Ideal for fire alarm systems, security installations, UPS systems, and standby power applications, this tester helps technicians verify battery health and identify failures before they cause downtime.

Professional 12V SLA Battery Capacity Tester for Fast, Accurate Diagnostics

The ACT CHROME 12V SLA Intelligent Battery Tester is a professional-grade diagnostic tool designed to quickly measure battery voltage and true amp-hour (Ah) capacity of sealed lead-acid (SLA) batteries. Using advanced pulsed load technology, it simulates a full 20-hour discharge test (C20) in seconds—eliminating the need for time-consuming traditional testing.

Perfect for technicians working with UPS systems, fire alarms, security systems, and standby power applications, this tester ensures batteries are reliable and compliant before failure occurs.

Key Features

• Instant Capacity Testing – Simulates a full 20-hour (C20) discharge test in seconds
• Wide Battery Range – Supports 12V SLA batteries from 1.2Ah to 200Ah
• Dual Readings – Displays DC voltage and available amp-hour (Ah) capacity
• Temperature Compensation – Built-in correction ensures accurate results in varying conditions
• Simple Operation – No complex setup or interpretation required
• Reverse Polarity Protection – Prevents damage during incorrect connection
• Battery-Powered – Operates directly from the battery under test

Why Choose ACT CHROME?

The ACT CHROME tester stands out because it eliminates the need for time-consuming discharge testing. Instead of waiting hours, technicians can instantly determine battery condition, improving efficiency and reducing maintenance costs.

It is particularly useful for:

• Fire & security system maintenance
• Preventive battery inspections
• Commissioning new installations
• Identifying weak or failing batteries
• Compliance with standards like NFPA 72 reserve capacity testing

How It Works

The tester uses pulsed load technology to evaluate battery performance under simulated load conditions. It then calculates the true available capacity (Ah) based on:

• Battery temperature
• State of charge
• Internal resistance characteristics

This ensures a realistic assessment of whether a battery should be recharged or replaced (typically below 65% capacity).

• also known as:
• 12V SLA battery tester
• battery capacity tester Ah
• sealed lead acid battery tester
• UPS battery tester
• fire alarm battery testing tool
• battery load tester 12V
• intelligent battery analyzer

Frequently Asked Questions

How do you test a 12V SLA battery?

Connect the tester to the battery terminals. The device automatically performs a load simulation test and displays voltage and capacity instantly.

What is a good battery capacity reading?

A healthy battery should have 80–100% capacity. Below 65%, replacement is recommended.
A fully charged 12V SLA battery should typically maintain 80–100% of its rated capacity. If the measured capacity drops below 65%, the battery is considered weak and should be replaced.

Can this tester be used for UPS batteries?

Yes, it is specifically designed for UPS and standby battery systems.

Does it work on AGM and GEL batteries?

Yes, it supports most sealed lead-acid types, including AGM and GEL.

• 12V SLA Battery Tester with Capacity Measurement (Ah)
  Advanced battery tester designed for sealed lead-acid (SLA) batteries, providing precise amp-hour (Ah) capacity readings for accurate health diagnostics.
• Instant Battery Load Testing Technology
  Performs fast battery load simulation equivalent to a 20-hour discharge test (C20), delivering real-time results in seconds.
• Professional Battery Analyzer for Fire Alarm & Security Systems
  Ideal for fire alarm battery testing, security system maintenance, and UPS battery diagnostics, ensuring compliance and reliability.
• High-Accuracy Voltage & Capacity Testing Tool
  Measures DC voltage and true available battery capacity with high precision, helping identify weak or failing batteries.
• Wide Range SLA Battery Compatibility (1.2Ah–200Ah)
  Suitable for testing a broad range of 12V sealed lead acid batteries, including standby, emergency lighting, and telecom batteries.
• Portable Handheld Battery Tester for Field Technicians
  Compact, durable, and lightweight battery testing device, perfect for on-site diagnostics and maintenance work.
• Temperature Compensated Battery Testing
  Built-in temperature correction technology ensures reliable readings in different environmental conditions.
• Easy-to-Use Intelligent Battery Tester with LCD Display
  Features a clear digital LCD screen for instant reading of voltage and capacity without complex setup.
• Reverse Polarity Protection for Safe Operation
  Prevents damage to the device and battery during incorrect connections, enhancing safety.
• Battery-Powered Tester – No External Power Required
  Operates directly from the battery under test, making it convenient for remote or field use.
• Preventive Maintenance Tool for SLA Batteries
  Helps technicians perform predictive battery maintenance, reducing system downtime and unexpected failures.
• Fast Battery Health Check for Replacement Decisions
  Quickly determines if a battery is good, weak, or needs replacement, improving maintenance efficiency.

Technical Specifications

• Battery Type: 12V Sealed Lead Acid (SLA)
• Capacity Range: 1.2Ah – 200Ah
• Test Method: Simulated 20-hour discharge (C20)
• Voltage Accuracy: +- 5%
• Capacity Accuracy: +- 10%
• Display: Digital LCD
• Power Source: Battery under test
• Protection: Reverse polarity
• Operating Type: Handheld portable

What’s Included

• ACT CHROME 12V SLA Intelligent Battery Tester
• Test leads / connectors
• Carry case
• Calibration certificate
• User manual

Who Is This For?

This tester is designed for:

• Fire alarm engineers
• Security system installers
• Electrical maintenance professionals
• Facility managers
• UPS and telecom technicians

This 12V SLA battery tester is ideal for:

• Fire alarm system battery testing
• UPS (Uninterruptible Power Supply) battery maintenance
• Security and access control systems
• Emergency lighting systems
• Telecom and backup power batteries
• Preventive maintenance programs

Why Battery Capacity Testing Matters

Voltage alone does not indicate battery health. A battery may show normal voltage but still fail under load.

The ACT CHROME tester measures actual available capacity (Ah), helping you:

• Detect weak batteries before failure
• Reduce downtime in critical systems
• Improve maintenance efficiency
• Ensure compliance with safety standards
• Make accurate replace vs. recharge decisions

Batteries typically require replacement when capacity drops below 65%.

How It Works

The tester uses intelligent pulsed load technology to simulate real operating conditions.
It analyzes:

• Internal resistance
• State of charge
• Temperature

It then calculates the true usable capacity (Ah)—providing a realistic assessment of battery performance in seconds.