KG Series Bluetooth Battery Monitor 0-120 V | Coulomb & Capacity Meter 100 A-600 A
KG Series Bluetooth Battery Monitor 0-120 V | Coulomb & Capacity Meter 100 A-600 A - Kg110f-120v-100a Free standard shipping to supported destinations. See the shipping policy for preparation and transit estimates.
Need help choosing? Tell us what you need to measure.
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.
KG Series Bluetooth Battery Monitor 0-120 V | Coulomb & Capacity Meter 100 A-600 A - Kg110f-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
Know Your Battery’s Real Capacity—In Seconds
The KG Series Bluetooth Battery Coulomb Meter (models KG110F 100 A, KG140F 400 A & KG160F 600 A) delivers laboratory-grade Amp-hour and Watt-hour tracking for any 0-120 V battery bank. Check live data on the 2.4″ color LCD or in the free Android/iOS app—complete with exportable history curves.
Key Advantages
- 📊 All-In-One Metrics — Voltage, current, power, capacity %, elapsed time & temperature updated every second.
- 📱 10 m Bluetooth App — Rename devices, download CSV logs & push OTA firmware upgrades.
- ⚡ High-Current Shunts — Pure-copper shunts for 100 A / 400 A / 600 A continuous loads.
- 🛡️ Custom Protection — Adjustable over-/under-voltage, bidirectional over-current & over-temperature (external relay).
- 🔌 Wide Chemistry Support — Lead-acid, LiFePO4, NCM, LTO & custom packs.
- 🔄 RS-485 Open Protocol — Integrate up to 99 meters with PLC, BMS or Home-Assistant.
- 🌙 Ultra-Low Standby 0.4 W — Won’t drain seasonal battery banks.
Perfect For
- 🏕️ RV / camper-van solar systems
- 🔋 Off-grid cabin & backyard powerwalls
- 🚢 Marine house batteries & trolling motors
- 🚜 Forklifts, AGVs & warehouse tuggers
- ⚡ DIY EV & golf-cart conversions
Technical Specifications
| Parameter | KG110F | KG140F | KG160F |
|---|---|---|---|
| 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 | ||
| Voltage Resolution | 0.01 V | ||
| Current Resolution | 0.01 A | 0.1 A | 0.1 A |
| Sampling Rate | 1 Hz | ||
| Accuracy (V/I) | ±2 % FS / ±5 % FS | ||
| Bluetooth Distance | ≈10 m (BLE 4.2) | ||
| Standby Consumption | ≤0.4 W (module) / 0.5 W (display) | ||
| Operating Temp. | -20 ℃ – +50 ℃ | ||
What’s in the Box?
- Display module ×1
- Measuring module & copper shunt ×1
- 3 m communication cable & wiring harness
- External temperature probe ×1
- Mounting plate, screws & spacers
- User manual + RS-485 protocol sheet
FAQs
Does it support 48 V LiFePO4 banks?
Yes—any pack between 10 V and 120 V is supported. Enter your rated capacity in the app for accurate %SOC.
How do I reset Amp-hour counters?
Hold the OK key for 3 seconds or tap “Clear Data” in the app.
Can I log data in Home-Assistant?
Absolutely. Use the RS-485 Modbus protocol or a BLE-MQTT bridge to stream live values.
