LOKITHOR J3250 PRO Jump Starter User Manual
Model: J3250 PRO
1. Okwu mmalite
The LOKITHOR J3250 PRO is a powerful and versatile LiFePO4 jump starter designed to provide reliable starting power for vehicles with up to 9.5L gasoline and 7.5L diesel engines. It also functions as a portable power bank and features an integrated LED flashlight. This manual provides essential information for safe and effective use, setup, operation, maintenance, and troubleshooting of your device.
2. Ozi nchekwa
Please read and understand all safety instructions before operating the LOKITHOR J3250 PRO. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Nchedo anya: Na-eyi ugogbe anya nchekwa mgbe niile mgbe ị na-eji batrị arụ ọrụ.
- Igwe ikuku: Jiri ngwaọrụ na mpaghara ikuku nke ọma.
- Ụmụaka: Debe ngwaọrụ ahụ ka ụmụaka ghara iru ya.
- Obere sekit: Ekwela ka uhie na nwa clamps to touch each other or the same metal object.
- Polarity azu: Ensure correct polarity connection (red to positive, black to negative) to avoid damage. The device includes reverse-polarity protection.
- Mmiri: Do not immerse the device in water. While it has an IP65 rating for water and dust resistance, it is not designed for submersion.
- Mmebi: Do not use the device if it is damaged. Contact customer support for assistance.
- Okpomọkụ: Do not expose the device to extreme heat or fire. Store within recommended temperature ranges.

The LOKITHOR J3250 PRO incorporates 10 safety protection technologies, including spark-proof, reverse-polarity, short-circuit, reverse-charge, low-temperature, high-temperature, over-voltage, over-load, over-charge, and over-current protection.
3. Ngwaahịa gafereview
3.1 Kedu ihe dị na igbe ahụ
- LOKITHOR J3250 PRO Jump Starter Unit
- Jumper Starter Clamps
- USB-A ka eriri USB-C
- USB-C na eriri USB-C
- 12V nkwụnye
- Ngwa nchekwa akpa
- Akwụkwọ ntuziaka onye ọrụ

Included components with the LOKITHOR J3250 PRO Jump Starter.
3.2 Atụmatụ
- High Starting Current: Na-enye 3250 Amp peak current for reliable vehicle starting.
- Ndakọrịta njin Suitable for gasoline engines up to 9.5 liters and diesel engines up to 7.5 liters.
- LiFePO4 Battery Technology: Offers over 2000 cycles at 100% depth of discharge, providing extended lifespan and enhanced chemical stability compared to traditional lead-acid or lithium-ion batteries.
- Nchekwa di elu: Features 10 types of protection, including spark-proof, mistake-proof, and reverse-polarity protection.
- 100W Two-way Fast Charging: Recharges the unit in approximately 60 minutes and can provide power output for USB-C devices.
- ConnectMax Technology: Automatically detects clamp connection impedance to optimize starting efficiency.
- Ụlọ akụ ọkụ nwere ike ibugharị: Provides 74.24Wh capacity with USB-A and USB-C outputs for charging phones, tablets, laptops, and other devices.
- Ọkụ ọkụ LED 400-Lumen: Includes multiple modes (constant, strobe, SOS) for emergency lighting.
- Nhazi na-adịgide adịgide: IP65 waterproof and dustproof rating, designed to operate in temperatures from -4°F to 140°F (-20°C to 60°C).
- Ogologo oge njikere: Maintains charge for up to 42 months (1260 days) with minimal self-discharge.

The J3250 PRO provides 3250A peak current, suitable for large engines.

The device features an IP65 rating for water and dust resistance.
4. Ntọala na Nchaji
4.1 Nchaji izizi
Before first use, fully charge the LOKITHOR J3250 PRO. This ensures optimal performance and extends battery life.
- Connect the provided USB-C to USB-C cable to the jump starter's USB-C input port.
- Connect the other end of the USB-C cable to a 100W Power Delivery (PD) compatible wall charger (not included) or use the included 12V adapter.
- The display will show charging progress. A full charge typically takes about 60 minutes with a 100W PD charger.
4.2 Recharging the Device
It is recommended to recharge the jump starter after each use. If not used regularly, recharge the unit every 3-6 months to maintain battery health and readiness.
5. Ntuziaka ọrụ
5.1 Jump Starting a Vehicle (Normal Mode)
Use Normal Mode for vehicles with a partially discharged battery.
- Tinye Clamps: Jikọọ uhie (+) clamp to the positive terminal of the vehicle battery. Connect the black (-) clamp na njedebe na-adịghị mma nke batrị ụgbọ ala.
- Ike Na: Turn on the LOKITHOR J3250 PRO. The device will automatically detect the battery and prepare for jump starting.
- Ụgbọ ala: Bido ụgbọ ala gị.
- Power Off & Detach: Once the vehicle starts, power off the jump starter and immediately disconnect the clamps site na batrị ụgbọ ala.

Steps for jump starting a vehicle using Normal Mode.
5.2 Jump Starting a Vehicle (Boost Mode)
Use Boost Mode for completely dead batteries where Normal Mode does not initiate a jump start.
- Tinye Red Clamp: Jikọọ uhie (+) clamp gaa na njedebe dị mma nke batrị ụgbọ ala.
- Activate Boost: Long press the 'Boost' button on the jump starter for more than 5 seconds. The display will indicate Boost Mode is active.
- Tinye Black Clamp: Jikọọ ojii (-) clamp na njedebe na-adịghị mma nke batrị ụgbọ ala.
- Ụgbọ ala: Start your vehicle within 30 seconds of activating Boost Mode.
- Power Off & Detach: Once the vehicle starts, power off the jump starter and immediately disconnect the clamps site na batrị ụgbọ ala.

Steps for jump starting a vehicle using Boost Mode for completely dead batteries.
5.3 Iji dị ka Portable Power Bank
The J3250 PRO can charge various electronic devices.
- Connect your device to the USB-A output port (12V/1.5A, 18W QC) or the USB-C output port (20V/5A, 100W PD).
- The device will automatically begin charging.

The J3250 PRO can charge multiple electronic devices.
5.4 Iji ọkụ ọkụ LED
The integrated 400-lumen LED flashlight provides illumination and emergency signaling.
- Press the flashlight button once for constant illumination.
- Press again to cycle through Strobe and SOS modes.
- Pịa ugboro anọ ka ịgbanyụ ọkụ.

The 400-lumen LED flashlight offers multiple modes for various situations.
6. Nlekọta
- Na-ebugharị mgbe niile: To prolong battery life, recharge the unit after each use. If stored, recharge every 3-6 months.
- Nchekwa: Store the jump starter in a cool, dry place, away from direct sunlight and moisture. The device has a standby time of up to 42 months when fully charged.
- Nhicha: Clean the exterior of the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Clamp Nlekọta: Gbaa mbọ hụ na clamps are clean and free of corrosion for optimal connection.

The J3250 PRO maintains charge for up to 42 months in standby.
7. Nchọpụta nsogbu
If you encounter issues with your LOKITHOR J3250 PRO, refer to the following common troubleshooting steps:
- Ngwaọrụ anaghị agbanwu: Ensure the device is charged. If the battery is completely depleted, charge it for at least 15-30 minutes before attempting to power on.
- Vehicle Not Starting (Normal Mode):
- Lelee na clampA na-ejikọ s na njedebe batrị ziri ezi nke ọma (uhie ruo na mma, ojii ruo na adịghị mma).
- Ensure the vehicle battery terminals are clean and free of corrosion.
- If the vehicle battery is completely dead, try using Ụdị nkwalite.
- Vehicle Not Starting (Boost Mode): Ensure the Boost Mode was activated correctly (long press for 5 seconds) and the vehicle was started within 30 seconds.
- Clamps Sparking: This is normal if the clamps are connected incorrectly or if there is a poor connection. Ensure proper connection and clean terminals. The device has spark-proof protection.
- Na-ekpo oke ọkụ nke ngwaọrụ: The device has high-temperature protection. If it feels excessively hot, disconnect it and allow it to cool down before further use.
- Okwu ịchaji: Ensure the charging cable and adapter are functioning correctly and are compatible with 100W PD for fast charging.
If problems persist, please contact LOKITHOR customer support.
8. Nkọwapụta
| Njirimara | Nkọwapụta |
|---|---|
| Nlereanya | J3250 PRO |
| Ọnụ ọgụgụ kasị elu Ampoge | 3250 Amps |
| Ndakọrịta Injin (Gas) | Ihe ruru 9.5 lita |
| Ndakọrịta Injin (Diesel) | Ihe ruru 7.5 lita |
| Ụdị batrị | LiFePO4 (Lithium Iron Phosphate) |
| Ndụ okirikiri batrị | 2000+ Cycles (at 100% DoD) |
| Nchaji ntinye | USB-C PD 100W (5-20V/5A) |
| USB-C mmepụta | 100W (20V/5A) |
| USB-A mmepụta | 18W QC (12V/1.5A) |
| Mmepụta DC | 12V/10A |
| Ọkụ ọkụ | 400 Lumen |
| Akụkụ | 10.67 x 3.78 x 8.34 sentimita asatọ |
| Ibu | 6.39 pound |
| Okpomọkụ na-arụ ọrụ | -4°F ruo 140°F (-20°C ruo 60°C) |
| Ogo IP | IP65 (mmiri na-egbochi uzuzu) |
| Oge Njikere | Ruo ọnwa 42 |

The J3250 PRO is designed to operate in a wide range of temperatures.
9. Akwụkwọ ikike na nkwado
LOKITHOR products are designed for reliability and performance. For warranty information, product registration, or technical support, please refer to the official LOKITHOR webma ọ bụ kpọtụrụ ngalaba ọrụ ndị ahịa ha ozugbo. Debe risit ịzụrụ ihe gị dị ka ihe akaebe nke ịzụrụ ihe maka nkwupụta nkwa.
If you have any after-sales questions, please feel free to contact us.