DLYFULL Universal Battery Tester

Introduction

The Dlyfull B2 Universal Battery Tester is a compact and highly compatible device designed to quickly and accurately assess the health of various battery types. It features a crisp LCD screen that clearly indicates whether a battery is in poor, weak, or good condition, helping you identify usable batteries and dispose of depleted ones efficiently. This manual provides comprehensive instructions for setting up, operating, and maintaining your battery tester.

What's Included

• 1x Dlyfull B2 Battery Tester
• 1x AAA Alkaline Battery (for tester power)
• Welcome Guide

Setup

Your Dlyfull B2 Battery Tester requires one AAA battery for operation. This battery is included in the package.

1. Locate the battery compartment on the back of the Dlyfull B2 Battery Tester.
2. Slide open the battery compartment cover.
3. Insert one AAA alkaline battery, ensuring the correct polarity (+ and - ends match the markings inside the compartment).
4. Close the battery compartment cover securely.

The tester is now ready for use.

Image: Back view of the Dlyfull B2 Battery Tester, highlighting the AAA battery compartment for power.

Operating Instructions

The Dlyfull B2 Battery Tester is designed for ease of use. Simply place the battery into the appropriate slot, and the LCD screen will display its condition.

Battery Compatibility

This universal battery checker is compatible with a wide range of battery types, including:

• AA, AAA, C, D, 9V, N
• CR123A, CR2, CRV3, 2CR5, CR-P2 cylindrical batteries
• Various 1.5V/3V button cell batteries (e.g., CR2032)

Note: This tester is NOT powered by rechargeable batteries, nor is it designed to test rechargeable batteries.

How to Test Batteries

1. Identify the correct slot on the tester for your battery type. The tester has clearly marked sections for different sizes and types.
2. Insert the battery into the designated slot, ensuring the positive (+) and negative (-) terminals align correctly with the tester's contacts.
3. Observe the LCD display. The bar graph will instantly show the battery's condition:
   • POOR: 1-5 columns (empty battery, should be disposed)
   • WEAK: 6-10 columns (OK to use but recommend not for devices with limited power)
   • GOOD: 11-18 columns (battery with adequate power)
4. Remove the battery once the reading is complete.

Visual Guide to Testing

Image: Front view of the Dlyfull B2 Battery Tester with a D-size battery inserted, showing the LCD display.

Image: A visual guide illustrating the 12 different battery sizes compatible with the tester, including cylindrical and button cell types.

Image: Close-up of the easy-to-read LCD screen, clearly showing the "POOR," "WEAK," and "GOOD" indicators for battery health.

Image: Demonstrations of testing different battery types: a 9V battery, a button cell, and a cylindrical battery.

Official Product Video

Watch this official product video from DlyfullDirect for a comprehensive overview of the battery tester's features and usage.

Maintenance

• Cleaning: Wipe the tester with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
• Storage: Store the battery tester in a cool, dry place away from direct sunlight and extreme temperatures. Remove the AAA battery if storing for extended periods to prevent leakage.

Troubleshooting

Specifications

• Model: B2
• Power Source: 1x AAA battery (DC 1.5V)
• Display: LCD Bar Graph
• Dimensions: 5.2 x 3.46 x 0.94 inches
• Weight: 4.06 ounces (115 Grams)
• Color: Black
• Compatibility: AA, AAA, C, D, 9V, N, CR123A, CR2, CRV3, 2CR5, CR-P2, 1.5V/3V Button Cells

Warranty & Support

Dlyfull provides an 18-month warranty for the Universal Battery Tester. For any product inquiries, technical support, or warranty claims, please contact Dlyfull customer service.

You can also refer to the official User Manual (PDF) for additional information.