1.2V / 12V / 18650 ZB2L3 Li‑ion & Lead‑acid Battery Capacity Tester + Resistance Meter

Accurately evaluate the health of your lithium‑ion, Ni‑MH, Ni‑Cd, or lead‑acid batteries with the versatile ZB2L3 Capacity Tester. Whether you’re a hobbyist, technician, or fleet manager, this compact handheld device delivers fast, reliable readings so you can keep your power sources performing at their peak.

Key Highlights

• Multi‑voltage support: 1.2 V, 12 V, and 18650 cells – perfect for a wide range of battery types.
• Dual‑function testing: measures both capacity (mAh) and internal resistance (Ω) in a single step.
• Real‑time discharge curve with LCD display for precise monitoring.
• Built‑in safety cut‑off prevents over‑discharge and protects batteries from damage.
• Simple one‑button operation – no calibration required.
• Portable, lightweight design (150 g) with ergonomic grip for field use.
• USB‑type charging port for easy recharging of the tester itself.

Why Choose the ZB2L3 Tester?

Battery performance directly impacts the reliability of your devices, tools, and vehicles. The ZB2L3 gives you confidence by:

• Identifying weak or failing cells before they cause downtime.
• Optimizing charge cycles to extend overall battery lifespan.
• Providing accurate data for inventory management and warranty claims.
• Saving time and money by eliminating guesswork during maintenance.

Technical Specifications

• Supported voltages: 1.2 V (Ni‑MH/Ni‑Cd), 12 V (lead‑acid), 3.6 V–4.2 V (18650 Li‑ion)
• Capacity range: 100 mAh – 5000 mAh
• Resistance measurement: 0.001 Ω – 10 Ω
• Display: 1.8‑inch backlit LCD
• Battery for tester: 18650 Li‑ion (included)
• Operating temperature: –10 °C to +50 °C
• Dimensions: 115 mm × 55 mm × 30 mm
• Weight: 150 g (including internal battery)

How It Works

1. Connect the battery clamps to the terminals.
2. Press the single “Start” button – the tester automatically selects the appropriate discharge current.
3. Watch the LCD as it records capacity (mAh) and resistance (Ω) in real time.
4. When the test completes, the final values are displayed and saved for quick reference.

Perfect For

• DIY electronics enthusiasts
• Automotive and marine battery maintenance
• Professional service centers and repair shops
• Renewable‑energy system technicians
• Educational labs teaching battery technology

Upgrade your battery testing routine with the ZB2L3 Capacity & Resistance Meter – the reliable, all‑in‑one solution for accurate, hassle‑free battery diagnostics.