2PCS 2 Slot 18650 Battery Holder Series Connected with 5.5x2.1mm DC Connector and On Off Switch Battery Case with Cover for DIY Project Power Supply Electronic Device Powering Black

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US$3.20

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US$3.20

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Management number	250100442	Release Date	2026/09/17	List Price	US$3.20	Model Number	250100442
Category	Electronics Household Batteries, Chargers & Accessories Battery Holders

Specifications: 2 x 18650 lithium-ion batteries (batteries not included) Quantity: 2

Two 18650 lithium batteries connected in series, providing a stable 7.4V output. Features a standard 5.5x2.1mm DC plug for universal compatibility, making it ideal for DIY projects and powering electronic devices.
Features a highly elastic nickel-plated spring clip that securely holds the battery in place, ensuring stable contact, low resistance, and rust-free durability.
Equipped with a dust-proof cover and an independent switch for safer one-touch power cutoff, effectively preventing short circuits and accidental power-on.
Tool-free installation and removal for quick and efficient battery replacement without damaging the battery case or other components.
Package Contents: 2 x 2-cell series 18650 battery cases (batteries not included)