7.4V Rechargeable 18650 Bike Light Battery Pack – Portable DC Power Supply

Power your bike lights and portable 7.4V–8.4V devices with this compact rechargeable lithium-ion battery pack. Designed with a durable Velcro mounting pouch and long 1.5 meter output cable, this portable power bank is ideal for bike lights, LED lighting, portable fans, CCTV systems, and other compatible DC devices.

Built using a 4×18650 battery configuration (2S2P layout), this battery pack delivers stable and reliable portable power while remaining lightweight and easy to carry.

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Key Features

✔ Rechargeable 7.4V Lithium-Ion Battery Pack
✔ 4×18650 Battery Configuration (2S2P)
✔ 8.4V Max Output When Fully Charged
✔ Durable Water-Resistant Fabric Pouch
✔ Strong Adjustable Velcro Mounting Straps
✔ Long 1.5 Meter Output Cable
✔ Female DC Output Connector
✔ Lightweight & Portable Design
✔ Ideal For Outdoor & Bike Use
✔ Stable & Reliable Power Output

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Compatible With

Suitable for devices using compatible DC male plugs including:

• Bike Lights
• LED Bicycle Headlights
• Portable Fans
• CCTV Cameras
• LED Strip Lights
• DIY Electronics
• Camping Lights
• Portable DC Devices

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Charger Option Available

Variation listing includes optional:

✔ 12V 1A UK Plug Power Supply Charger
✔ 1 Meter Charger Cable
✔ Safe & Stable Charging

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Battery Configuration

• Battery Type: 18650 Li-ion
• Configuration: 2S2P
• Nominal Voltage: 7.4V
• Max Voltage: 8.4V
• Output Connector: Female DC Barrel
• Cable Length: Approx. 1.5 Meter

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Package Includes

Depending on variation selected:

• 1× Rechargeable Battery Pack
• Optional UK Plug Charger
• Integrated DC Output Cable

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Notes

• Suitable charger required for charging
• For compatible DC devices only
• Please check voltage compatibility before use
• Indoor charging recommended
• Do not short-circuit or puncture battery pack