Product Overview
Elevate your battery testing experience with the 1S‑7S 3.7V‑29.4V 18650 Li‑Ion/Li‑Po Battery Level Indicator Tester. Designed for hobbyists, RC enthusiasts, and professionals, this compact meter delivers instant, accurate readings on voltage, capacity, and remaining charge for 12V Li‑Ion packs. Its versatile 1‑to‑7S compatibility ensures you can test any series configuration from a single cell up to a full 7‑cell pack.
Key Features
- ✔️ Wide Voltage Range: 3.7V to 29.4V – covers 1S to 7S Li‑Ion/Li‑Po packs
- ✔️ Dual Display: OLED screen shows voltage, capacity, and percentage at a glance
- ✔️ Fast Charging Indicator: Real‑time charge status for quick decisions
- ✔️ Durable Construction: Shock‑resistant casing protects against drops and vibration
- ✔️ Battery‑Powered: Built‑in rechargeable battery with USB‑C charging for on‑the‑go testing
- ✔️ Compact & Portable: Fits easily into tool bags, backpacks, or even pockets
- ✔️ Easy Setup: Plug‑and‑play – no software or drivers required
- ✔️ Safety First: Built‑in over‑current protection and short‑circuit guard
Specifications
• Input Voltage: 3.7V – 29.4V (1S‑7S)
• Display: 0.96” OLED, 128×64 pixels
• Power: Rechargeable Li‑Ion battery, USB‑C charging
• Dimensions: 70mm × 30mm × 20mm
• Weight: 45g
• Connectivity: USB‑C (charging only)
• Operating Temperature: –10°C to 50°C
• Warranty: 12‑month limited warranty
Why Choose This Tester?
Whether you’re a DIY RC builder, a professional battery technician, or a hobbyist exploring new projects, this tester gives you the confidence to manage your Li‑Ion and Li‑Po packs safely and efficiently. Its instant readouts, robust build, and broad compatibility make it the ideal companion for anyone who demands precision and reliability in battery management.
Price: Original price was: $ 5.70.$ 1.77Current price is: $ 1.77.

