A 12V Lithium-Ion Battery Pack with an integrated DC Jack is a pre-assembled, rechargeable energy storage system designed to deliver portable, regulated high-density power. Usually configured in a 3S (3 Cells in Series) setup using standard 18650 cylindrical cells, these packs include an integrated Battery Management System (BMS) to balance cell tracking and prevent over-charging. They are terminated with a standard 5.5mm × 2.1mm DC barrel connector (male or female), making them a true plug-and-play solution for powering Wi-Fi routers during power cuts, 12V CCTV surveillance setups, LED strip segments, and portable robotics rigs.
✨ Key Features
- Integrated Safety BMS Matrix: Shielded internally with a protection circuit board that prevents cell-destroying over-discharge, over-voltage spikes, and short circuits.
- Universal DC Barrel Jack Link: Outfitted with an industry-standard 5.5mm × 2.1mm DC plug housing for seamless inline pairing with electronics without any wire splicing.Â
- Stable High-Density Energy Rail: Delivers a highly efficient runtime window and lower weight profile than traditional sealed lead-acid (SLA) power batteries.Â
- Rugged Heavy Heat-Shrink Enclosure: Wrapped tightly in a durable PVC flame-retardant outer layer to insulate the internal cells against moisture or short circuits.
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