3.7V 5000mAh 18650 Li-ion Battery Pack with ZHR-2P Connector

Upgrade your device’s power with this 3.7V 5000mAh 18650 battery pack. Delivering 18.5Wh of high-density energy, this rechargeable battery features an integrated protection circuit for safety and a standard ZHR-2P connector for easy installation. Its compact, flat design (68.5mm x 38.5mm x 19.5mm) makes it the perfect replacement or upgrade for consumer electronics and DIY projects requiring long-lasting power.

Description

Model 18650 – High Capacity Lithium Battery Pack

Voltage: 3.7V | Capacity: 5000mAh (18.5Wh) | Size: 68.5×38.5×19.5mm

3.7V 5000mAh 18650 battery pack with ZHR-2P connector

Engineered for superior runtime, this 18650 Lithium Battery Pack combines high capacity with reliable performance. The internal protection circuit safeguards the cells against overcharging, over-discharging and short circuits, ensuring a long service life.

Equipped with high-quality UL1571 AWG24 wires and a ZHR-2P connector, this battery is ready for direct integration into your devices. Whether you are powering portable audio equipment or upgrading an older gadget, this 18.5Wh power source provides the stability and endurance you need.

High-capacity 18650 lithium battery pack

Technical Specifications

Battery Type Lithium Ion Battery
Part Number 18650
Voltage @ Capacity 3.7V @ 5000mAh (18.5Wh)
Protection Circuit Yes (PCM Included)
Thermistor (NTC) /
Wires UL1571 AWG24 50mm
Connector ZHR-2P
Dimensions (L x W x T) 68.5mm x 38.5mm x 19.5mm
Charge Current 0.2C to 0.5C (Standard Charge)
Discharge Current 0.5C to 1.0C (Continuous)
Storage Temperature -20°C to +60°C

Rechargeable Li-ion battery for portable electronics

Core Advantages


  • Ultra-High Capacity: 5000mAh (18.5Wh) offers significantly longer runtimes compared to standard single-cell batteries.

  • Enhanced Safety: Built-in protection circuit prevents damage from voltage spikes and short circuits.

  • Plug-and-Play Design: Pre-installed ZHR-2P connector and 50mm wires simplify the installation process.

  • Space-Efficient: Flat rectangular form factor fits easily into slim device compartments.

Perfect For Applications

Portable Audio
Bluetooth speakers, headphones and amplifiers.
Smart Home Devices
Wireless sensors and portable hubs.
DIY Projects
Custom power banks and electronics prototyping.

5000mAh battery pack for outdoor gear

Customization Services (OEM/ODM)

We understand that every application is unique. We offer professional OEM and ODM customization to tailor this 18650 battery pack to your specific needs:

  • Connector Options: Replace ZHR-2P with JST, Molex or bare wires as required.
  • Voltage & Capacity: Custom configurations available by adjusting cell arrangements.
  • Casing: Options for shrink wrap, plastic casing or custom branding labels.
  • Wire Length: Adjustable wire lengths to fit your internal assembly layout.

18650 battery pack with plug-and-play connector