High Quality 3.7V 500mAh UDIRC 802042 Battery For UDIRC U941A drone
Do you want to buy a cheap UDIRC 802042 Compatible battery? We offer you a cheap UDIRC 802042 Compatible battery - an incredibly high quality Compatible battery! All UDIRC 802042 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!
UDIRC 802042 Battery applicable to more models :

✔ Battery for 802042 Ships to Singapore
Product Overview
This battery is suitable as a replacement battery for UDIRC U941A drone battery and UDIRC 802042 model.
High capacity UDIRC 802042 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 500mAh for extended device runtime.
- Stable 3.7V 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 | 802042 |
| Battery Condition | Brand New Replacement Battery |
| Item Code | 21LJ070_Oth |
| Category | RC Drone Batteries |
| Brand | UDIRC |
| Capacity | 500mAh |
| Voltage | 3.7V |
| Type | Li-Polymer |
| Color | Blue |
| Size | Length 42mm * width 19mm * thickness 8mm |
| Applies to | UDIRC U941A drone |
| 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 UDIRC U941A drone
For SYMA X5C X11C drone
* 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 UDIRC 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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