Square battery reader

🔋 Square digital battery tester 0-100 volts – with high accuracy and clear LED display monitor your electrical system voltage accurately and confidently with the high-performance digital voltmeter. Available in two models according to your needs: 🔹 Waterproof model – to withstand outdoor conditions and humidity 🔹 Non-waterproof model – ideal for indoor and enclosed use ✅ General features: Accurate reading of DC voltage from 0 to 100 volts with ±1% accuracy. High-brightness 3-digit LED display – easy to read even in the dark. Reverse polarity protection to prevent any electrical damage. Compact and lightweight design, easy to install in any project. High stability and resistance to electromagnetic interference. 🛡️ Water-resistant? According to your needs: ✅ Water-resistant – suitable for outdoor use or in humid environments. ❌ Not water-resistant – economical and suitable for indoor installations. 🧰 Technical specifications: Voltage range: DC 0~100V Measurement accuracy: ±1% Refresh rate: 200ms Operating voltage: DC 3~30V Power consumption: less than 20mA Screen colors: Red Weight: approximately 17 grams Dimensions: 4.8 × 2.9 × 1.9 cm