High-Precision Rechargeable Battery Tester Hydrometer

Fast & Accurate Detection
– Measures battery voltage, temperature, and specific gravity with industrial-grade sensors for reliable results in seconds.
Anti-Freeze Durability
– Engineered with reinforced ABS casing and silicone seals to withstand extreme cold (-20°C to 60°C), ideal for automotive, marine, and off-grid energy systems.
Rechargeable & Long-Lasting
– Built-in Li-ion battery (500+ cycles) with USB-C charging, eliminating disposable battery waste.
Professional-Grade Clarity
– High-definition LCD screen with backlight ensures readability in low-light workshops or outdoor environments.
Multi-Application Ready
– Perfect for maintaining car batteries, solar power banks, golf carts, and RV deep-cycle batteries.
Ergonomic & Splash-Proof
– Textured grip and IP54 rating for slip-resistant handling in wet or oily conditions.
Bulk Order Advantage
– Direct factory pricing with scalable wholesale quantities, ensuring unbeatable value for distributors and repair shops.