Brand: Happymodel, Item Name: F4 1S Flight Controller AIO ESC VTX Receiver Board, Model: DiamondF4.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
HappyModel SE0802 0802 16000KV 19000KV 25000KV 1-2S Brushless Motor 1mm | $7.37 | – |
Click here to search by yourself. Here are coupons that you can use.
Updated: 31-07-2025
Banggood
Warehouse in China.
Link: Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons:
1. First page
2. Second page
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A is here. The lowest price was: $63.47.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
.![Price history for Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A [EU]](https://couponsfromchina.com/pricehistory/History36854.png "Happymodel DiamondF4 ELRS FrSky F4 1S Flight Controller 5A [EU] price history")