TM2020A High Precision Battery Tester – Key Features

Ultra-Precise Measurement
Advanced microchip technology ensures accurate readings for internal resistance (0.01mΩ resolution), voltage (±0.1%), and capacity (±1% error), critical for diagnosing battery health.
Durable Industrial-Grade Build
CNC-machined aluminum alloy casing with shockproof rubber edges, protecting internal circuitry from drops and harsh workshop environments.
Wide Compatibility
Tests 12V/24V lead-acid, Li-ion, and AGM batteries (5-220Ah) – ideal for automotive repair, solar storage systems, and marine/RV maintenance.
One-Click Lifespan Analysis
Patented algorithm predicts remaining battery life in seconds, reducing downtime for fleet managers and mechanics.
Backlit LCD + Data Logging
Crisp 2.4" anti-glare screen stores 100+ test records, enabling technicians to track degradation trends.
Direct Wholesale Pricing
Factory-direct supply eliminates middlemen, offering bulk buyers (50+ units) unbeatable rates with OEM-quality assurance.
Global Compliance
CE/FCC/RoHS-certified, includes multilingual manual (EN/ES/DE/FR) for seamless use across North America and EU markets.