3.7V 2500mAh 18650 Li-ion Battery with XH2.54-2P Connector & Protection Circuit – Ideal for Fishing Lights

Description

Product Overview
This high‑capacity 2500mAh rechargeable lithium‑ion battery is designed as a reliable power solution for fishing lights, camping lamps, and various portable devices. Equipped with a pre‑soldered XH2.54‑2P (2.54mm pitch, 2‑pin) connector, it offers hassle‑free installation – simply plug and play. The battery features built‑in protection circuitry to safeguard against overcharge, over‑discharge, short circuit, and overcurrent, ensuring safe operation in outdoor and everyday use.

Specifications

Note: If your battery uses a specific cell type (e.g., 18650 or prismatic), please verify dimensions before ordering. Typical 18650 size: ~18×65mm; polymer sizes vary.

Key Features

• High capacity – 2500mAh ensures long runtime for fishing lights and other power‑hungry gadgets.

• Safe & durable – Integrated protection circuit prevents damage from abnormal voltage or current.

• Easy connection – XH2.54‑2P plug is widely used in DIY projects, Arduino, and small appliances.

• Versatile – Works as a direct replacement or upgrade for many battery‑operated devices.

• Pre‑tested – Each unit is fully charged and capacity‑tested before shipping.

Compatible Applications

• Fishing lights / underwater lamps

• Camping lanterns and LED strips

• Portable fans, Bluetooth speakers

• Sensor nodes, robotics, and hobbyist projects

• Backup power for small electronics

Package Includes

• 1 × 3.7V 2500mAh Li-ion battery with XH2.54‑2P connector and protection board

Safety & Usage Instructions

• Use only with a dedicated Li‑ion charger (CC/CV, 4.2V cutoff).

• Do not short‑circuit the positive and negative terminals.

• Avoid exposing the battery to extreme heat, water, or mechanical impact.

• If the battery becomes swollen or damaged, discontinue use immediately.