3.7v Double Battery holders

Secure Dual 3.7V Li‑Cell Holder – Precision‑Packaged 2‑Cell Solution

This double battery holder is engineered for compact, reliable connection of two 3.7‑V Li‑ion or Li‑polymer cells. Designed with spring‑loaded contacts and a snug retaining clip, it ensures low‑contact resistance and eliminates accidental cell reversal or disconnection during high‑drift operations. The holder features a 4‑terminal layout (two for each cell) allowing parallel or series configuration, making it adaptable for higher voltage or current demands without compromising footprint.

• Key Spec 1: Dual 3.7‑V cell compatible – supports 2500–5000 mAh Li‑ion/Li‑poly batteries, 0.3 Ω contact resistance
• Key Spec 2: Current rating up to 5 A burst, 3 A continuous, with integrated thermal cut‑off pins
• Key Spec 3: Secure plastic housing, 30 mm × 10 mm base, screw‑mountable terminals for robust mechanical attachment
• Common Use Case: Ideal for dual‑cell portable power banks, handheld tools, RC car battery packs, and DIY UPS backup systems.