SOLVED: I saw the connector of battery on iPhone se and 6 and 6s are the same! - iPhone SE - iFixit
Motherboard Battery Connector Mobile Phone Repair Power Cable Test Repair Tool for iPhone 5 5C 5S SE 6 6P 6S 6SP 7 7P 8 8P X Sale - Banggood USA Mobile-arrival notice
Battery connector / battery pins for iPhone 6s : r/mobilerepair
Replacement for iPhone 6S Plus Battery Connector Port Onboard