Smart Door Locks

Smart door locks are security devices integrated with electronic identification, featuring fingerprint/password/card unlocking, remote management, and anti-pry alarm functions. Designed to enhance access security and convenience, they are suitable for homes, hotels, and offices.
You are here: Home » Smart Door Locks

Smart Door Lock Battery Core Features

Smart door locks require long-lasting and stable batteries. Zerne's polymer lithium batteries achieve over 1 year of battery life with low self-discharge, adapt to outdoor installation via wide-temperature operation, and ensure lock safety with leak-proof design.

Ultra-Low Self-Discharge

Ensures stable battery life for over 1 year

Wide Temperature Adaptability

Operates normally in -20℃~60℃ environments

Leak-Proof Design

Prevents corrosion of internal lock circuits

Long Service Life

Supports thousands of unlocking cycles

Accurate Power Display

Real-time alerts to avoid sudden power failure

Safe & Stable

No memory effect—charge anytime

Product Details

Moedel Voltage Capacity Charging Discharging Size Internal resistance
Thickness(mm) Width(mm) Length(mm)
401622 3.7V 100 1C 1C 4 16.5 22 180
721430 3.7V 250 1C 1C 7.2 14 30 150
402535 3.7V 250 1C 1C 4 25 35 80
423358 3.7V 850 1C 1C 4.2 33 58 80
503448 3.7V 880 1C 1C 5.0 34 48 70
375055 3.7V 1000 1C 1C 3.7 50 55 60
654252 3.7V 1500 1C 1C 6.5 42 52 60
516381 3.7V 2000 1C 1C 5.1 63 81 50
3184121 3.7V 3900 1C 1C 3.1 84 121 40
106846 3.7V 4700 1C 1C 10 68 46 40
105878 3.7V 6000 1C 1C 10 58 78 40

Battery Performance

High Energy Density

Higher energy storage per equal volume.

Longer Cycle Life

Withstands numerous charge-discharge cycles.

Safety

Withstands numerous charge-discharge cycles.

Low Self-Discharge

Minimal Power Loss, Longer Shelf Life

Our Available Certifications

UL
EU
UL
CB
KC
PSE
UN
RoHS
CB
CQC
ISO9100
REACH

Related Articles

October 19, 2026

Battery warranty vs service life is an important distinction for OEM purchasing. This guide explains how commercial coverage differs from cycle-life results and application requirements. It covers warranty starting events, capacity commitments, matched test conditions, field-claim evidence, and replacement planning. A clearly labeled example shows why a laboratory capacity endpoint may not satisfy a device’s service requirement.

October 16, 2026

Do lithium-ion batteries leak? This guide explains possible leakage signs, causes, and the differences between electrolyte release, swelling, and external contamination. It also outlines what OEM teams should record, how to preserve useful failure evidence, and why normal voltage cannot confirm containment integrity. The focus is on appropriate incident handling and structured supplier investigation.

October 15, 2026

Learn how to check lithium battery polarity before connecting a pack to an OEM device. This guide explains how to identify output contacts, interpret connector viewing directions, configure a digital multimeter, and evaluate positive, negative, zero, or unstable readings. It also covers device-side pin mapping and the documentation needed for repeatable incoming inspection.

Contact Us

Let us find the right battery solution for you.

Guangdong Zhaoneng Technology co.,ltd.
We are a professional manufacturer of new energy lithium batteries integrating R&D, design, manufacturing and sales with 28 years experience.

QUICK LINKS

PRODUCT CATEGORY

CONTACT US

Telephone: +86-757-81289780
Phone: +86-13724662111
E-mail: info@zn-battery.com
WhatsApp: +8613724662111
Add: No.11, DouKou Ave., XiaJiao Vil., Danzao, Nanhai District, Foshan, Guangdong, China. 528216.
Copyright ©  2025 Guangdong Zhaoneng Technology Co.,Ltd. All Rights Reserved. Privacy Policy| Sitemap