Found 4 alternatives for BH-20H-1T by MPD (Memory Protection Devices). Battery Holders Clips Contacts — Tape & Reel (TR),Cut Tape (CT).
BATT RETAINER COIN 23MM 1CEL SMD
BATT RETAIN COIN 24.5MM 1CEL SMD
BATT HOLDER CR123A 1 CELL SMD
BATT HOLDER 2/3A 1 CELL SMD