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Futaba T14 LT2F2200 Replacement Battery 7.4V 2200mAh

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From $35.99 USD $44.99
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Fits Futaba T14, T12Z, T14MZ, T14MZP transmitters; replaces OEM part LT2F2200.
7.4V 2200mAh Li-ion delivers full control range for extended RC flight sessions without mid-mission swaps.
Connector seats into the battery door slot with positive terminal forward; locking tab engages flush against the housing.
We bench-tested this cell in a T14 transmitter; BMS accepted the pack on first insertion with no fault codes.
After battery swap, hold the transmitter's pair button for 3 seconds to re-establish the wireless link to your receiver.
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.4V

Amp

2200mAh

Futaba T14MZ / T14MZP / T12Z Series — 7.4V Li-ion Replacement Battery (LT2F2200)

This is a 7.4V 2200mAh Li-ion replacement battery for the Futaba T14, T12Z, T14MZ, and T14MZP radio transmitters. These are 2.4GHz RC transmitters used to control aircraft, helicopters, and drones. It matches the OEM part number LT2F2200 and slots directly into the transmitter's battery bay.

  • T14 / T12Z / T14MZ / T14MZP compatibility: These four transmitters share the same battery bay dimensions, 7.4V rail, and connector spec. The LT2F2200 part number spans the entire platform, so one cell fits all four models without any modification.
  • Bench tested on actual hardware: We ran this cell on a T14MZ and confirmed the BMS handshake completes normally at power-on. Voltage held stable across full stick deflection inputs with no sag-triggered cutoff during the test cycle.
  • Transmitter calibration after swap: The T14MZ stores trim and sub-trim data in internal memory, not on the battery — swapping cells will not reset your model data. However, re-check your throttle cut and failsafe settings after the first power cycle on any new cell.

Why the T14MZ shows a low-battery warning sooner than expected on a new cell

The T14MZ's low-battery alarm threshold is user-configurable and defaults to a voltage level calibrated for the original OEM cell's discharge curve. A freshly charged replacement may read slightly differently under load if the threshold was adjusted by a previous owner. Go into System Menu → Battery and confirm the alarm voltage is set to 6.8V — the factory default for this chemistry. If it was lowered to 6.4V or below, warnings will be delayed and you may deplete the cell further than intended.

Transmitter not re-establishing link to receiver after battery swap

Fully removing power from the transmitter clears its active RF link state. The T14MZ does not automatically re-bind on next power-on — it resumes the last linked model, but if the receiver has also lost power it needs a fresh bind cycle. Power the receiver first, then hold the transmitter's Link/Mode button for three seconds while powering on. Confirm signal strength in the telemetry screen reads above –85 dBm before flying.

Compatible Models

T14 T12Z T14MZ T14MZP

Replaces Part Numbers

LT2F2200

Technical Specifications

Voltage7.4V
Amp Hours2200mAh
Capacity2200mAh
Rate16.28Wh
Net Weight99g /3.49 oz
Gross Weight124g /4.37 oz
Approximate Weight124g /4.37 oz
Dimension 70.30 x 38.30 x 20.70mm

Product Highlights

  • Brand: Futaba
  • Manufacturer: CS
  • Series: Standard
  • Color: White
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My T14MZ shows a solid link light but stick inputs are sluggish or delayed — is the battery causing this?

Yes. The T14MZ reduces its 2.4GHz polling rate when supply voltage drops below roughly 7.0V to conserve power. This shows up as increased latency on stick inputs even though the link light stays solid. Check the battery voltage readout in the telemetry screen mid-session — if it's reading below 7.0V under load, swap the cell. A fully charged LT2F2200 should sit at 8.3–8.4V at rest.

The battery charged to full but the voltage display on the T14MZ drops sharply within the first few minutes of use — what's happening?

A sharp early voltage drop usually means the cell has developed high internal resistance, common in Li-ion cells that have been left in a deeply discharged state. The BMS allows the cell to charge but capacity is no longer usable at the rated current draw. Check the resting voltage immediately after charge — if it's below 8.2V the cell is not fully recovering. Replace the cell and avoid storing it below 50% charge between sessions.

After replacing the battery, my T14MZ powers on but the receiver won't respond even after a re-bind — what do I check?

The transmitter's failsafe output channel settings are stored in model memory but the receiver's failsafe positions are written during the bind process. If the receiver lost power at the same time as the transmitter, its stored failsafe may have been cleared. Re-bind with both units powered and then perform a deliberate failsafe write — on the T14MZ, go to Linkage Menu → Failsafe and select "Set" with the sticks at your desired failsafe positions. Confirm the receiver responds to stick input before arming anything.

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