Streamlight 66607 3.7V 350mah Li-ion Battery

Product Description

The STREAMLIGHT 66607 is a rechargeable lithium-ion replacement battery designed to restore power to compatible Streamlight flashlights and portable lighting equipment. Rated at 3.7 volts and 350 milliamp-hours (mAh), this cylindrical cell features a button tab terminal style for secure contact in the device's battery compartment. At 0.435 pounds and compact dimensions of 0.312 inches diameter by 1.625 inches in length, the 66607 is a direct drop-in replacement intended for field technicians, service pros, and tradespeople who rely on Streamlight tools during active work.

This battery is suited for use in residential and commercial service environments where Streamlight-brand flashlights and lighting accessories are part of the standard toolkit. Typical installation scenarios include routine battery replacement during scheduled equipment maintenance or when a unit no longer holds a charge. The button tab terminal ensures proper polarity alignment and firm seating within the battery bay of the host device.

Key Features

• Rechargeable lithium-ion chemistry for extended cycle life compared to single-use cells
• 3.7-volt nominal voltage with 350 mAh capacity
• Cylindrical form factor with button tab terminal for reliable contact
• Compact dimensions: 0.312 inches diameter by 1.625 inches length
• Sold individually (package quantity of 1)

Compatibility

Designed as an OEM-style replacement lithium-ion battery for compatible Streamlight flashlights and portable lighting devices that accept a 3.7V cylindrical button tab cell.

Installation Notes

Battery replacement on portable lighting equipment should be performed by a qualified technician or knowledgeable end user following the host device manufacturer's instructions. Power off and discharge the device fully before opening the battery compartment. Avoid mixing old and new batteries or different chemistries in multi-cell devices. Dispose of used lithium-ion cells in accordance with local regulations — do not discard in standard household waste.