages

The J5000 PRO offers high starting power in a compact unit and uses a LiFePO4 cell chemistry for extended cycle life and improved safety. CONNECTMAX automatic terminal detection helps ensure reliable starts even with corroded or dirty battery terminals. Built-in protections guard against reverse polarity, short circuits, overheating and overcharging, while multiple output ports (USB-C, USB-A and 12V DC) allow the unit to charge phones, laptops and other accessories.

Suitable for

• Starting passenger cars, SUVs and light trucks (gasoline up to 12.0 L, diesel up to 10.0 L)
• Emergency roadside starts for motorcycles, boats and small machinery
• Portable power bank use for smartphones, laptops and USB devices
• Outdoor or worksite use where weather resistance and robust operation are required

When it may not be suitable

This jump starter is not intended as a replacement for heavy commercial starting systems for very large engines beyond the stated fuel capacities. It may be unnecessary for users who only occasionally need small-capacity emergency starters for motorcycles or lightweight equipment and prefer a smaller, lower-capacity model.

Key specifications

• Battery type: LiFePO4
• Usable energy: 99.84 Wh (7800 mAh)
• Peak starting current: 5000 A
• Nominal system voltage: 12 V
• Fast charging: USB-C PD up to 100 W (bidirectional)
• Output ports: USB-C (20V/5A, max 100W), USB-A (12V/1.5A, 18W), DC 12V/10A
• LED flashlight: 400 lumens with SOS and strobe modes
• Operating temperature range: -20°C to 60°C
• Cycle life: up to 8,000 cycles at 50% depth of discharge
• Ingress protection: IP65
• Standby self-discharge: about 0.46 mAh (≈46 months standby)
• Dimensions: 27.1 × 9.6 × 21.2 cm

How to use

Charge the unit using the USB-C 100W PD input until the onboard display indicates full charge (about 60 minutes with suitable charger). For jump starting, connect the included clamps to the vehicle battery terminals following the device’s on-screen instructions; CONNECTMAX will detect resistance and adjust output automatically. Use standard mode for routine starts and BOOST mode when the vehicle battery is severely discharged. Use the USB and DC outputs to power or charge external devices as needed, and operate the LED flashlight in normal, SOS or strobe modes.

What to consider before purchase

• Required starting capability for your vehicles (gasoline ≤12.0 L, diesel ≤10.0 L)
• Need for fast bidirectional 100W PD charging and USB-C laptop charging
• Desired battery longevity and cycle life (LiFePO4 advantages)
• Environment and temperature range where the unit will be used (-20°C to 60°C)
• Portability and included accessories (cables, 12V lead, carrying bag)

Usage recommendations

Store the jump starter charged for long-term readiness, follow the on-screen diagnostics for safe connection, and use BOOST mode only when standard starting fails. Keep clamps clean to improve contact and ensure reliable starting performance.