PNC1141
3.65V 3.5Ah

Premium Standard Battery Pack

High Performance

Safe & Reliable

Built for Industries

PNC1141
The PNC1141/EMP01 3.65V 3.5Ah Small Cylindrical Battery Pack is a compact rechargeable power solution engineered for handheld electronics, portable medical devices, smart instruments, and OEM applications where space and reliability are critical. Built with premium 18650 Li-Ion cells and a compact dual-protection BMS, it delivers stable power output, fast charging capability, high energy density, and dependable long-term performance in a lightweight cylindrical form factor.
✓ High energy density, fully certified cylindrical cell options
✓ Up to 3.4A power capability
✓ Support 3.4A fast charging
✓ 800+ cycle life
✓ Highly cost-effective BMS
Steady supply in China

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 – PHD N18650 35V
ChemistryNMC
Form Factor18650
Nominal Voltage3.65V
Capacity3.5Ah
Charging3.4A
Discharging10.2A
Cycle Life800
Pack Spec – PNC1141/EMP01 3.65V 3.5Ah
Configuration1S1P
Dimensions19*22.5*68.5mm
Charging3400mA
Discharging3400mA
Peak Current4000mA≤1S
Communication/
Cable/
Weight52.5g
CasePVC
Mechanical Dimensions
Length19 mm
Width22.5 mm
Height68.5 mm
Weight52.5g
PNC1141 Dimensions Image

Advanced BMS Architecture

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

PNC1141 Standard Battery Pack Schematic
Chinese solution IC with dual level protection
Ultra low power PCBA

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.
UL1642
UL-certified lithium battery cell safety for reliable and secure operation.
UL2054
UL safety certification for complete 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.