{"product_id":"fma-ace-11-1v-2400mah-li-po-battery-for-drone-tx-rx-receiver-rc-remote-control-transmitter-rechargeable","title":"FMA ACE 6.6V 2250mAh Li-Fe Battery for RC Receiver Futaba 14SG 18SZ 10J T8J LiFePO4 2S1P Rechargeable","description":"\u003ch2\u003eFMA ACE 6.6V 2250mAh LiFePO4 Rechargeable Battery for RC Receiver\u003c\/h2\u003e\n\u003cp\u003eStable, long-life 6.6V lithium iron phosphate (LiFePO4 \/ Li-Fe) battery pack purpose-built for RC receivers. Compatible with Futaba 14SG, 18SZ, 10J, T8J, and other receivers requiring a 6.6V 2S Li-Fe power source. LiFePO4 chemistry offers superior thermal stability, longer cycle life, and a flatter discharge curve compared to standard Li-Po — ideal for safety-critical RC applications. Equipped with Futaba connector (power) and XH-3P (balance charging).\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO4 Chemistry:\u003c\/strong\u003e Superior thermal stability, longer cycle life (\u0026gt;1000 cycles), and safer than standard Li-Po\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-Built for RC Receivers:\u003c\/strong\u003e Compatible with Futaba 14SG, 18SZ, 10J, T8J, and similar 6.6V receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Capacity:\u003c\/strong\u003e 2250mAh for extended flight sessions between charges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2S1P Configuration:\u003c\/strong\u003e Stable 6.6V nominal output with flat discharge curve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 55×32×14mm — direct fit for standard Futaba receiver battery bays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 Connector Types:\u003c\/strong\u003e Futaba connector (power) + XH-3P (balance charging)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand New:\u003c\/strong\u003e FMA ACE series, manufactured to strict quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLiFePO4 vs Li-Po — Why Choose Li-Fe for RC Receivers?\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLiFePO4 (Li-Fe)\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLi-Po\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.3V\/cell\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.7V\/cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eThermal Stability\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e✅ Excellent — no thermal runaway risk\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCycle Life\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u0026gt;1000 cycles\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e500–1000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDischarge Curve\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVery flat — stable voltage throughout\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGradual decline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSafety\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e✅ Highest among Li Chemistries\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGood with care\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e6.6V (2 × 3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFull Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e7.2V (2 × 3.6V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDischarge Cut-off Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5.6V (2 × 2.8V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2250mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLithium Iron Phosphate (LiFePO4 \/ Li-Fe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2S1P (2 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions (L×W×H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e55 × 32 × 14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e∼180g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFE2250-ACE01P2S1P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFutaba (power) \/ XH-3P (balance charging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNo PCM — use with device that has built-in protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFMA ACE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConnector Types\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eConnector\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eType\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFunction\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSpecial Note\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFutaba\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFutaba-style power connector\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMain power connection to RC receiver\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003e⚠️ Grip connector body only — NEVER pull wires\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eXH-3P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3-pin JST XH balance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBalance charging port (2S Li-Fe)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUse with 2S LiFePO4-compatible balance charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatible Receivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFutaba 14SG\u003c\/li\u003e\n\u003cli\u003eFutaba 18SZ\u003c\/li\u003e\n\u003cli\u003eFutaba 10J\u003c\/li\u003e\n\u003cli\u003eFutaba T8J\u003c\/li\u003e\n\u003cli\u003eOther RC receivers requiring 6.6V 2S LiFePO4 battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRC drone \/ UAV receiver systems\u003c\/li\u003e\n\u003cli\u003eRC aircraft and fixed-wing receivers\u003c\/li\u003e\n\u003cli\u003eRC car and boat receivers\u003c\/li\u003e\n\u003cli\u003eFutaba-compatible RC systems requiring 6.6V Li-Fe power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× FMA ACE 6.6V 2250mAh LiFePO4 Battery Pack\u003c\/li\u003e\n\u003cli\u003eConnectors: Futaba (power) + XH-3P (balance charging)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Install\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower off your RC receiver system completely before replacing the battery.\u003c\/li\u003e\n\u003cli\u003eOpen the battery compartment and remove the old battery pack.\u003c\/li\u003e\n\u003cli\u003eInsert the new FMA ACE battery into the compartment, aligning it with the housing guides.\u003c\/li\u003e\n\u003cli\u003eConnect the \u003cstrong\u003eFutaba connector\u003c\/strong\u003e to the receiver’s power port — \u003cstrong\u003egrip the connector body firmly, do not pull or tug the wires.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eClose the battery compartment and power on the system to verify normal operation.\u003c\/li\u003e\n\u003cli\u003eTo charge, connect the \u003cstrong\u003eXH-3P balance connector\u003c\/strong\u003e to a LiFePO4-compatible balance charger set to \u003cstrong\u003e2S Li-Fe \/ 6.6V\u003c\/strong\u003e (max 7.2V). Always use balance charging mode.\u003c\/li\u003e\n\u003cli\u003eFor long-term storage, charge to storage voltage (~6.6V \/ 3.3V per cell) before storing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Important: Always use a charger with a dedicated LiFePO4 (Li-Fe) mode. Do NOT use a standard Li-Po charger profile — the charge voltage is different (7.2V max for Li-Fe vs 8.4V for Li-Po).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eInstallation Cautions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eFutaba Connector — Critical Warning:\u003c\/strong\u003e The Futaba connector has internal solder joints. \u003cstrong\u003eAlways grip the Futaba connector body firmly when plugging or unplugging — NEVER pull on the wires.\u003c\/strong\u003e Pulling the wires will cause the internal solder joint to detach from the battery terminal, resulting in permanent loss of connection.\u003c\/li\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eXH-3P Balance Connector:\u003c\/strong\u003e Used for balance charging only — do not use as the main power connection. Connect only to a LiFePO4-compatible 2S balance charger port.\u003c\/li\u003e\n\u003cli\u003e⚠️ Align all connectors correctly before inserting. Do not force any connector — incorrect orientation may damage the pins or receiver port.\u003c\/li\u003e\n\u003cli\u003e⚠️ Ensure the battery fits snugly in the compartment without bending or compressing the wires. Pinched wires can cause short circuits.\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not route wires across sharp edges inside the battery compartment.\u003c\/li\u003e\n\u003cli\u003e⚠️ If the Futaba connector feels loose or the system shows no power after installation, inspect the connector and internal solder joints before use. Contact us if the joint has detached.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Cautions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eNo PCM protection inside.\u003c\/strong\u003e Always use with a device or charger that provides overcharge and over-discharge protection.\u003c\/li\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eUse a LiFePO4-specific charger (2S Li-Fe mode, 7.2V max).\u003c\/strong\u003e Never use a Li-Po charger profile, Ni-MH, or unregulated chargers.\u003c\/li\u003e\n\u003cli\u003e⚠️ Never discharge below 5.6V (2.8V per cell). Deep discharge will permanently damage the battery.\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not short-circuit, puncture, crush, bend, or expose to fire.\u003c\/li\u003e\n\u003cli\u003e⚠️ Do not charge a swollen or damaged battery. Discontinue use immediately if abnormalities are detected.\u003c\/li\u003e\n\u003cli\u003e⚠️ Keep out of reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e Use a 2S LiFePO4 balance charger (7.2V max). LiFePO4 is inherently safer than Li-Po, but always charge with care and never leave unattended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store at ~3.3V per cell (~6.6V total) in a cool, dry place (15–25°C). LiFePO4 can be stored at nominal voltage without significant degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Do not short-circuit, puncture, crush, or disassemble. Avoid exposure to water or moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e Charge and discharge within 0°C–45°C. Do not charge below 0°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal:\u003c\/strong\u003e Discharge to safe voltage, then dispose of according to local lithium battery regulations. Do not incinerate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Inspect before each use. Do not use if swollen, damaged, or leaking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Transportation Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product contains lithium iron phosphate (LiFePO4) cells and is classified as dangerous goods (UN3481) for shipping purposes.\u003c\/li\u003e\n\u003cli\u003eAir transport is subject to IATA regulations. Additional documentation and handling time may be required.\u003c\/li\u003e\n\u003cli\u003eAll shipments comply with UN3481 packaging and labeling requirements. UN38.3 test report available upon request.\u003c\/li\u003e\n\u003cli\u003eEstimated delivery: 7–20 business days depending on destination and carrier.\u003c\/li\u003e\n\u003cli\u003eBrazil shipments require a valid Tax Number (CPF\/CNPJ). Some remote destinations may take up to 60 days.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMA","offers":[{"title":"6.6V 2250mAh 14*32*55mm","offer_id":46666003382461,"sku":"FE2250-ACE01P2S1P","price":27.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/6793340e3d34a6024862473db0f8a208.jpg?v=1776157716","url":"https:\/\/fmabattery.com\/products\/fma-ace-11-1v-2400mah-li-po-battery-for-drone-tx-rx-receiver-rc-remote-control-transmitter-rechargeable","provider":"fmabattery","version":"1.0","type":"link"}