Digital Battery Capacity Tester & Discharge Meter – LCD Display Module for 18650 Lithium & Lead-Acid Batteries in Pakistan

Overview

When sorting through old battery collections, verifying the actual performance of brand-new cells, or building custom power banks, guessing a battery’s true milliamp-hour (mAh) capacity leads to unreliable projects. The Digital Battery Capacity Tester with LCD Display takes the guesswork out of energy storage. Featuring dual onboard ceramic load resistors, a clear digital readout screen, and precise voltage-current monitoring, this testing module automatically discharges your batteries under a controlled load to measure and display their exact capacity in mAh and milliwatt-hours (mWh).

Key Features

• Direct Capacity Measurement: Accurately calculates and displays total discharged capacity (mAh) and energy (mWh) to evaluate true battery health.

• Smart Digital LCD Display: Real-time monitoring shows discharge voltage, discharge current, elapsed time, and cumulative capacity metrics.

• Dual Ceramic Load Resistors: Built-in high-power resistors safely bleed off energy during the constant current discharge cycle.

• Micro-USB Powered Control: Easy power hookup via standard 5V USB while measuring independent battery voltages ranging from 1V to 15V.

Technical Specifications

Common Applications

• 18650 Cell Grading & Matching: Essential workbench tool for testing and pairing used lithium-ion cells before building multi-cell packs.

• Power Bank & Battery Pack Diagnostics: Verify if commercial or DIY batteries meet their advertised milliamp-hour ratings.

• Solar & Backup Battery Quality Control: Check aging performance of small lead-acid or deep-cycle backup cells.

• Note to customers: Always ensure proper polarity connection and allow the ceramic load resistors to cool down after high-current discharge tests, as they get very hot during operation!