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High Quality 3.75V 3000mAh/11.25Wh CASTLES_TECHNOLOGY S1E Battery For Castles Technology S1E

Do you want to buy a cheap CASTLES_TECHNOLOGY S1E Compatible battery? We offer you a cheap CASTLES_TECHNOLOGY S1E Compatible battery - an incredibly high quality Compatible battery! All CASTLES_TECHNOLOGY S1E are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

Written by Shopbatterypc.com Team
Updated for Singapore · March 2026
S1E

✔ Battery for S1E Ships to Singapore

Product Overview

This battery is suitable as a replacement battery for Castles Technology S1E battery and CASTLES_TECHNOLOGY S1E model.

High capacity CASTLES_TECHNOLOGY S1E 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 3000mAh/11.25Wh for extended device runtime.
  • Stable 3.75V 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 S1E
Battery Condition Brand New Replacement Battery
Item Code 2605BA0524C_Oth
Category Lithium-Ion Batteries
Brand CASTLES_TECHNOLOGY
Capacity 3000mAh/11.25Wh
Voltage 3.75V
Type Li-ion
Color Black
Size *mm(L x W x H)
Applies to Castles Technology S1E
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:

Compatible Models:

For Castles Technology S1E

* 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 CASTLES_TECHNOLOGY 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

Yes, we ship directly to Singapore with fast delivery options.
Yes, this product includes Singapore‑compatible warranty coverage.

Ready to buy in Singapore?

Visit the official product page for price, stock, and delivery options.

👉 View the S1E Battery Product Page