4s BMS 120a LifePo4 with M6 Threaded Terminals

$142.54

  • Comes with M6 Threaded Terminals soldered to the board as shown.
  • BMS For 4 cell, 12v volt Lithium-iron-phosphate DIY batteries
  • 120 amp continuous charge or discharge current
  • Low Temperature Charging cutoff at -1c
  • Fully programmable with IOS app, Android app, or Desktop app
  • User Manual: Click to Download the PDF user manual

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Communications

1 Bluetooth module is included with each BMS.

You may want to add a USB communication module

SKU: 4s120aM6Thread Category:

Description

User Manual: Click here to download the manual (PDF)

3D model: click and drag to rotate, or download the STEP file.

BMS For 4 cell, 12v volt Lithium-iron-phosphate DIY batteries.
120 amp continuous charge or discharge current.
Low Temperature Charging cutoff at -1c.
The Apps allow you to monitor SOC (state of charge), Current, Voltage, cell balance, temperature, and more.

Bluetooth Module is included, Balance wires are included, USB module is an additional purchase.
Fully programmable.

Final assembly, testing and calibration is done in Naples, Florida. Units with 8 gauge wires and/or crimped lugs are assembled in Naples,  FL. The BMS is manufactured in China.

To view or change Parameters, there are 3 ways to connect to the BMS.
1. Bluetooth module to IOS app. IOS app is on the Apple app store. Overkill Solar Mobile App
2. Bluetooth module to Android app. (download this version, don’t get it from the play store)
3. USB module to PC/desktop application. This application is free

Click here for Software Downloads and Support Resources.

A great resource for general DIY power education is www.Mobile-Solarpower.com

FYI for experimenters: The BMS communicates with a 5v TTL UART at 9600 baud. It is directly compatible with Arduinos, etc.
We have written a new Arduino library for the BMSs, now available on the downloads page. The beta version allows you to read all the monitoring parameters and switch charge and discharge on/off. Future releases will have full read/write capability. A python library is also in the works.

Additional information

Weight 1 lbs
Dimensions 6 × 4 × 1 in
Wire Size:

10 gauge x 12" (discontinued), M6 Threaded Terminals, 8 gauge x 12" (Standard), 8 gauge x 24" (+$22), No wires (-$8)

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