{"product_id":"ni-mh-battery-7-2v-80mah-for-getronics-gtalarm-gt945-motorbike-vehicle-self-powered-car-alarm-siren","title":"FMA 7.2V 80mAh Ni-MH Rechargeable Battery for GETRONICS Gtalarm GT945 Car Alarm Siren | 6SX \/ 6SL \/ 6SH Cell Types","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eFMA 7.2V 80mAh Ni-MH Rechargeable Battery\u003c\/strong\u003e is a purpose-built replacement for the backup battery inside \u003cstrong\u003eGETRONICS Gtalarm GT945\u003c\/strong\u003e and compatible self-powered car and motorbike alarm sirens. This battery keeps your alarm siren operational even when the vehicle's main power is disconnected — a critical anti-theft feature.\u003c\/p\u003e\n\n\u003cp\u003eAll four variants share the \u003cstrong\u003esame voltage (7.2V) and capacity (80mAh)\u003c\/strong\u003e, but use \u003cstrong\u003edifferent cell shapes and dimensions\u003c\/strong\u003e to fit different alarm siren internal compartments. Please select the variant that matches your original battery's physical form.\u003c\/p\u003e\n\n\u003ch3\u003eUnderstanding the 4 Variants — Same Power, Different Cell Shape\u003c\/h3\u003e\n\n\u003cp\u003eThe key difference between variants is the \u003cstrong\u003ephysical shape, arrangement, and dimensions of the 6 Ni-MH cells\u003c\/strong\u003e, not the electrical performance. Choose based on the shape and size of your original battery pack:\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eVariant\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eCell Shape\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003ePack Dimensions\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eConnector\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\u003e6SX\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCylindrical (round cells in a row)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7.8 × 31 × 46 mm\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1.25mm JST\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNarrow tubular battery compartments\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e6SL + 5264\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFlat \/ Prismatic (stacked cells)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eØ16mm, H38mm (cylindrical pack)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMolex 5264\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRound\/tubular compartments Ø16mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e6SH\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eHalf-round (half-cylindrical cells)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e14 × 16 × 48 mm\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eUniversal (bare wire)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eWider curved battery compartments\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e6SL + XHR\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFlat \/ Prismatic (stacked cells)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eØ16mm, H38mm (cylindrical pack)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eJST XHR\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRound\/tubular compartments Ø16mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003eHow to choose:\u003c\/strong\u003e Measure your old battery pack before ordering. If it is narrow and tubular (7.8×31×46mm) → choose 6SX. If it is a round cylinder (Ø16mm × H38mm) → choose 6SL. If it is wider and half-round (14×16×48mm) → choose 6SH. If unsure, send us a photo and we will advise.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGETRONICS Gtalarm GT945\u003c\/strong\u003e self-powered car alarm siren\u003c\/li\u003e\n  \u003cli\u003eOther GETRONICS Gtalarm series alarm sirens using 7.2V 80mAh Ni-MH backup battery\u003c\/li\u003e\n  \u003cli\u003eCompatible self-powered car, van, truck, and motorbike alarm sirens requiring 7.2V Ni-MH backup power\u003c\/li\u003e\n  \u003cli\u003eAny vehicle alarm siren with a 6S Ni-MH backup battery of matching dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Drop-in substitute for the original GETRONICS GT945 alarm siren backup battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Variants Available:\u003c\/strong\u003e 6SX \/ 6SL \/ 6SH — same voltage and capacity, different physical dimensions to fit your siren\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Powered Alarm Protection:\u003c\/strong\u003e Keeps the siren active even when vehicle battery is disconnected by a thief\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNi-MH Chemistry:\u003c\/strong\u003e Safe, environmentally friendly, minimal memory effect, good cycle life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Recharge:\u003c\/strong\u003e Recharged automatically by the alarm system's built-in circuit during normal vehicle operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New:\u003c\/strong\u003e FMA brand, manufactured to strict quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications (All Variants)\u003c\/h3\u003e\n\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFMA\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;\"\u003eNickel Metal Hydride (Ni-MH)\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;\"\u003e6S1P (6 cells in series)\u003c\/td\u003e\n\u003c\/tr\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;\"\u003e7.2V (6 × 1.2V)\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 (6 × 1.4V)\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 (6 × 1.0V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eStandard Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e80mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions — 6SX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7.8 × 31 × 46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions — 6SL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eØ16mm, Height 38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions — 6SH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e14 × 16 × 48 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eConnector Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1.25mm JST (6SX) \/ Molex 5264 (6SL) \/ JST XHR (6SL) \/ Universal bare wire (6SH)\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~100g\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    \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e1 × FMA 7.2V 80mAh Ni-MH Rechargeable Battery (cell type and connector as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Replace the Battery\u003c\/h3\u003e\n\n\u003col\u003e\n  \u003cli\u003eDisarm your vehicle alarm system before starting.\u003c\/li\u003e\n  \u003cli\u003eLocate and open the alarm siren unit (usually mounted in the engine bay).\u003c\/li\u003e\n  \u003cli\u003eDisconnect the old battery by unplugging its connector.\u003c\/li\u003e\n  \u003cli\u003eConnect the new FMA battery — match the connector type and observe correct polarity (red: +, black: −).\u003c\/li\u003e\n  \u003cli\u003eSecure the battery inside the siren unit and close the housing.\u003c\/li\u003e\n  \u003cli\u003eRe-arm the alarm system and verify normal operation.\u003c\/li\u003e\n  \u003cli\u003eThe battery will recharge automatically during normal vehicle use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSafety Information\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e Recharged automatically by the alarm system's built-in circuit. Ensure the circuit is rated for Ni-MH (max 1.4V per cell). Do not charge externally with a Li-ion charger.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store at 40–60% charge in a cool, dry place (15–25°C). Top up every 3–6 months if stored long-term.\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 Operating range: −10°C to 60°C. Charge within 0°C to 45°C only.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Keep out of reach of children. Do not disassemble or modify the battery pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Discontinue use immediately if the battery shows swelling, leakage, or abnormal heat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisposal:\u003c\/strong\u003e Dispose of in accordance with local Ni-MH battery recycling regulations. Do not incinerate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Transportation Notice\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHazardous Goods:\u003c\/strong\u003e This product contains Ni-MH rechargeable cells and may be subject to shipping restrictions in certain regions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Transportation:\u003c\/strong\u003e May have limitations for air freight. Please check with carrier for specific requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Packed in compliance with international shipping standards for nickel-based batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e Estimated 7–20 business days depending on destination. Brazil and remote destinations may take up to 60 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e All required safety data sheets and shipping declarations are included with commercial orders.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMA","offers":[{"title":"6SX Connector 1.25mm","offer_id":46795938988221,"sku":"FH080-784631C6SX","price":9.81,"currency_code":"USD","in_stock":true},{"title":"6SL Connector 5264","offer_id":46795939020989,"sku":"FH080-1638C6SL52","price":9.81,"currency_code":"USD","in_stock":true},{"title":"6SH Connector Universal","offer_id":46795939053757,"sku":"FH080-141648C6SH","price":9.81,"currency_code":"USD","in_stock":true},{"title":"6SL Connector XHR","offer_id":46795939086525,"sku":"FH080-1638C6SLXH","price":9.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/s-l1600_5ca25702-9030-442e-bbed-b825eadfe966.jpg?v=1768984958","url":"https:\/\/fmabattery.com\/products\/ni-mh-battery-7-2v-80mah-for-getronics-gtalarm-gt945-motorbike-vehicle-self-powered-car-alarm-siren","provider":"fmabattery","version":"1.0","type":"link"}