# Battery Charger for Starling 2 Max

Source: https://forum.modalai.com/topic/3906/battery-charger-for-starling-2-max
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2024-11-04 20:17:17 UTC by vamsi
Replies: 4 · Views: 1222

## vamsi · 2024-11-04 20:17:17 UTC

HI Team, 

I have purchased the recommended charger for the Starling 2 max -> https://www.amazon.com/ISDT-Q6-Nano-Charger-Discharger/dp/B09VRVPHW8/, and when I try to change my battery, it shows the operation is not supported. I am attaching the images for the reference. can you please help me with this issue

![WhatsApp Image 2024-11-04 at 14.12.20 (1).jpeg](https://forum.modalai.com/assets/uploads/files/1730751178161-whatsapp-image-2024-11-04-at-14.12.20-1.jpeg) 
The above are my connections.

I tried to start the charge task with the below settings
![WhatsApp Image 2024-11-04 at 14.12.20.jpeg](https://forum.modalai.com/assets/uploads/files/1730751333691-whatsapp-image-2024-11-04-at-14.12.20.jpeg) 

But I am getting this issue
![WhatsApp Image 2024-11-04 at 14.12.11.jpeg](https://forum.modalai.com/assets/uploads/files/1730751398041-whatsapp-image-2024-11-04-at-14.12.11.jpeg)

## Reply by tom (ModalAI staff) · 2024-11-05 01:10:06 UTC

@vamsi I highly recommend reading the user manual for the battery charger: https://www.isdt.co/down/pdf/Q6nano_EN.pdf

You should only be charging one battery at a time, what you're trying to do is not possible.

The XT30 connector needs to be plugged in to the "Battery" connector on the charger with only a single 2s battery connected to the balance lead input. You'll also want to configure the settings accordingly (2s not 4s)

## Reply by Zachary Lowell 0 · 2024-11-05 15:41:12 UTC

@vamsi this is EXTREMELY dangerous please do not do this - you will without a doubt either overcharge or lose a cell if you charge like this - and will without a doubt lead to a very large fire. This charger does NOT support two battery charging.

## Reply by vamsi · 2024-11-05 17:14:33 UTC (in reply to tom)

@tom Thank you for the response I now know what the issue is I will just connect a single battery, use 2s in the settings, and use an XT30 to XT60 converter to connect my XT30 to the "Battery" on the charger.

## Reply by vamsi · 2024-11-05 17:17:07 UTC (in reply to Zachary Lowell 0)

@Zachary-Lowell-0 Thank you for letting me know. this is my first time working with a multi-cell battery and a smart charger. I will be careful not to connect multiple batteries at the same time.