Key Features

• ● Engine start-up test – quick assessment of starting ability
• ● Load testing and charging system analysis
• ● Measurement of internal battery resistance
• ● Battery health evaluation and lifespan prediction
• ● 2.4” TFT color screen – clear data, no glare
• ● Safety features: reverse polarity protection, over-voltage protection, insulated clamps

Technical Specifications

• ● Model: FNIRSI® BTM-24
• ● Voltage range: 12V / 24V
• ● Peak current: up to 2000A
• ● Display: 2.4” TFT color screen
• ● Interface languages: Chinese, English
• ● Dimensions: 80.5 × 155.7 × 28.1 mm
• ● Net weight: approx. 479 g
• ● Supported battery types: ASB, FLA, VRLA, LAB, EV LAB
• ● Standards: CCA, IEC, EN, DIN, JIS, GB

Test Parameters

• ● Load test: voltage ≥ 13.4V (24V system) / ≥ 12.8V (12V system)
• ● Charging test: dynamic voltage 13.3–15V (12V) / 26.6–30V (24V)
• ● Cold cranking current: up to 2000A (CCA)
• ● Operating temperature: -20°C to +60°C

Applications

• ● Automotive starting batteries
• ● Flooded and valve-regulated lead-acid batteries (VRLA)
• ● Motorcycles and scooters
• ● Electric vehicle batteries
• ● Workshop diagnostics and DIY use

Package Contents

• ● 1 × FNIRSI BTM-24 Battery Tester
• ● 1 × USB-C charging cable
• ● 1 × User manual
• ● 1 × Storage case