{"product_id":"sp-bt-18","title":"SP-BT 18 . BATTERY TERMINAL","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4 .pnl{display:grid;gap:12px;padding:0 22px}.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .vids,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .vids figure{margin:0 auto 16px;max-width:430px}.sp4 .vids video{display:block;width:100%;height:auto;background:#0B0B0B;border:1px solid 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.pair small,.sp4 .band span,.sp4 th,.sp4 .dl .k{font-size:11px!important;letter-spacing:1px!important}.sp4 .pill{white-space:normal!important;font-size:11px!important;line-height:1.45!important;letter-spacing:1.2px!important}.sp4 h2.big{font-size:clamp(30px,9vw,40px)!important}.sp4 .rea,.sp4 .trust{display:grid!important;grid-template-columns:1fr 1fr!important;gap:6px!important}.sp4 .rea span,.sp4 .trust span{font-size:11px!important;letter-spacing:.7px!important;line-height:1.35!important;padding:9px!important;min-height:44px;display:flex;align-items:center;gap:4px}.sp4 .card{flex:1 1 100%!important}.sp4 .cw\u003ediv{flex:1 1 100%!important;padding:16px!important}.sp4 .dl a,.sp4 .dl a\u003espan,.sp4 .dl a span[style*=inline-block]{display:block!important}.sp4 .dl a span[style*=inline-block]{padding:15px 14px!important;font-size:15px!important;text-align:center}.sp4 table{font-size:14px!important}.sp4 td{padding:8px 12px!important;overflow-wrap:anywhere}.sp4 td:first-child{width:44%}.sp4 .pair a{flex:1 1 100%!important;min-height:52px;border-left:3px solid #E8560F!important}.sp4 .faq{columns:auto!important}.sp4 .sup a{display:inline-block;padding:10px 0;min-height:44px;line-height:24px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003eBattery terminal set · 2×0\/4 GA + 2×8 GA\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e2×0\/4 + 2×8 GA.\u003cbr\u003e\u003cem\u003eFour outputs per post.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe SP-BT 18 is a pair of high-current battery terminals that turns each battery post into a compact power hub: on every terminal two large outputs for 0 to 4 AWG cable and two 8 AWG outputs, all locked with hex-socket set screws, with a transparent cover for each terminal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e2×0\/4\u003ci\u003eGA\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eLARGE OUTPUTS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e2×8\u003ci\u003eGA\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSMALL OUTPUTS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e4\u003ci\u003eOUTPUTS\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003ePER TERMINAL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e SILVER \/ GOLD TONE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 2×0\/4 + 2×8 GA\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e CLEAR COVERS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003eWhy this terminal\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eWhy 0\/4 GA matters\u003c\/b\u003e\u003cp\u003eLarge-gauge cable keeps the voltage drop low when amplifiers pull hundreds of amps for a few seconds of bass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eWhy 8 GA matters\u003c\/b\u003e\u003cp\u003eProcessors, DSP and small amplifiers get their own fused feed without splicing into the main cable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eWhy four outputs matter\u003c\/b\u003e\u003cp\u003eNo stacked ring terminals on the post: every cable has its own screw, fewer joints, a cleaner engine bay.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eClamp bolt and knurled knob\u003c\/b\u003e\u003cp\u003eFits round top-post batteries: the clamp bolt closes the clamp on the post, the knurled knob tightens by hand.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eInsulated\u003c\/b\u003e\u003cp\u003eA transparent cover snaps over each terminal once the cables are tightened: no bare metal visible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCompact\u003c\/b\u003e\u003cp\u003eAbout 62 mm long: fits under the hood beside stock cables.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\" style=\"padding-top: 18px;\"\u003e\n\u003cspan\u003eNegative off first, on last\u003c\/span\u003e\u003cspan\u003eFuse within 20 cm on every positive\u003c\/span\u003e\u003cspan\u003eRight gauge in every port\u003c\/span\u003e\u003cspan\u003eRe-tighten after the first week\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003ePROFESSIONAL USER MANUAL · 19 PAGES\u003c\/div\u003e\n\u003cp\u003eSafety, installation step by step, wiring, troubleshooting and the full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-BT-18-Manual-EN-2026.pdf?v=1791979526\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Download the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cp class=\"n\"\u003ePDF · English · 2026 edition\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\u003cdiv\u003e\n\u003cb\u003eTwo terminals, two clear covers, one retail box.\u003c\/b\u003e\u003cp\u003eSP-BT 18 battery terminals (positive + negative) · 2 clear insulating covers · user manual, in a black-and-orange SPAUDIO retail box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNot included:\u003c\/b\u003e power and ground cables, ring terminals, fuse holders \/ breakers, tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eOUTPUTS PER TERMINAL\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge outputs\u003c\/td\u003e\n\u003ctd\u003e2 × 0\/4 GA (0 → 4 AWG · ≈ 53.5 → 21.2 mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall outputs\u003c\/td\u003e\n\u003ctd\u003e2 × 8 GA (8 AWG · ≈ 8.4 mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocking\u003c\/td\u003e\n\u003ctd\u003eHex-socket set screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eBATTERY CLAMP\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery type\u003c\/td\u003e\n\u003ctd\u003eRound top post, 12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping\u003c\/td\u003e\n\u003ctd\u003eClamp bolt + knurled knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet\u003c\/td\u003e\n\u003ctd\u003ePositive + negative pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMATERIALS \u0026amp; FINISH\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eSilver-tone plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eGold-tone plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eTransparent, insulating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMECHANICAL (APPROX.)\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL × W × H\u003c\/td\u003e\n\u003ctd\u003e≈ 62 × 34 × 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost clamp bore\u003c\/td\u003e\n\u003ctd\u003e≈ Ø 17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge \/ small output bore\u003c\/td\u003e\n\u003ctd\u003e≈ Ø 10 \/ ≈ Ø 4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePACKAGING\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBox\u003c\/td\u003e\n\u003ctd\u003eSPAUDIO retail box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContents\u003c\/td\u003e\n\u003ctd\u003e2 terminals · 2 covers · manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent rating\u003c\/td\u003e\n\u003ctd\u003eNot declared by the manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eOUTPUTS FROM THE MANUFACTURER'S PRODUCT LABEL · DIMENSIONS AND FINISH ARE APPROXIMATE: MEASURE YOUR POST BEFORE BUYING CABLE\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/en\/products\/sp-bt-29\"\u003e\u003csmall\u003eBATTERY TERMINAL\u003c\/small\u003e\u003cstrong\u003eSP-BT 29 — 4 × 0\/4 GA\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/en\/products\/sp-bt-16-blister\"\u003e\u003csmall\u003eBATTERY TERMINAL · BLISTER\u003c\/small\u003e\u003cstrong\u003eSP-BT 16 — 2×0 + 2×8 GA\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/en\/products\/sp-80a\"\u003e\u003csmall\u003eSP AGM BATTERY · 80 Ah\u003c\/small\u003e\u003cstrong\u003eSP-80A — 1100 A CCA\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/en\/products\/a\"\u003e\u003csmall\u003eSP AGM BATTERY · 100 Ah\u003c\/small\u003e\u003cstrong\u003eSP-100A — 1800 A CCA\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDisconnect the battery first.\u003c\/b\u003e Remove the negative terminal first and re-connect it last. Never let a tool bridge the positive post and the vehicle body.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFuse close to the battery.\u003c\/b\u003e Every power cable leaving the positive terminal needs its own fuse or breaker within 20 cm, sized for the cable and the load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse the right cable.\u003c\/b\u003e 0 to 4 AWG in the two large outputs, up to 8 AWG in the two small ones. Never force a larger cable, never leave loose strands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNever feed the amplifier from the fuse box.\u003c\/b\u003e Not from the fuse box, cigarette lighter or head-unit supply: only the battery can deliver the current a car-audio system needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRe-tighten after the first week.\u003c\/b\u003e Thermal cycling and vibration can loosen screws. Tighten securely, not brutally: over-tightening strips threads or crushes strands.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhich cables does the SP-BT 18 take?\u003c\/b\u003eOn every terminal: two large outputs for 0 to 4 AWG cable and two small outputs for 8 AWG cable.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit my battery?\u003c\/b\u003eIt is designed for 12 V round top-post batteries, with a clamp bore of about 17 mm. Measure your post and leave at least 30 mm above the terminals for covers and cable bends.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat do I connect to the 8 GA outputs?\u003c\/b\u003eAccessories, DSP, processors, small amplifiers or remote lines, each fused near the terminal; on the negative terminal, an auxiliary ground.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat voltage drop is acceptable?\u003c\/b\u003eTerminal to post: less than 0.05 V under load. Ground to battery (−): less than 0.1 V under load.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat current does it handle?\u003c\/b\u003eThe manufacturer does not declare a current rating. Size cable and fuse for your system: ask us and we will check it with you.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — amplifier power, cable gauges, number of batteries — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"inLanguage\": \"en\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which cables does the SP-BT 18 take?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"On every terminal: two large outputs for 0 to 4 AWG cable and two small outputs for 8 AWG cable.\"}}, {\"@type\": \"Question\", \"name\": \"Will it fit my battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is designed for 12 V round top-post batteries, with a clamp bore of about 17 mm. Measure your post and leave at least 30 mm above the terminals for covers and cable bends.\"}}, {\"@type\": \"Question\", \"name\": \"What do I connect to the 8 GA outputs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Accessories, DSP, processors, small amplifiers or remote lines, each fused near the terminal; on the negative terminal, an auxiliary ground.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage drop is acceptable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Terminal to post: less than 0.05 V under load. Ground to battery (−): less than 0.1 V under load.\"}}, {\"@type\": \"Question\", \"name\": \"What current does it handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The manufacturer does not declare a current rating. Size cable and fuse for your system: ask us and we will check it with you.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":50806344188247,"sku":"79503","price":924.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_60dc47f3-180f-4313-a69b-427ce132805d.webp?v=1773059058","url":"https:\/\/spaudiothailandia.com\/en\/products\/sp-bt-18","provider":"spaudio","version":"1.0","type":"link"}