Take the guesswork out of your power management. Our 3-in-1 Battery Tester is a precision diagnostic instrument that provides instant feedback on the health, voltage, and balance of your battery packs. Whether you are checking the remaining capacity of an 18650 cell or balancing a multi-cell Li-Po pack for a drone, this tester provides the accuracy and reliability professional engineers demand.
Multi-Chemistry Support: A single tool to test Li-Po, Li-Fe, Li-ion, as well as NiCd and NiMH batteries.
Precision Voltage Monitoring: Displays the total voltage, individual cell voltage (for Lithium packs), and the voltage gap between cells.
Integrated Balancing Function: Automatically balances the voltage of individual cells in a Lithium pack to ensure maximum battery life and safety.
Real-Time Capacity Readout: Provides a clear percentage (%) readout of the remaining energy, so you never head into the field with a half-empty pack.
Robotics & RC Maintenance: Essential for checking the balance of 2S to 7S Li-Po packs used in robots, drones, and RC vehicles.
Battery Salvaging: Test individual 18650 cells to identify which ones are still healthy enough for reuse in DIY power banks.
Workshop Quality Control: Quickly verify that the battery holders you've installed are delivering the correct voltage to your circuit.
STEM Education: A great visual tool for teaching students about voltage drop, cell balancing, and energy density.
Large High-Contrast LCD: Features a clear digital display that shows all cell data at a single glance—no scrolling required.
Universal Connection Ports: Equipped with standard balance lead ports (JST-XH) and a dedicated 3-pin port for NiMH/NiCd packs.
Compact & Rugged Body: Built to withstand the rigors of field use while being small enough to fit in a pocket or tool bag.
One-Touch Mode Switching: Easily toggle between Cell Voltage, Total Voltage, Max/Min Cell Gap, and Capacity Percentage.
Product Type: 3-in-1 Digital Battery Capacity Checker / Balancer
Display Modes: Cell Voltages, Total Voltage, Lowest Cell, Highest Cell, Voltage Gap, Remaining Capacity (%)
Colour: Matte Black / Industrial Blue
Included: 1x 3-in-1 Battery Tester, 1x User Manual
Does it need its own battery to work? No! The tester is self-powered. It draws the tiny amount of energy it needs to run from the battery you are currently testing.
Can it test a single 1.5V AA battery? The digital series is primarily designed for multi-cell packs (Lithium 2S+ or NiMH 4S+). To test a single AA or AAA battery, you would typically use an analog-style tester or a multimeter.
Why is "Balancing" important? In Lithium packs, if one cell has a higher voltage than the others, it can lead to instability or fire during charging. This tester helps bleed off excess voltage from high cells to keep the pack safe and healthy.
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