Fytoo 5-Pack 3.7V 400mAh Drone Battery with 5-in-1 Charger for SYMA Q11, H99W, H31, and More (Black)

This Fytoo battery set gives you five 3.7V 400mAh lithium batteries along with a 5-in-1 charger that fits quadcopters like the SYMA Q11, H99W, H31, and several others. It's a practical spare kit for drone owners who want to keep flying without long recharge waits.

Which Drones Are These Batteries For?

The batteries are built to power a range of popular mini quadcopters. Check your model against this list to confirm compatibility:

• SYMA Q11
• H99W
• H31
• H6C
• H98
• AT-96
• TR-C385
• TR-P51
• TR-F22

How the 5-in-1 Charger Works

The included charger can handle up to five batteries at the same time, so you can prep multiple packs before a session. A red LED on each charging slot stays lit while the battery is charging and turns off once it's full. This visual cue helps you track progress without guesswork. The charger runs on a standard 5V DC input and outputs the correct 3.7V for these lithium cells.

Technical Specs at a Glance

Safety and Durability

Each battery is built with a durable outer casing that resists wear from regular use. The charger includes overcharge protection and short circuit protection, so the cells stay safe during charging. The built-in protection mechanism helps prevent common issues like overheating or overvoltage, giving you reliable performance over time.

Quick Answers (FAQ)

How many batteries can I charge at once?

You can charge all five batteries simultaneously using the 5-in-1 charger.

What does the red light mean while charging?

A solid red light means the battery is currently charging. When it turns off, the battery is fully charged.

Is there protection against overcharging?

Yes, the charger has overcharge protection and short circuit protection built in for safe operation.

Does this work with the SYMA Q11?

Yes, the SYMA Q11 is among the compatible models listed.