{"product_id":"sp-80a","title":"SP 80A AGM BATTERY LONG LIFE SPL (UNIT PRICE)","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 #262626;border-radius:10px}.sp4 .vids figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .vids figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .swipe,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}.sp4 .swipe figure{flex:0 0 330px;max-width:330px}}\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\"\u003eVRLA AGM · 12 V · sealed, maintenance-free\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e80 Ah.\u003cbr\u003e\u003cem\u003e1100 A CCA.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe SP-80A is a 12 V VRLA AGM battery built to power high-output car audio and SPL systems. Very low internal resistance: it delivers within milliseconds the current peaks your amplifiers demand on bass transients and keeps the system voltage more stable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-80a-agm-f2fdf627.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-80a-agm-f2fdf627.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-80a-agm-f2fdf627.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-80a-agm-f2fdf627.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 80A AGM poster\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\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\u003e80\u003ci\u003eAh\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRATED CAPACITY · C10\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1100\u003ci\u003eA\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eCOLD CRANKING · CCA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e5000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003ePOWER\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003e1-year warranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eSP AGM BATTERY · TECHNICAL MANUAL · 15 PAGES\u003c\/div\u003e\n\u003cp\u003eAGM technology, state of charge, charging, installation, storage, safety, troubleshooting and the 1-year warranty.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-AGM-BATTERY-Manual-EN-2026.pdf?v=1791071941\" 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⇩ Open 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=\"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=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003eWhy AGM\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eInstant high current\u003c\/b\u003e\u003cp\u003eLow internal resistance: high current peaks with minimal voltage drop, ideal for bass transients.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSealed, maintenance-free\u003c\/b\u003e\u003cp\u003eElectrolyte absorbed in glass-fibre separators: no topping up, no free liquid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCompact construction\u003c\/b\u003e\u003cp\u003ePlates and separators compressed inside the case: a sturdy build suited to vehicle use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eGas recombination\u003c\/b\u003e\u003cp\u003eWater is not consumed in normal use: the battery stays sealed for its whole life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\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\"\u003eSP-80A · CODE 1998\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eVRLA AGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated capacity (C10)\u003c\/td\u003e\n\u003ctd\u003e80 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCold cranking amps (CCA)\u003c\/td\u003e\n\u003ctd\u003e1100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse cranking current\u003c\/td\u003e\n\u003ctd\u003e2600 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-circuit current\u003c\/td\u003e\n\u003ctd\u003e4800 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e5000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions L × W × H\u003c\/td\u003e\n\u003ctd\u003e255 × 165 × 210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCHARGING PARAMETERS\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorption voltage\u003c\/td\u003e\n\u003ctd\u003e14.4 – 14.7 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloat (maintenance) voltage\u003c\/td\u003e\n\u003ctd\u003e13.5 – 13.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum permitted voltage (alternator included)\u003c\/td\u003e\n\u003ctd\u003e14.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax recommended charge current (0.2 C)\u003c\/td\u003e\n\u003ctd\u003e16 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature compensation (if available)\u003c\/td\u003e\n\u003ctd\u003e≈ −24 mV\/°C from 25 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrozen battery, or hot to the touch\u003c\/td\u003e\n\u003ctd\u003eDO NOT charge\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;\"\u003eC10: CHARGE DELIVERED OVER A 10-HOUR DISCHARGE AT 25 °C · CCA: AT −18 °C FOR 30 S HOLDING AT LEAST 7.2 V (SAE) · PULSE AND SHORT-CIRCUIT ARE LABORATORY PEAK VALUES, NOT WORKING CURRENTS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eRead the state of charge\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eREST VOLTAGE\u003c\/th\u003e\n\u003cth\u003eCHARGE\u003c\/th\u003e\n\u003cth\u003eWHAT TO DO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e≥ 12.80 V\u003c\/td\u003e\n\u003ctd\u003e100 %\u003c\/td\u003e\n\u003ctd style=\"text-align:left;font-weight:400\"\u003eFully charged. Ready to use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.55 V\u003c\/td\u003e\n\u003ctd\u003e≈ 75 %\u003c\/td\u003e\n\u003ctd style=\"text-align:left;font-weight:400\"\u003eGood. Recharge at the next opportunity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.30 V\u003c\/td\u003e\n\u003ctd\u003e≈ 50 %\u003c\/td\u003e\n\u003ctd style=\"text-align:left;font-weight:400\"\u003eRecharge now: do not leave it in this state.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.00 V\u003c\/td\u003e\n\u003ctd\u003e≈ 25 %\u003c\/td\u003e\n\u003ctd style=\"text-align:left;font-weight:400\"\u003eDischarged. Recharge immediately with an AGM charger.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e≤ 11.80 V\u003c\/td\u003e\n\u003ctd\u003e≈ 0 %\u003c\/td\u003e\n\u003ctd style=\"text-align:left;font-weight:400\"\u003eFully discharged: risk of sulphation. Recharge within a few hours.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u0026lt; 10.5 V\u003c\/td\u003e\n\u003ctd\u003eDeep discharge\u003c\/td\u003e\n\u003ctd style=\"text-align:left;font-weight:400\"\u003eProbable, irreversible damage. Not covered by warranty.\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;\"\u003eINDICATIVE VALUES AT 25 °C, MEASURED ON THE POSTS WITH A DIGITAL MULTIMETER AFTER AT LEAST 6 HOURS OF REST\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eCharge it right\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\u003cdiv\u003e\n\u003cb\u003eSmart charger with an AGM program. Nothing else.\u003c\/b\u003e\u003cp\u003eBulk at constant current, absorption at 14.4–14.7 V, then float at 13.5–13.8 V to offset self-discharge without overcharging. Every valve opening caused by overcharging releases gas and water that cannot be replaced.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eForbidden:\u003c\/b\u003e jump starters (boosters), truck chargers, fast chargers, unregulated power supplies, GEL programs and high-voltage “desulphation\/recondition” modes not intended for AGM.\u003cbr\u003e\u003cb\u003eAlternator:\u003c\/b\u003e with the engine running, typically 13.8–14.8 V at the terminals. After long listening sessions with the engine off, always finish with the charger.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/id\/products\/sp-55a\"\u003e\u003csmall\u003eSP AGM BATTERY · 55 Ah\u003c\/small\u003e\u003cstrong\u003eSP-55A — 850 A CCA\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/id\/products\/a\"\u003e\u003csmall\u003eSP AGM BATTERY · 100 Ah\u003c\/small\u003e\u003cstrong\u003eSP-100A — 1800 A CCA\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/id\/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=\"\/id\/products\/sp-bt-01\"\u003e\u003csmall\u003eBATTERY TERMINAL\u003c\/small\u003e\u003cstrong\u003eSP-BT 01 — 0 \/ 4 \/ 8 GA\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\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\u003eBoot or cabin, never the engine bay\u003c\/b\u003e in high-performance systems: away from engine, exhaust and heat sources. Every 10 °C above 25 °C halves the expected life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOne fuse (ANL \/ mini ANL) on the positive of each battery\u003c\/b\u003e, within 30 cm of the post and sized to the cable gauge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSecure it with strong brackets or straps\u003c\/b\u003e: it must not move under braking or in a collision. Do not enclose it in airtight boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnect the positive first, then the negative\u003c\/b\u003e; to disconnect, remove the negative first. Ignition and system off, no metal tools on the battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIn parallel, only identical batteries\u003c\/b\u003e: same model, age and state of charge, each fully charged first, link cables of equal length and gauge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow do I check the state of charge?\u003c\/b\u003eMeasure the rest voltage on the posts with a digital multimeter, after at least 6 hours with no loads or charger connected. 12.80 V or more is fully charged, 12.30 V is about 50 %: recharge now.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhich charger should I use?\u003c\/b\u003eAn electronic smart charger with an AGM program: absorption 14.4–14.7 V, float 13.5–13.8 V. Maximum recommended charge current for the SP-80A: 16 A (0.2 C). Never boosters or fast chargers.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eCan I install it in the engine bay?\u003c\/b\u003eNot in high-performance systems. The engine bay easily exceeds 60 °C and heat halves the expected life every 10 °C above 25 °C: install it in the boot or in the cabin.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eMy system needs more power. What do I do?\u003c\/b\u003eConnect several identical batteries in parallel: same model, age and state of charge, each fully charged first, with link cables of equal length and gauge and one fuse on each positive.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat does the warranty cover?\u003c\/b\u003e1 year (12 months) from the date of purchase, against defects in materials and workmanship, confirmed by technical inspection. Deep discharge, overcharging, boosters, heat and mechanical damage are not covered.\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, number of batteries, cable runs — 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\": \"How do I check the state of charge (SP-80A)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Measure the rest voltage on the posts with a digital multimeter, after at least 6 hours with no loads or charger connected. 12.80 V or more is fully charged, 12.30 V is about 50 %: recharge now.\"}}, {\"@type\": \"Question\", \"name\": \"Which charger should I use (SP-80A)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An electronic smart charger with an AGM program: absorption 14.4–14.7 V, float 13.5–13.8 V. Maximum recommended charge current for the SP-80A: 16 A (0.2 C). Never boosters or fast chargers.\"}}, {\"@type\": \"Question\", \"name\": \"Can I install it in the engine bay (SP-80A)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Not in high-performance systems. The engine bay easily exceeds 60 °C and heat halves the expected life every 10 °C above 25 °C: install it in the boot or in the cabin.\"}}, {\"@type\": \"Question\", \"name\": \"My system needs more power. What do I do (SP-80A)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Connect several identical batteries in parallel: same model, age and state of charge, each fully charged first, with link cables of equal length and gauge and one fuse on each positive.\"}}, {\"@type\": \"Question\", \"name\": \"What does the warranty cover (SP-80A)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"1 year (12 months) from the date of purchase, against defects in materials and workmanship, confirmed by technical inspection. Deep discharge, overcharging, boosters, heat and mechanical damage are not covered.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":42962551341268,"sku":"1998","price":363.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_caf9db9e-9e71-4b26-b5c3-0a845cab1204.webp?v=1773058762","url":"https:\/\/spaudio.it\/id\/products\/sp-80a","provider":"spaudio","version":"1.0","type":"link"}