Key benefits Bright Blue Backlit LCD Display for easy reading in low light. Accurately measure the power and energy consumption of any dry cell powered device with this multifunctional tester. Line 12 Voltage and Current Test lets you handle higher voltages and currents with ease. Use it to predict flight time of model aircraft and to choose the most efficient motor and propeller. Comprehensive Power Analysis Tool provides quick measurements of current, voltage, watt, amperehour, watthour, peak amperehour, and peak watt. Evaluate the charging efficiency of RC cells with precision. Portable and UserFriendly design. Compact for onthego testing with an LCD screen for clear readings. Suited for aircraft enthusiasts and DIYers. What makes it stand out Functionality: Combines multiple power measurement capabilities in a single tester for dry cell powered devices and RC systems. Compatibility: Designed to analyze common RC components and battery packs, including RC cells and model aircraft power systems. Size and portability: Small, lightweight form factor ideal for field use and onsite testing. Readability: Bright backlit display ensures clear measurements in dim environments. Performance insights: Enables estimation of flight time and assessment of charging efficiency to optimize setup and battery usage. 23 practical use scenarios Model aircraft optimization: test RC battery packs and motor/propeller combinations to accurately predict flight time and identify the most efficient configuration for your aircraft. Field power profiling: measure current, voltage, and energy consumption of dry cell powered devices during realworld use to inform battery selection and charging needs. Battery maintenance and charging checks: monitor watthour and peak measurements to evaluate RC cell charging efficiency and battery health during field charges. Notes Uses 12V line voltage and current testing capability to handle higher voltage/current scenarios within its specified range. Suitable for aircraft enthusiasts, hobbyists, and DIY projects requiring precise power analysis and portable testing.