High Quality 3.65V 3100mAh/11.3Wh INFICON 721-400-G1 Battery For Inficon D-Tek 3
Do you want to buy a cheap INFICON 721-400-G1 Compatible battery? We offer you a cheap INFICON 721-400-G1 Compatible battery - an incredibly high quality Compatible battery! All INFICON 721-400-G1 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!
✔ Battery for 721-400-G1 Ships to Singapore
Product Overview
This battery is suitable as a replacement battery for Inficon D-Tek 3 battery and INFICON 721-400-G1 model.
High capacity INFICON 721-400-G1 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 3100mAh/11.3Wh for extended device runtime.
- Stable 3.65V 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 | 721-400-G1 |
| Battery Condition | Brand New Replacement Battery |
| Item Code | 2509BA0175C_Oth |
| Category | Lithium-Ion Batteries |
| Brand | INFICON |
| Capacity | 3100mAh/11.3Wh |
| Voltage | 3.65V |
| Type | Li-ion |
| Color | Black |
| Size | *mm(L x W x H) |
| Applies to | Inficon D-Tek 3 |
| 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 Inficon D-Tek 3
* 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 INFICON 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
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