High Quality 7.4V 4000mAh SPEKTRUM DX9 Battery For Spektrum DX9 DX8 DX7 DX6E
Do you want to buy a cheap SPEKTRUM DX9 Compatible battery? We offer you a cheap SPEKTRUM DX9 Compatible battery - an incredibly high quality Compatible battery! All SPEKTRUM DX9 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for DX9 Ships to Singapore
Product Overview
This battery is suitable as a replacement battery for Spektrum DX9 DX8 DX7 DX6E battery and SPEKTRUM DX9 model.
High capacity SPEKTRUM DX9 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 4000mAh for extended device runtime.
- Stable 7.4V 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 | DX9 |
| Battery Condition | Brand New Replacement Battery |
| Item Code | ECN131G96_Oth |
| Category | Li-Polymer Batteries |
| Brand | SPEKTRUM |
| Capacity | 4000mAh |
| Voltage | 7.4V |
| Type | Li-ion |
| Color | Blue |
| Size | *mm(L x W x H) |
| Applies to | Spektrum DX9 DX8 DX7 DX6E |
| 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 In order to ensure the safe use of various lithium batteries and master the common sense of using lithium batteries, please read the following text carefully!
Burning: Charging with a non lithium battery charger may cause damage, smoking, and heating of the lithium battery
Or burn it! For lithium battery packs, we recommend using a lithium battery balanced charging dedicated charger
Charge up!
Damage: Excessive discharge, overcharging, or reverse charging will immediately cause damage to the lithium battery.
Charging: The charging current should not exceed half of the battery capacity, and the charging cut-off voltage is 4.20V ?? 0.05V for a single cell.
Discharge: When using the battery pack for the first time, please use a standard balanced charger for charging. For new batteries, please charge them for the first time
Do not over discharge during use. When using continuously, please pay attention to checking the battery voltage and the total value of the 3-series battery pack
The voltage shall not be lower than 10.5V. The total voltage of the string battery pack shall not be lower than 7.0V, and the voltage of a single cell shall not be lower
Below these rated voltages of 3.5V, the battery will inflate, fail, and eventually be damaged.
Storage: The self discharge rate of lithium batteries is higher than that of nickel hydrogen/nickel barrier batteries, making them prone to excessive discharge. If the product is not used for a long time
When using, please remove the battery and regularly check the battery voltage to maintain the voltage of each individual battery at
Between 3.8V and 3.9V.
Storage conditions: Temperature -20 ?? C~+35 ?? C.
* 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 SPEKTRUM 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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👉 View the DX9 Battery Product Page