S-Version 300mAh 3S battery is a special release for Beta75X Frame, which is suitable for Beta75X 3S and Beta75X HD. S-version becomes slimmer compared to R-version that means you can use it directly instead of cutting out sticks like the original one.
1. How to maximize battery life? Please check this article.
Note: 1. Some countries are not available to ship battery only without purchasing of whoop drone. 2. The ETA of battery parcel is slower than the parcel that excludes batteries. Please take a look at our Shipping Information Page.