KONNWEI BK400 Bluetooth Battery Monitor, 3-60V Car Battery Voltage Tester
US$12.00
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by awardsclub.co.uk
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$12.00
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by awardsclub.co.uk
Free 30-day returns Details
Product details
| Management number | 249880742 | Release Date | 2026/09/17 | List Price | US$12.00 | Model Number | 249880742 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- [Bluetooth 5.2 & Smart App Monitoring] – BK400 bluetooth battery monitor connects to your phone via the BK400 App. Check real-time voltage, temperature, battery health status, and receive low power notifications. Supports monitoring up to 6 batteries at the same time, making it easy to manage multiple vehicles or battery systems.
- [3-60V Wide Compatibility] – Works as a 12V battery monitor, 24V battery monitor, and 48V battery monitor. Ideal for car, RV, marine, boat, golf cart, solar, lithium, LiFePO4, and deep cycle batteries. Red clip to positive, black clip to negative for quick installation.
- [Cranking & Charging Test] – This car battery tester automatically tests the cranking system when you start the engine. Normal cranking voltage is above 9.6V; lower voltage may indicate battery aging, low power, or starter fault. It also supports charging test and voltage history graph for battery performance tracking.
- [Real-Time Voltage & Temperature Display] – Use as a battery voltage meter, car voltmeter, or battery gauge. The App shows real-time voltage, battery high/middle/low status, waveform, and temperature, helping you monitor battery performance trends during cranking, charging, and discharging.
- [Find Car & Safe Installation] – The Find Car function shows your vehicle’s last known location and distance, helping you quickly locate your parked car. Built with reverse polarity protection, short-circuit protection, and a built-in circuit breaker for safe use. Compact size fits easily in the engine bay.
| UPC | 781141074883 |
|---|---|
| ASIN | B0H2846PH4 |
| Color | Black |
| Model | BK400 |
| Brand Name | KONNWEI |
| Style Name | Bluetooth Battery Monitor |
| Item Weight | 1.28 ounces |
| Part Number | BK400 |
| Manufacturer | KONNWEI |
| Power Source | Corded Electric |
| Item Highlight | Cranking & Charging Test, Find Car, Temp Monitor, Up to 6 Batteries, Wireless App, 12V 24V 48V Car RV Marine Lithium LiFePO4 |
| Item Dimensions | 2.16 x 1.34 x 0.63 inches |
| Number of Items | 1 |
| Number of Packs | 1 |
| Measurement Type | Battery Capacity, Charge Level, Current, Voltage |
| Specification Met | CE, RoHS |
| Compatible Devices | Apple, Android |
| Included Components | BK400 Battery Tester, User Manual, 3M adhesive |
| Warranty Description | 1 year |
| Upper Temperature Rating | 60 °C |
| Maximum Operating Voltage | 60 volts_of_direct_current |
| Minimum Operating Voltage | 3 volts_of_direct_current |
Bestseller ranking
Pastry Shells
Customers who viewed this product also viewed
Flints & Wicks
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form