Etronix Deans Parallel Dual Adaptor Plug ET0855. This is very compact at only 30mm long. There are Two Male connections and one female.
Etronix XT60 Parallel Dual Adaptor Plug ET0854 XT-60 4cm Battery Harness RC
Etronix Deans Charging Cable ET0268
Etronix ET0209 Peak Plus Hyper Delta AC NiMH/LiPo 1/3/5A Charger (Tamiya/Deans)
LKTOP Replacement DJI Mini 4K Battery Charging Hub, Mini 2/SE Fast Charger for DJI Mini4K/Mini2 Series Drone Accessories USB-C Power Adapter, Parallel Charge Dual Batteries, Charging Discharging Mode
TARSHYRY 1 Pair 2 to 1 Solar Panel Y Branch Parallel Cable with Connectors, 0.98FT Weatherproof Solar Adapter Wire for PV System, Dual Male to Single Female Extension
E-Bike Dual Battery Parallel Module 20V-100V Discharge Converter SUK
