Specifications:
This Parallel XT60 Adapter allows you to connect 2 battery packs in parallel to give longer flight duration and can be cheaper than buying higher capacity batteries
Male Connector: 1 XT60
Female Connector: 2 XT60
Package size: 10 * 10 * 2cm / 4 * 4 * 0.8in
Package weight: 58g / 2.0 oz

Package list:
5 * XT60 Male to 2 Female Parallel Adapter Harness Connector Converter