Wide compatibility This battery capacity tester excels at assessing lithium batteries and is also suitable for other rechargeable batteries, providing a versatile tool for testing across a range of electronic devices. It helps users make informed decisions and enhances convenience by covering common battery types in one unit. Clear LCD display The 0.77 inch LCD screen enables easy reading of key data. It simultaneously displays internal resistance, capacity, voltage, current, and power, allowing quick assessment of battery health and facilitating decisions on replacing or recharging batteries to extend device lifespan. Modes Presets include automatic, charging, and discharging modes for straightforward operation. After powering on, simply select the mode that fits your testing needs to work efficiently. This adaptability serves both enthusiasts and professionals. Reset functionality The tester automatically resets capacity, energy, and time data when powered off or when switching modes. This minimizes carryover errors from previous tests, ensuring accurate readings and improved reliability during battery assessments. Use scenarios Quick health check of lithium and other rechargeable batteries used in cameras, handheld devices, RC toys, and portable electronics to determine whether replacement or recharge is needed. Technician or hobbyist testing battery packs for tools, power banks, or small scale energy storage to verify performance before use or maintenance. Pre or routine maintenance evaluations to compare or replacement batteries against in service packs, supporting informed and longer device lifespans.