PNC2141
7.3V 3500mAh

Premium Standard Battery Pack

High Performance

Safe & Reliable

Built for Industries

Blue rechargeable Li-ion battery pack with red, black, and yellow wires ending in a small white connector on the left side.
The PNC2141 7.3V 3500mAh Premium Cylindrical Battery Pack is a compact, high-performance rechargeable battery engineered for portable electronics, medical devices, industrial equipment, and OEM applications requiring dependable 7.2V-class power. Built with premium 18650 NCM cells and an advanced multi-layer Battery Management System, it delivers balanced power output, rapid charging capability, robust safety protection, and reliable long-cycle performance across a wide range of operating conditions.
✓ Long Cycle Life
✓ Wide Operating Temperature Range
✓ Compact & Lightweight Design
✓ Compliant with Key Safety Standards
✓ Balanced Performance

Premium Quality

Engineered with advanced battery technology and strict quality standards for reliable, long-lasting performance

Battery Support

Expert engineering and technical support from concept and prototyping to manufacturing and integration

Custom Solutions

Capacity, connector, wire length, and labeling fully customizable. OEM branding and custom spec engineering available.

Global Battery Manufacturing

Worldwide battery manufacturing capabilities with facilities and support networks across the USA and Asia

Cell Spec – INR18650/35V
ChemistryNCM
Form Factor18650
Nominal Voltage3.65V
Capacity3500mAh
Charging Standard: 0.68A
Rapid: 1.7A
Discharging Standard: 0.68A
Rapid: 10.2A
Cycle Life800 cycles ≥70%
Pack Spec – PNC2141 7.3V 3500mAh
Configuration2S1P
Dimensions70.5*38.5*19.5mm
Charging Standard: 0.68A
Max: 3.4A
Discharging Standard: 0.68A
Max: 5.8A
Max Current3.4A
ConnectorJST-PHR-3
Weight100g
CasePVC
Physical Dimensions
Length70.5 mm
Width38.5 mm
Height19.5 mm
Wire Length100 mm
ConnectorJST-PHR-3
PNC2141 Standard Battery Pack Dimensions

Advanced BMS Architecture

The integrated Battery Management System is designed to maximize safety, longevity, and system integration ease.

Multi-Layer Protection
Rapid Short-Circuit Response
Ultra-Low Power Consumption
Robust Component Design
Wide Operational Robustness

Safety & Compliance

Our products are tested and certified for safe transport and end-use, meeting international standards for lithium-ion battery packs used in commercial and industrial applications.

UN38.3
Certified for safe international transportation of lithium batteries by air, sea, and land.
IEC62133
Internationally recognized safety standard for rechargeable lithium battery cells and packs.
REACH
EU regulation ensuring the safe use of chemicals by restricting substances of very high concern (SVHCs) and promoting compliance throughout the supply chain
RoHS
European environmental compliance standard restricting hazardous substances in battery packs and battery systems.

Battery Pack Product FAQs

custom battery products

Explore frequently asked questions about PHD Energy’s battery pack products, including chemistry options, customization capabilities, safety features, certifications, and industrial application support.

Our battery pack products are available in multiple chemistries including Li-Ion, LiFePO4 (LFP), LTO, and Sodium-Ion, allowing solutions tailored for energy density, safety, cycle life, and application requirements.

Yes. PHD Energy designs custom battery pack products with configurable voltage, capacity, dimensions, BMS functionality, connectors, and enclosure options to meet OEM and industrial application requirements.

Our battery pack products support a wide range of applications including robotics, medical devices, drones, IoT systems, energy storage, portable electronics, industrial equipment, and mobility solutions.

Yes. Many of our battery pack products include advanced Battery Management Systems (BMS) with protections for overcharge, over-discharge, overcurrent, short circuit, and temperature monitoring for enhanced safety and reliability.

 

Submit your RFQ

What Happens Next

Submit your requirements and a PHD Energy engineer will contact you within 1 business day.

Share application, specs, volume, and timeline.

Our team evaluates your needs and prepares a tailored recommendation.

Get a detailed proposal including design options, pricing, and lead times.

We build, test, and refine until your solution is field-ready.