12S Battery Monitoring Board [Discontinued]

$65.00 – $70.00

Due to the potential hazards and liabilities associated with battery systems, this product is not currently offered for sale. We apologize for the inconvenience and will continue to evaluate producing battery monitoring systems in the future.

This hardware and software design files for this board (along with all products at four-forty) are open-source and will remain available as a service to customers and the DIY community. Please see our About page for details.

Please note! These designs are not rated or qualified to be safe, and relying on them is done at entirely your own risk. These designs may contain errors or bugs, and we cannot be held liable for the damages or consequences.  Please read our terms and conditions for more information and above all, use caution and common sense.

The 12S battery monitoring board acts as an smart interface between you and your rechargeable battery pack. Compatible with all Li-ion based chemistries and cell types, it allows you to measure voltages, sample temperatures, and perform bleed-balancing on cells – all over an isolated digital connection. This design is for monitoring purposes only and is designed to work in conjunction with custom battery management systems.

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SKU: 008 Category: Tags: , , , , ,

Description

Features:

  • Fully open-source design and firmware, with pre-loaded Arduino-compatible bootloader
  • Hardware alert line with programmable limit values
  • UART and I2C communication busses, capable of streaming data and on-the-fly parameter programming
  • Two integrated 100k thermistor inputs per board for pack temperature monitoring
  • Built-in 60mA cell bleed balancing capability, with programmable modes
  • Built-in chip temperature monitoring, to prevent overheat during balancing
  • Isolated operation up to 360V and expandable s-count up to 72S, permitting connection to low voltage systems*
  • Watchdog timers to ensure reliable operation and balance shutdown during communication failure
  • Detailed documentation and user guide

For more information, check out the documentation below:

*Isolation ratings represent the rated values of onboard isolation components. This product is not independently tested to meet isolation specifications, and may exceed the ratings of isolated components at higher s-counts.

 

Additional information

Weight 14 g
Dimensions 88.39 x 40.64 x 8.63 mm
Thermistors

QTY 2 100cm glass bead tipped thermistors with connectors, No thermistors included

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