🔋 In this video we unbox and test the FNIRSI HRM‑10 Battery Voltage Internal Resistance Tester — one of the most advanced battery testing tools available! This handheld device can accurately measure both battery voltage and internal resistance using a true 4-wire Kelvin method for high precision. It’s packed with features like battery sorting, history records, Excel export, and firmware upgrades — making it ideal for hobbyists, technicians, and engineers alike.
📊 Key Specifications
• Voltage Measuring Range: 0 ~ ±100 V DC
• Resistance Measuring Range: 0 ~ 200 Ω (ranges Auto / 20 mΩ / 200 mΩ / 2 Ω / 20 Ω / 200 Ω)
• Voltage Gear: Auto, 1 V, 10 V, 100 V
• Accuracy: ±0.5%
• Signal Frequency: AC ~1 kHz
• Display: Color HD screen
• Data Logging: Supports history records & Excel export
• Power: Built-in 1000 mAh rechargeable battery, USB-C charging (5V/1A)
• Size: 158.7 × 80.5 × 28.4 mm
• Weight: ~225 g
• Sort Mode: View and batch compare up to 8 sets of voltage & resistance readings
• Firmware Upgrade: Supported via USB connection
(Technical specs based on official listings and reseller info)
📍 What We Cover in This Video
00:00 Intro Screen
00:39 Introduction – Why HRM-10 stands out 🔋
01:24 Unboxing – What’s inside + extra probes we bought 🧰
02:15 Look & Design – Build, display & buttons ✨
04:03 Turn On & Interface – Navigate the menus 📱
09:16 Battery Testing – Voltage & IR tests on various cells 💪
18:29 Sorting Batteries – Batch sorting + Pass/Fail mode ✔️❌
21:46 Internal Resistance Accuracy – Precision testing 🔍
22:58 Maximum Resistance Range – Testing up to high resistance limits ⚙️
23:25 Voltage Accuracy – Confirm 4-decimal precision 🧠
24:31 Capacitor ESR – ESR test on caps 🔌
25:10 Measurement Signal (Oscilloscope) – ~1 kHz, ~2 Vpp signal 📈
25:48 Charging – Charging behavior & battery life ⚡
26:07 Firmware Upgrade – Updating features 🔄
27:40 Conclusion – Verdict & value 🏆
📦 What We Do in This Video
👉 We unbox the tester and the two extra cylindrical battery probes (bought separately)
👉 Go through the menu & interface
👉 Test voltage & internal resistance accuracy
👉 Sort a batch of batteries and view the history on the unit
👉 Export Excel data tables of stored measurements
👉 Peek at the measurement signal on an oscilloscope
👉 Cover firmware upgrade steps
👉 Share final thoughts — great value at ~₹5 K with only a few small cons like the need for extra probes for long cells 📊
⚡ Final Verdict
A versatile and precise tester that’s worth buying in its price range — better than many alternatives. It handles everything from car batteries to AA/AAA cells and supports powerful features like sorting, history logging, and export with excellent accuracy. 🔥
👇Link to Buy: https://amzn.to/3Nx4cIW
### Recording Gear
**Camera:** Sony Alpha A6600 & Sony ZV E10
**Mic:** Rode Video Mic Pro Plus / Zoom H5 Recorder with SSH-6 capsule
**Editing:** Vegas Pro 365
**Laptop:**Zenbook Pro Duos
**Tripod:** Harison Bahubali
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