3.7V 8400mAh High-Capacity 18650 Battery Pack with NTC Thermistor

Premium 3.7V 8400mAh rechargeable battery pack delivering 31.08Wh of high-density energy. This robust power solution features integrated safety protection and an NTC thermistor for precise temperature monitoring. Housed in a compact, flat form factor (68.5mm x 56.5mm x 19.5mm) and equipped with a ZHR-3P connector, it is engineered for long-lasting performance in demanding portable applications.

Description

Model 18650 – Ultra-High Capacity Lithium Battery Pack with NTC

Voltage: 3.7V | Capacity: 8400mAh (31.08Wh) | Size: 68.5×56.5×19.5mm

 Lithium battery pack for drones and unmanned aerial vehicles

Engineered for extended runtime and superior reliability, this 18650 Lithium Battery Pack is a high-performance power source for advanced electronic devices. By combining multiple high-quality 18650 cells, this pack achieves a massive 8400mAh capacity, significantly reducing the need for frequent recharging.

Safety is paramount; the unit comes pre-installed with a sophisticated Protection Circuit Module (PCM) to guard against over-current, over-voltage and short circuits. Furthermore, the inclusion of an NTC Thermistor allows your device to monitor internal temperature in real-time, ensuring safe operation even under heavy loads. The durable UL1571 AWG24 wires and secure ZHR-3P connector ensure stable power transmission and easy integration.

Lithium battery for smart home devices and IoT sensors

Technical Specifications

Battery Type Lithium Ion Battery
Part Number 18650
Voltage @ Capacity 3.7V @ 8400mAh (31.08Wh)
Protection Circuit Yes (PCM Included)
Thermistor (NTC) Yes
Wires UL1571 AWG24 70mm
Connector ZHR-3P
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

Lithium battery for portable electronics and outdoor gear

Core Advantages


  • Ultra-High Capacity: 8400mAh (31.08Wh) offers exceptional longevity for power-hungry devices requiring all-day operation.

  • Advanced Safety System: Comprehensive PCM and NTC temperature sensor prevent overheating and electrical damage.

  • Space-Efficient Design: Flat rectangular form factor fits neatly into compact enclosures despite high capacity.

  • Reliable Connectivity: Pre-wired with locking ZHR-3P connector that resists vibration and accidental disconnection.

Perfect For Applications

Portable Medical Devices
Infusion pumps, portable monitors and diagnostic tools requiring NTC monitoring.
Industrial Handhelds
Barcode scanners, data loggers and rugged industrial tablets.
Consumer Electronics
High-end portable audio equipment, GPS units and smart home hubs.
LED Lighting Systems
Professional video lights and emergency lighting rigs.

Lithium battery pack for solar street lights and outdoor lighting systems

Customization Services (OEM/ODM)

We understand that every project is unique. We offer extensive OEM and ODM customization services to tailor this battery pack to your specific requirements:

  • Connector Options: Replace standard ZHR-3P with JST, Molex or custom wire harnesses.
  • Wire Length & Gauge: Adjustable wire lengths and types (UL1007, UL3302) to fit internal layouts.
  • Capacity Configuration: Adjust cell series/parallel arrangements to modify voltage and capacity.
  • Branding: Custom labeling and shrink-wrap colors to match your brand identity.

Compact and high-capacity lithium batteries power portable electronics and outdoor equipment for on-the-go use.