Dlyfull DB1 and B2-Blue Universal Battery Testers User Manual

1. Introduction

This user manual provides detailed instructions for the safe and effective operation of your Dlyfull DB1 Small Universal Battery Tester and Dlyfull B2-Blue Battery Checker. Please read this manual thoroughly before using the devices to ensure proper functionality and to prevent damage.

Image: The Dlyfull DB1 (right) and B2-Blue (left) battery testers, showcasing their distinct designs and functionalities. The DB1 is compact with a digital display, while the B2-Blue features multiple slots for various battery sizes and a digital display.

2. Safety Information

• Do not attempt to test damaged or leaking batteries.
• Ensure correct polarity when inserting batteries into the tester. Incorrect insertion can damage the device or battery.
• Keep the device away from water, moisture, and extreme temperatures.
• Do not disassemble or modify the tester. Refer all servicing to qualified personnel.
• Keep out of reach of children.

3. Package Contents

Upon opening your package, please verify that all the following items are included:

• 1 x Dlyfull DB1 Small Universal Battery Tester
• 1 x Dlyfull B2-Blue Battery Checker
• 1 x AAA Battery (for B2-Blue)
• 1 x USB-C Charging Cable (for DB1)
• 1 x User Manual (this document)

4. Product Features

Dlyfull DB1 Features:

• High Compatibility: Universal battery tester for 1.2V Ni-MH/CD, 1.5V Alkaline, 3.0V Lithium, 3.7V Li-ion, 9.0V; Supports AAA AA C SC D N sizes, button cells, CR123A, CR2032, LR44, 18650 and more, offering versatile compatibility for various applications.
• Smart LCD Display: The precise digital battery tester shows what you need to know about your battery voltage and health, accurately indicating whether the voltage is good, weak, or poor.
• One-Touch, Easy to Use: Press the V-SELECT button briefly to power on and cycle through battery types. Quickly double press to turn the buzzer on/off. Long press to power off.
• Magnetic Battery Slot: Simply place the battery into the battery checker tester and slide the magnetic slider to secure it firmly. No worries about slipping, easily test with one hand.
• Compact & Long Battery Life: Rechargeable household battery tester with USB-C input. Full charge lasts up to 15 hours, no need for frequent Power supply battery changes. Portable and easy to store.

Dlyfull B2-Blue Features:

• Wide Range Compatibility: Designed to test a broad spectrum of battery types including standard cylindrical batteries (AA, AAA, C, D, N), 9V batteries, and various button cells.
• LCD Display: Provides a digital reading of battery voltage and status.
• Powered by AAA Battery: Requires 1x AAA battery for operation.

5. Setup

Dlyfull DB1 Setup:

1. Initial Charge: Before first use, connect the DB1 tester to a USB power source using the provided USB-C cable. The device has a built-in rechargeable battery that provides up to 15 hours of continuous use on a full charge.
2. Power On: Briefly press the "V-SELECT" button to power on the device.

Image: The Dlyfull DB1 tester being charged via its USB-C port, highlighting its internal rechargeable battery for extended use.

Dlyfull B2-Blue Setup:

1. Install AAA Battery: Open the battery compartment on the back of the B2-Blue tester and insert one AAA battery, observing correct polarity.
2. The B2-Blue is now ready for use.

6. Operating Instructions

Using the Dlyfull DB1:

1. Power On: Briefly press the "V-SELECT" button to turn on the tester.
2. Select Battery Type: After powering on, briefly press the "V-SELECT" button repeatedly to cycle through the supported battery voltage types (1.2V, 1.5V, 3.0V, 3.7V, 9.0V). Select the voltage that matches the battery you intend to test.
3. Insert Battery: Place the battery into the magnetic battery slot. Ensure the positive (+) and negative (-) terminals of the battery align correctly with the markings on the tester. Slide the magnetic slider to secure the battery firmly in place.
4. Read Display: The LCD screen will display the battery's voltage and its health status (GOOD, WEAK, or POOR) using clear indicators.
5. Buzzer Control: Double-press the "V-SELECT" button quickly to toggle the buzzer sound on or off.
6. Power Off: Long-press the "V-SELECT" button to turn off the device. The device will also automatically power off after a period of inactivity.

Image: A close-up of the Dlyfull DB1's magnetic battery slot, demonstrating how a battery is securely held for testing.

Image: The Dlyfull DB1's LCD display, illustrating the voltage reading and the "GOOD," "WEAK," and "POOR" indicators for battery health.

Image: The Dlyfull DB1 demonstrating its versatility by testing a cylindrical battery, a button cell, and a 9V battery in their respective slots.

Using the Dlyfull B2-Blue:

1. Identify Slot: Locate the appropriate slot or contact points on the B2-Blue tester for the battery type you wish to test (e.g., cylindrical, 9V, button cell).
2. Insert Battery: Insert the battery into the designated slot, ensuring correct polarity. For cylindrical batteries, use the adjustable slider. For 9V batteries, align the terminals. For button cells, place them between the contact points.
3. Read Display: The LCD screen will display the battery's voltage and its health status (e.g., a bar graph or digital reading).
4. Remove Battery: Once tested, remove the battery from the tester.

Image: Detailed view of the Dlyfull B2-Blue in action, showing how to test a 9V battery, a button cell, and a cylindrical battery.

7. Battery Compatibility

Both Dlyfull testers offer broad compatibility with various battery types. Refer to the lists below for specific supported batteries:

Dlyfull DB1 Supported Battery Types:

• Cylindrical Batteries: 1.2V Ni-MH/CD (AA, AAA, C, SC, D, N), 1.5V Alkaline (AA, AAA, C, D, N), 3.0V Lithium (CR123A, CR2), 3.7V Li-ion (18650, 26650, 21700, etc.)
• Button Cells: 3.0V (CR2032, etc.), 1.5V (LR44, AG13, etc.)
• 9V Batteries: Standard 9V (6F22, 6LR61)

Image: An illustrative diagram showcasing the extensive range of battery types compatible with the Dlyfull DB1 tester, including various cylindrical, button, and 9V batteries.

Dlyfull B2-Blue Supported Battery Types:

• Cylindrical Batteries: AA, AAA, C, D, N
• 9V Batteries: Standard 9V (6F22, 6LR61)
• Button Cells: Various 1.5V and 3V button cells.

Image: A visual guide detailing the 12 different battery sizes that the Dlyfull B2-Blue battery checker can test, categorized by cylindrical, special, button cell, and 9V batteries.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the testers. Do not use abrasive cleaners or solvents.
• Storage: Store the testers in a cool, dry place, away from direct sunlight and extreme temperatures.
• Battery Care (DB1): If storing the DB1 for an extended period, ensure it has a partial charge (around 50%) and recharge it every few months to maintain battery health.
• Battery Care (B2-Blue): If storing the B2-Blue for an extended period, remove the AAA battery to prevent leakage.

9. Troubleshooting

10. Specifications

Dlyfull DB1:

• Dimensions: Approximately 65mm (W) x 96mm (H) x 32mm (D)
• Weight: Approximately 93g
• Input: USB-C for charging internal battery
• Battery Life: Up to 15 hours continuous use on full charge
• Supported Voltages: 1.2V, 1.5V, 3.0V, 3.7V, 9.0V
• Display: LCD Digital Display

Image: The Dlyfull DB1 held in a hand, illustrating its compact and portable design, with an inset showing its precise dimensions and weight.

Dlyfull B2-Blue:

• Power Source: 1x AAA Battery (included)
• Display: LCD Digital Display
• ASIN: B0DV9H3PC4 (for the bundle)
• Date First Available: January 28, 2025

11. Warranty and Support

Dlyfull products are manufactured with high standards of quality. For warranty information or technical support, please refer to the warranty card included with your product or visit the official Dlyfull website. You may also contact the seller directly for assistance.

For further inquiries, please visit the DLYFULL Store on Amazon.