High Quality CITIZEN UT621 Battery For Citizen H240 Watch capacitor

Do you want to buy a cheap CITIZEN UT621 Compatible battery? We offer you a cheap CITIZEN UT621 Compatible battery - an incredibly high quality Compatible battery! All CITIZEN UT621 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for UT621 Ships to Singapore

Product Overview

This battery is suitable as a replacement battery for Citizen H240 Watch capacitor battery and CITIZEN UT621 model.

High capacity CITIZEN UT621 battery for longer standby time.

The battery is professionally tested to ensure the best lifespan.

1 year warranty, 30 days money back, 100% brand new!

Battery capacity (mAh/A/W) may be different; the more mAh/A/W it displays, the higher its autonomy.

Safety certified CE / FCC / RoHS.

Key Features

• High‑capacity design with for extended device runtime.
• Stable output ensures consistent performance during daily use.
• Built with high‑quality lithium‑ion cells for improved durability and long cycle life.
• Advanced protection system including overcharge, over‑discharge, overheat, and short‑circuit safeguards.
• Optimized for reliable performance in warm and humid environments.
• Lightweight and compact design for easy installation and device compatibility.

Technical Specifications

Model	UT621
Battery Condition	Brand New Replacement Battery
Item Code	ECN13033_Oth
Category	Lithium Batteries
Brand	CITIZEN
Capacity
Voltage
Type	Lithium
Color	Slivery
Size	*mm(L x W x H)
Applies to	Citizen H240 Watch capacitor
Certification	Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service	Buy now, we promise a one-year warranty and 30-day returns

Compatible Models

Replacement Part Numbers:

• UT621

Compatible Models：

For Citizen H240 Watch capacitor
Citizen Watch Photokinetic Energy Battery

* Please make sure that the replacement battery you are buying is suitable for your device brand and model.

Battery Care & Maintenance

• Store the battery in a cool, dry environment to maintain long‑term performance.
• Avoid exposing the battery to excessive heat or direct sunlight, especially in warm and humid climates.
• Use compatible CITIZEN chargers or certified charging accessories to ensure safe and efficient charging.
• Avoid frequent full discharges; partial charge cycles help extend overall battery lifespan.
• If the battery will not be used for an extended period, keep it at around 40–60% charge before storage.
• Clean the battery contacts periodically with a dry cloth to maintain stable power delivery.
• Do not puncture, crush, or expose the battery to water or high humidity.

Frequently Asked Questions