Using a flat pack battery with the correct polarity is crucial when utilizing the RAK Meshtastic Starter Kit. The correct polarity ensures that the electrical current flows in the intended direction, preventing potential damage to the device and ensuring optimal functionality. With the RAK Meshtastic Starter Kit, which relies on wireless mesh networking for communication, a properly oriented flat pack battery ensures consistent power delivery, enhancing the reliability of the device in various scenarios.
Moreover, maintaining the correct polarity with a flat pack battery is not just about functionality but also safety. Incorrectly inserted batteries can lead to short circuits or overheating, posing a risk of fire or other hazards. By adhering to the correct polarity guidelines, users can ensure the safe and efficient operation of their RAK Meshtastic Starter Kit, enabling seamless communication and reliable performance in outdoor adventures, emergency situations, or other settings where connectivity is paramount.
Rokland batteries advertised as Meshtastic compatible will have correct polarity. Because other products may require a different polarity, if ordering a battery on a third party site, be sure to check polarity before connecting it to your RAK Meshtastic Starter Kit!
Military and First Responder 
yep… caught that last week on an Ebay XAIN-USA battery purchase. was plugged in for 5 minutes (incorrectly) before I found and fixed the issue (swapped wires on the JST connector). so far (since), all is working well