KH Series 120 V Bluetooth Battery Coulomb & Capacity Monitor | 100 A-600 A
KH Series 120 V Bluetooth Battery Coulomb & Capacity Monitor | 100 A-600 A - Kh110f-120v-100a Free standard shipping to supported destinations. See the shipping policy for preparation and transit estimates.
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Shipping & returns
Shipping & returns
Free standard shipping is available to supported destinations. Delivery time includes order preparation and transit and varies by destination. See our shipping policy for current delivery estimates and availability.
See our return policy for return conditions. For an order-specific delivery question, contact Mcooh.
KH Series 120 V Bluetooth Battery Coulomb & Capacity Monitor | 100 A-600 A - Kh110f-120v-100a Free standard shipping to supported destinations. See the shipping policy for preparation and transit estimates.
Choosing the right instrument?
Tell us your measurement range, material or target, and operating conditions.
Description
Description
See Your Battery’s True State-of-Charge—Anywhere
The KH Series Bluetooth Battery Coulomb Meter delivers laboratory-grade Amp-hour (Ah) & Watt-hour (Wh) tracking for any 0-120 V battery bank. View data on the 2.4″ HD color screen or in the free mobile app—complete with real-time curves and exportable history.
Key Advantages
- 📊 Comprehensive Metrics — Voltage, current, power, capacity %, elapsed time & temperature updated every 1 s.
- 📱 Bluetooth App Control (10 m) — Rename devices, set alarms & download logs to CSV for analysis.
- ⚡ High-Current Options — Choose 100 A, 400 A or 600 A pure-copper shunt versions.
- 🔒 Multi-level Protection — Over-/under-voltage, over-current, over-temperature with user-defined recovery delays.
- 🔌 Wide Chemistry Support — Lead-acid, LiFePO4, NCM, LTO & custom packs.
- 🛠️ Open RS-485 Protocol — Integrate up to 99 meters into PLC, BMS or Home-Assistant projects.
- 🌙 Ultra-Low Standby 0.4 W — Won’t drain seasonal batteries.
Where It Excels
- RV & camper van solar systems
- Off-grid cabin / boat house energy storage
- Golf carts, e-bikes & small EV conversions
- Forklifts & warehouse AGVs
- Marine house battery banks & trolling motors
- DIY powerwalls / server-rack LiFePO4 projects
Technical Specifications
| Model | KH110F | KH140F | KH160F |
|---|---|---|---|
| Current Range | 0-100 A | 0-400 A | 0-600 A |
| Voltage Range (ext. supply) | 0-120 V | ||
| Voltage Range (self-powered) | 10-120 V | ||
| Accuracy | ±1 % FS | ||
| Sampling Rate | 1 Hz | ||
| Comms | Bluetooth 4.2 + RS-485 (open protocol) | ||
| Standby Draw | < 0.4 W | ||
| Operating Temp | -20 – 50 ℃ | ||
What’s In the Box?
- Display module ×1
- Shunt & measuring module ×1
- Sampler & cables (5 m) ×1 set
- External temperature probe ×1
- User manual & open-source protocol sheet ×1
FAQs
Does it work with 48 V LiFePO4 packs?
Yes—any battery between 10-120 V is supported. Simply enter the rated capacity in the app.
How do I reset Amp-hour counting?
Hold the OK button for 3 s or tap “Clear Data” in the app dashboard.
Can I view data in Home-Assistant?
Absolutely. Use the open RS-485 protocol or a Bluetooth BLE MQTT bridge to stream live values.







