{"product_id":"fma-ace-7-4v-2400-3600-5000mah-li-po-battery-for-drone-futaba-tx-rx-t8fg-receiver-rechargeable","title":"FMA ACE 7.4V 2400\/3600\/5000mAh Li-Po Battery for Futaba RC Receiver TX RX T8FG | 2S1P Rechargeable","description":"\u003ch2\u003eFMA ACE 7.4V Li-Po Rechargeable Battery for Futaba RC Receiver TX RX T8FG\u003c\/h2\u003e\n\u003cp\u003eHigh-performance 7.4V lithium polymer battery pack purpose-built for Futaba RC receivers including TX RX and T8FG systems. Available in three capacity options to suit different receiver compartment sizes and runtime requirements. No PCM inside — designed to work with the receiver’s built-in protection circuit. Equipped with Futaba connector (power) and XH-3P (balance charging) for broad compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Specifications (Reference Chart)\u003c\/h3\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/4179\/20260414174443\/4a3442b50f98e890606155877d85cbaa.png\" style=\"max-width:100%;\"\u003e\u003c\/div\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-Built for Futaba RC Receivers:\u003c\/strong\u003e Compatible with Futaba TX RX, T8FG, and similar 7.4V 2S receiver systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Capacity Options:\u003c\/strong\u003e 2400mAh \/ 3600mAh \/ 5000mAh — choose by compartment size and runtime need\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2S1P Li-Po Configuration:\u003c\/strong\u003e Stable 7.4V nominal output, 8.4V full charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 Connector Types:\u003c\/strong\u003e Futaba (power) + XH-3P (balance charging) — ready for Futaba receiver systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim Profile Designs:\u003c\/strong\u003e Each variant optimized for specific receiver battery bay dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Energy Density:\u003c\/strong\u003e Li-Po chemistry for maximum capacity in minimal size\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\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\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;\"\u003e7.4V (2 × 3.7V)\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;\"\u003e8.4V (2 × 4.2V)\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;\"\u003e6.0V (2 × 3.0V)\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 Polymer (Li-Po)\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\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\/table\u003e\n\n\u003ch3\u003eConnector Types\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\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)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eConnect to 2S Li-Po balance charger only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Variants\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eCapacity\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eDimensions (L×W×H)\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eWeight\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e2400mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e97 × 32 × 16mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e∼150g\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFP2400-ACE02P2S1P\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eSlim compartments, everyday sessions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e3600mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e102 × 47 × 15mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e∼210g\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFP3600-ACE05P2S1P\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eExtended runtime, mid-size bays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e5000mAh\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e102 × 47 × 20mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e∼260g\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFP5000-ACE06P2S1P\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMaximum runtime, larger bays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e⚠️ Please verify your receiver’s battery compartment dimensions before ordering. Refer to the specification chart image above for detailed size reference.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Receivers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFutaba T8FG\u003c\/li\u003e\n\u003cli\u003eFutaba TX RX series receivers\u003c\/li\u003e\n\u003cli\u003eOther RC receivers requiring 7.4V 2S Li-Po battery with Futaba connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eOther 7.4V RC receiver equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× FMA ACE 7.4V Li-Po Battery Pack (capacity as selected)\u003c\/li\u003e\n\u003cli\u003eConnectors: Futaba (power) + XH-3P (balance charging)\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eMeasure your receiver’s battery compartment and confirm the selected variant dimensions fit correctly.\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 Li-Po balance charger set to \u003cstrong\u003e2S \/ 7.4V\u003c\/strong\u003e (max 8.4V). Always use balance charging mode.\u003c\/li\u003e\n\u003cli\u003eFor long-term storage, charge to storage voltage (~7.6V \/ 3.8V per cell) before storing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\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 compatible 2S Li-Po balance charger port.\u003c\/li\u003e\n\u003cli\u003e⚠️ Verify dimensions before installation — forcing an oversized battery into a compartment may damage the battery or receiver housing.\u003c\/li\u003e\n\u003cli\u003e⚠️ Align all connectors correctly before inserting. Do not force any connector — incorrect orientation may damage the pins.\u003c\/li\u003e\n\u003cli\u003e⚠️ Ensure the battery fits snugly 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\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⚠️ Use only a Li-Po balance charger set to 2S (8.4V max). Never use Ni-MH or unregulated chargers.\u003c\/li\u003e\n\u003cli\u003e⚠️ Never discharge below 6.0V (3.0V 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⚠️ Charge in a fireproof LiPo safe bag. Never leave charging unattended.\u003c\/li\u003e\n\u003cli\u003e⚠️ Keep out of reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e Use a 2S Li-Po balance charger (8.4V max). Charge in a fireproof container. Never overcharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store at 3.8V per cell (~7.6V total) in a cool, dry place (15–25°C). Avoid full charge for long-term storage.\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\n\u003ch3\u003eShipping \u0026amp; Transportation Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product contains lithium polymer 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":"7.4V 2400mAh 16*32*97mm","offer_id":46666040213693,"sku":"FP2400-ACE02P2S1P","price":26.64,"currency_code":"USD","in_stock":true},{"title":"7.4V 3600mAh 15*47*102mm","offer_id":46666040246461,"sku":"FP3600-ACE05P2S1P","price":36.95,"currency_code":"USD","in_stock":true},{"title":"7.4V 5000mAh 20*47*102mm","offer_id":46666040279229,"sku":"FP5000-ACE06P2S1P","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/496e9ce3a380f5a9319d78fde05d8e01.jpg?v=1776160263","url":"https:\/\/fmabattery.com\/products\/fma-ace-7-4v-2400-3600-5000mah-li-po-battery-for-drone-futaba-tx-rx-t8fg-receiver-rechargeable","provider":"fmabattery","version":"1.0","type":"link"}