How to Test Capacity of a Lead Acid Battery with a Source Measure Unit
Batteries are characterized by their ability to deliver the required current over some period of time, called Amp-hours. Also known as capacity, different types of batteries have different characterizations curves that show their amp-hours as a funciton of time. Veirfying the manufacturer's capacity after the battery has been used for some time is known as a battery charge-discharge test. In this video, applications engineer Barry Bolling uses a GS610 source measure unit to perform a charge-discharge test on a lead acid battery. Source measure units, devices that funciton both as a power supply and a multimeter/electronic load, are ideal for these types of tests.
Transcription
Batteries are characterized by their ability to deliver the required current over some period of time, called Amp-hours. Also known as capacity, different types of batteries have different characterizations curves that show their amp-hours as a function of time.
Lead Acid Battery Testing Methods
Verifying the manufacturer's capacity after the battery has been used for some time is known as a battery charge-discharge test.
How To Test Battery Capacity With Multimeter
Source measure units, devices that function both as a power supply and a multimeter/electronic load, are ideal for these types of tests. In this video, applications engineer Barry Bolling uses a GS610 source measure unit to perform a charge-discharge test on a lead acid battery to show how to test lead acid battery capacity.
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GS610 Source Measure Unit
- 1-Channel
- ±110V / ±0.5A or ±12V / ±3.2A
- Resolution: 1 µV / 100 pA
- Sweep: Linear, Log, Custom
- Output: DC, Pulse (50 µs to 3600 s)
Source Measure Units
A Source Measurement Unit (SMU) is a flexible test instrument which is capable of both sourcing and measuring voltage and/or current at the same time.