Flytown 2100mAh 2S LiFePO4 Transmitter Battery 6.6V 20C — Futaba & JR TX Pack
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LiFePO4 RC Transmitter Battery Pack — 2100mAh, 6.6V, 20C/40C, JR & Futaba Plug for Futaba 14SG, 16SZ, 4PX & More
The Flytown Nano-Tech 2100mAh LiFePO4 transmitter battery is a high-quality LiFe (Lithium Iron Phosphate) TX pack designed as a direct upgrade for Futaba and JR RC radio transmitters. LiFePO4 chemistry offers superior cycle life, excellent thermal stability, and a flat discharge curve — maintaining consistent voltage throughout the session for reliable transmitter performance. At 103g with a 16×44×80mm profile, it fits standard transmitter battery bays. Rated at 20C continuous and 40C burst, with a JST-XH balance plug and White JR/Futaba discharge connector. Available as a single pack or twin pack.
Key Features
- LiFePO4 Chemistry - Superior cycle life, thermal stability, and flat discharge curve vs NiMH
- 2100mAh Capacity - Extended transmitter operating time
- 6.6V (2S LiFe) - Direct replacement for standard 2S NiMH TX packs
- 20C Continuous / 40C Burst - More than adequate for transmitter use
- White JR & Futaba Discharge Plug - Direct plug-in compatibility
- JST-XH Balance Plug - Standard balance charging connector
- 103g Lightweight - Lighter than equivalent NiMH packs
- 16×44×80mm - Fits standard Futaba and JR transmitter battery bays
- CE Certified - Quality and safety certified
Compatible Transmitters
- Futaba 14SG / T14SG
- Futaba 16SZ
- Futaba 4PX / 4PXR
- Futaba 4PK / 4PV / 4PM
- Futaba 7PX / 7PXR
- Futaba 10PX / 10J
- Futaba 8J / T10 / T6J
- Futaba 3PV / 4PL / 4PLS
- JR transmitters with standard White JR plug
Technical Specifications
- Brand: Flytown Nano-Tech
- Chemistry: LiFePO4 (LiFe)
- Capacity: 2100mAh
- Cell Configuration: 2S1P (2 cells)
- Voltage: 6.6V nominal
- Discharge Rate: 20C continuous / 40C burst
- Discharge Plug: White JR & Futaba plug
- Balance Plug: JST-XH
- Weight: 103g (including wire, plug & case)
- Dimensions: 16×44×80mm (H×W×L)
Important Notes
- LiFePO4 requires a LiFe-compatible charger — charge to 3.6V/cell (7.2V total), not 4.2V/cell
- Do not charge with a standard LiPo charger — use LiFe/LiFePO4 mode
- Store at nominal voltage (~3.3V/cell) when not in use
- LiFe batteries are classified as dangerous goods — shipping times may vary by region
- Recommended for ages 14+
Shipping Policy
Estimated Delivery: Orders typically arrive within 3-7 business days to most locations in North America.
International Shipping: Available with tracking. Transit times vary by destination.
Return & Guarantee Policy
Money-Back Guarantee: Not satisfied? We offer a 30-day return policy for a full refund or exchange.
Technical Support: Need help with compatibility or setup? Contact our FPV experts for free assistance.