Tzumi PocketJuice e-start 20,000mAh User Guide

Introduction

This compact and powerful portable charger is essential for emergencies. Equipped with a built-in flashlight and the capability to jump-start your car, this 20,000mAh e-start keeps your devices charged and ensures you have light to navigate to safety. When your car battery fails, this versatile device can jump-start your vehicle, giving you peace of mind during unexpected situations.

Features:

• Car Jump Starter
• 20,000mAh Battery Capacity
• Big LCD Display
• 3 Flashlight Modes
• Dual USB Ports

What's Included:

• 20,000mAh Pocket Juice e-start
• USB-C Cable
• Jumper Cables
• User Guide

Product Overview & Functions

The device features a Power Button, LCD Display, Flashlight, USB Ports, USB-C Port, and a Jump Starter Socket.

Charging the Power Bank

1. Plug one end of the included charging cable into the USB-C port on the power bank, and the other end into a USB power source.
2. It takes up to 10 hours to charge the power bank fully from a depleted battery level.
3. While the power bank is charging, its LCD display will indicate the percentage according to its current battery level and show 'in' to signify it is charging.

Note: To preserve the power bank's battery capacity, fully charge and discharge it at least once every 3 months, even if not used regularly.

Charging Your Mobile Devices

1. Before charging your device, turn on the power bank and check the battery percentage displayed on the LCD screen.
2. Plug one end of the appropriate USB cable for your device into the power bank and the other end into your device's charging port.
3. The charging process will start automatically, and your device will indicate the charging progress.
4. Once the charging process is complete, disconnect your device from the power bank.
5. The power bank can support charging two devices simultaneously.

Using the Flashlight

1. Press the Power Button, then press and hold the Power Button for 4 seconds to turn the flashlight on.
2. Press the Power Button again to activate SOS mode.
3. Press the Power Button once again to activate Strobe mode.
4. Press the Power Button a fourth time to turn the flashlight off.

How to Jump Start a Vehicle

1. Connect the jumper cable's Jump Starter port to the Jump Starter's output socket.
2. Attach the red battery clamp of the jumper cable to the positive (+) terminal of the vehicle's battery, then connect the black battery clamp to the negative (-) terminal.
3. Ensure the jumper cables are connected to the correct battery terminals.
4. The red and green lights will flash alternately, indicating standby mode.
5. Turn the car to the ACC position. (Do not start the vehicle)
6. Wait until the smart cables show a solid green light.
7. Start the vehicle.
8. If the vehicle does not start, allow the power bank to cool down for 1-2 minutes between each starting attempt.

Note: If the light does not turn green, it may indicate the following issues:

• The car is not in the ACC position.
• The jumper cables are attached to the wrong battery terminals or are not securely connected.
• The power bank's battery power is too low to start the vehicle.
• The required starting current of the vehicle exceeds the peak current of the jump starter.

How to Jump Start a Vehicle (Continued):

9. Once the vehicle starts, immediately disconnect the cables and securely store the power bank and accessories.

Care and Maintenance

Your Pocket Juice e-start power bank comes pre-charged; however, some battery life may have been lost during transit due to various factors.

• To maintain the battery capacity, it's recommended that the unit be fully charged and discharged at least once every three months, even if it is not used regularly.
• Before using the jumper cables, inspect them for any damage. Store them in a cool, dry place, and clean the clamps regularly to prevent corrosion.
• To guarantee the best and most efficient performance, ensure your power bank is fully charged before powering your devices or jump-starting your car.

Note: The rated internal battery capacity of this Tzumi product will vary depending on the discharge rate and the temperature range in which the device operates. Actual output will be less.

Product Specifications

• Battery Capacity: 20,000mAh
• Peak Current: 1000A
• Voltage: 12V
• Charging Time: Up to 10 hours
• Running Time: 6 hours
• Type-C Input: 5V/2A, 9V/2A
• USB Output: 5V/2A
• USB QC Output: 5V/3A, 9V/2A, 12V/1.5A
• Size: 7.1 x 3.5 x 1.5 in
• Weight: 1.87 lbs.

Warranty & Safety Information

• Charge the power bank fully before using it for the first time.
• Do not strike, drop, or apply strong pressure to the power bank, nor place sharp or heavy objects on top of it. Strong shocks and impacts may cause irreversible damage to the unit.
• Keep this product away from water and all other liquids to avoid irreparable damage to its internal circuitry.
• Do not operate this unit if it has been exposed to any kind of liquid, or if it is visibly wet.
• Do not attempt to repair, disassemble, or modify this unit. There are no user-serviceable parts inside of this product.
• Keep this unit away from heat sources and flammable objects or substances.
• Keep this unit away from children. This product is not a toy.
• Store this product in a dry place, away from extreme temperatures, high humidity levels, and dust.
• Before charging a device, confirm that the device's input voltage is the same as the power bank's output voltage.
• To reduce the risk of fire, explosions, or other dangers, do not disassemble, press, or puncture the unit or its battery cell; do not make the unit short circuit, throw it into water or a fire, or expose it to extreme temperatures.
• Immediately discontinue use if the battery is swollen, leaking, emitting an unusual odor, feels hot, has changed in color or shape, or appears abnormal in any way.
• While using the jumper cables, disconnect it from the vehicle's battery terminals within 30 seconds of starting the vehicle to prevent overheating, fire, or explosion.
• Do not connect the red and black clamps together while the unit is powered on and ensure correct polarity when connecting them to the battery.

Battery Disposal

This product contains a rechargeable lithium-polymer battery. When fully discharged, lithium-polymer batteries are environmentally safe. Do not dispose of this product along with household waste. It must be disposed of safely at a hazardous waste collection site, recycling facility, or electronic retailer that recycles. Refer to your local and state laws for disposal procedures.

Customer Support

If you have any questions about using this product, Tzumi is here to help. Call or email customer support, and an experienced representative will be happy to assist you:

1-855-GO-TZUMI or support@tzumi.com.

Distributed by Tzumi Inc. NY, NY, 10016. Copyright 2025. All Rights Reserved. Made in China. All pictures shown are for illustration purposes only. Actual product may vary due to product enhancement. All other trademarks and trade names are the property of their respective owners. Subject to change without prior notice.