RC300 SLA and Standby Battery Tester 6/12V 4-50Ah

Auto Meter RC300 SLA & Standby Battery Tester 6/12V 4–50Ah — Specialized Testing for Sealed Lead Acid & UPS Batteries

The Auto Meter RC300 is a specialized 6/12V battery tester designed specifically for sealed lead acid (SLA), AGM, and standby batteries in the 4–50Ah range. Unlike general automotive battery testers, the RC300 is purpose-built for the smaller standby batteries used in UPS systems, emergency lighting, security panels, fire alarm systems, and medical equipment — where accurate condition assessment is critical for life-safety compliance.

Compact and lightweight at just 0.41 kg, the RC300 delivers fast, reliable test results for the standby battery market. Backed by a 12-month warranty from Auto Meter.

Key Features

• 6V & 12V / 4–50Ah range — purpose-built for small SLA and standby batteries used in UPS, security, and emergency systems
• Specialized SLA/standby testing — optimized for sealed lead acid, AGM, and gel standby batteries
• 4–50A test range — covers the full range of small standby battery applications
• Compact and lightweight — only 0.41 kg for easy use in server rooms, equipment rooms, and field inspections
• 12-month warranty — backed by Auto Meter

Specifications

• Voltage: 6V / 12V
• Capacity Range: 4–50Ah
• Amp Range: 4–50A
• Dimensions: 4.5" x 7.1" x 1.4" (114 x 180 x 36 mm)
• Weight: 0.41 kg
• Part/Model Number: RC300
• Brand: Auto Meter
• Warranty: 12 months

Ideal For

• UPS (uninterruptible power supply) battery maintenance
• Emergency and exit lighting system inspections
• Fire alarm and security panel battery testing
• Medical equipment battery compliance testing
• Telecom and IT infrastructure battery management

Ships from Thunder Battery — Canada's trusted energy storage dealer.