3.7v Single Battery Holder

Compact 3.7V Single Battery Holder for 18650 & 16550 Lithium Cells

This precision‑crafted holder is engineered for 3.7 V Li‑ion and Li‑Po cells such as 18650, 16550, and 14500. It features a rugged, recessed mounting cavity that keeps the cell centered and secure, while the low‑resistance spring contacts provide reliable power delivery up to 3 A continuous. Designed for both prototyping and final products, the holder supports hot‑swap operation and can be mounted on panels or boards via screw or snap‑in posts.

The package includes a 1.5 mm adjustable clearance to accommodate a range of cell sizes and a built‑in protection diode that shields the load from reverse polarity. Its minimal profile reduces weight and volume, making it ideal for wearable gadgets, portable chargers, and IoT projects where space is at a premium.

• Key Spec 1: Fits 18650, 16550, 14500 Li‑ion/Li‑Po cells; mounting depth 38 mm.
• Key Spec 2: Gold‑plated contacts, <1.5 Ω contact resistance.
• Key Spec 3: Three‑axis mounting with 1 mm tolerance, includes reverse‑polarity protection diode.
• Common Use Case: Portable power banks, medical devices, and battery‑backed sensors.