Introduction

Smart locks are rapidly replacing traditional mechanical locks in residential,
commercial, and industrial environments. As these devices integrate wireless
communication, biometric identification, and cloud connectivity, stable and
long-lasting battery power becomes a critical design factor.

The lithium battery is the core energy source that ensures reliable unlocking
performance and uninterrupted security functions.

Application Background: Power Requirements for Smart Locks

Smart locks are widely used in smart homes, apartments, hotels, office buildings,
and access-controlled facilities. Typical functions include fingerprint recognition,
RFID/NFC, Bluetooth or Wi-Fi communication, motor-driven locking mechanisms,
and standby monitoring.

These functions require a rechargeable battery with high energy density, compact
size, stable discharge, and the ability to handle peak current during motor operation.
A 3.7V 6000mAh Li-ion battery with dimensions of
72 × 44 × 22 mm is an ideal solution for this application.

PKNERGY-Based Battery Solution for Smart Locks

PKNERGY designs and manufactures a custom 3.7V 6000mAh lithium-ion battery pack
optimized for smart lock systems. The solution uses high-quality A-grade Li-ion cells
to ensure consistent capacity, long cycle life, and stable output.

• Nominal Voltage: 3.7V
• Capacity: 6000mAh
• Compact rectangular structure: 72 × 44 × 22 mm
• Low internal resistance for stable motor operation

The battery integrates a reliable PCM/BMS providing overcharge, over-discharge,
overcurrent, and short-circuit protection. Custom connectors, cable lengths,
and optional temperature sensors or fuel gauge ICs are supported.

Value for Buyers, Product Managers, and Engineers

For procurement teams, PKNERGY offers flexible MOQ, competitive pricing,
and stable mass production capacity. For project managers, fast sampling
and clear communication help reduce development risk and shorten time-to-market.

For R&D engineers, PKNERGY provides technical support for battery selection,
BMS optimization, and mechanical integration. The 3.7V 6000mAh lithium battery
delivers long service life and reduced maintenance cost for end users.

Case Study: Smart Lock Battery Upgrade Project

In a recent European smart lock project, PKNERGY customized a 3.7V 6000mAh
Li-ion battery pack within the original 72 × 44 × 22 mm enclosure.
The result was a 30% increase in standby time and improved low-temperature
performance.

The project moved from sampling to mass production within 6 weeks,
achieving an annual volume exceeding 200,000 units.

Why Choose PKNERGY

With over 26 years of lithium battery manufacturing experience,
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is a trusted partner for smart security and IoT battery applications.

• 26 years of custom lithium battery experience
• Expertise in Li-ion, LiPo, and LiFePO4 systems
• A-grade cells with strict quality control
• 20M+ cells and 500K+ battery packs annual capacity
• Fast prototyping and small-batch pilot production
• Global certification support (UN38.3, CE, IEC62133, MSDS)