3.7V 7500mAh 18650 Li-ion Battery Pack with ZHR-2P Connector

Power your devices for longer with this robust 3.7V 7500mAh 18650 battery pack. Delivering 27.75Wh of energy, this rechargeable lithium battery features a built-in protection circuit for enhanced safety. With a compact footprint (68.5mm x 56.5mm x 19.5mm) and a standard ZHR-2P connector, it is the ideal drop-in replacement for portable electronics requiring reliable, high-capacity power.

Description

Model 18650 – High Capacity Lithium Battery Pack

Voltage: 3.7V | Capacity: 7500mAh (27.75Wh) | Size: 68.5×56.5×19.5mm

   3.7V 7500mAh 18650 battery pack with ZHR-2P connector

Maximize your device’s uptime with this premium 18650 Lithium Battery Pack. Engineered for stability and longevity, this battery utilizes high-quality 18650 cells to provide consistent voltage and extended runtime. The integrated protection circuit actively guards against overcharging, over-discharging and short circuits, ensuring safe operation in demanding environments.

Designed for versatility, the pack comes equipped with durable UL1571 AWG24 wires and a reliable ZHR-2P connector, simplifying installation for both OEM manufacturers and DIY enthusiasts. Whether you are upgrading an older device or building a new project, this 27.75Wh battery offers the perfect balance of size and power density.

High-capacity 18650 lithium battery pack

Technical Specifications

Battery Type Lithium Ion Battery
Part Number 18650
Voltage @ Capacity 3.7V @ 7500mAh (27.75Wh)
Protection Circuit Yes (PCM Included)
Thermistor (NTC) /
Wires UL1571 AWG24 50mm
Connector ZHR-2P
Dimensions (L x W x T) 68.5mm x 56.5mm 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 devices

Core Advantages


  • Extended Runtime: Massive 7500mAh capacity significantly outperforms standard single-cell batteries, reducing recharging frequency.

  • Built-in Safety: Internal PCM prevents damage from voltage spikes, ensuring safety of both battery and connected devices.

  • Compact & Efficient: Maintains a slim 19.5mm profile despite high capacity, fitting easily into tight spaces.

  • Plug-and-Play Design: Pre-installed ZHR-2P connector and 50mm wires enable quick, solder-free installation.

Perfect For Applications

Portable Audio Equipment
Bluetooth speakers, amplifiers and recording devices.
Consumer Electronics
Tablets, e-readers and handheld gaming consoles.
Medical Devices
Portable monitors and diagnostic tools requiring stable 3.7V power.
DIY Projects
Custom power banks, robotics and Arduino/Raspberry Pi projects.
LED Lighting
High-brightness portable lamps and emergency lighting systems.

7500mAh battery pack for outdoor equipment

Customization Services (OEM/ODM)

We understand that every application is unique. Our professional OEM and ODM customization services allow you to tailor this battery to your specific needs:

  • Connector Options: Replace ZHR-2P with JST, Molex, DC plugs or bare wires as required.
  • Wire Length & Gauge: Customize cable length and thickness to fit your internal assembly.
  • Capacity Configuration: Adjust cell arrangement (series/parallel) for different voltage or capacity requirements.
  • Labeling: Add brand logos, barcodes or specific regulatory markings (CE, RoHS, UN38.3) to battery shrink wrap.

18650 battery pack with plug-and-play connector