{"product_id":"charge-n-start-1120-1-amp-battery-charger-1200-amp-jump-starter","title":"Charge N Start 1120 — 1 Amp Battery Charger \u0026 1200 Amp Jump Starter","description":"\u003cp\u003eThe Battery Tender® Charge N Start 1120 is the smart battery charger, maintainer, and portable jump starter that prevents the dead battery and handles it when prevention wasn't enough — with 1200 Amps of lithium jump starting power for gas engines up to 6.0L and diesel engines up to 4.0L. More jump starting power than the CNS 1100, same 1 Amp ISM smart charging, and the same auto-switching internal lithium pack that stays fully charged and always ready.\u003c\/p\u003e\u003ch3\u003eTwo Devices. One Unit. Complete Battery Coverage.\u003c\/h3\u003e\u003cp\u003eAs a \u003cstrong\u003e1 Amp ISM smart battery charger and maintainer\u003c\/strong\u003e, it keeps the vehicle battery at 100% through Battery Tender® ISM technology. As a \u003cstrong\u003e1200 Amp portable lithium jump starter\u003c\/strong\u003e, the internal pack delivers full-size vehicle starting power for gas engines up to 6.0L and diesel engines up to 4.0L — without jumper cables or a second vehicle.\u003c\/p\u003e\u003ch3\u003eHow to Jump Start a Car Without Jumper Cables\u003c\/h3\u003e\u003cp\u003eJump starting a dead car battery takes under two minutes:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eConnect the red jump start clamp to the positive (+) terminal on the dead battery\u003c\/li\u003e\n\u003cli\u003eConnect the black jump start clamp to a ground point or the negative (−) terminal\u003c\/li\u003e\n\u003cli\u003eSpark-proof system confirms connection before any current flows\u003c\/li\u003e\n\u003cli\u003eCrank for up to 5 seconds — most vehicles start within 1–3 attempts\u003c\/li\u003e\n\u003cli\u003eDisconnect clamps and store\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eNo second vehicle. No jumper cable sequence. 1200 Amps handles full-size trucks and SUVs with gas engines up to 6.0L and diesel engines up to 4.0L.\u003c\/p\u003e\u003ch3\u003eHow to Jump Start a Motorcycle, ATV, or Powersports Vehicle\u003c\/h3\u003e\u003cp\u003eAt 1200 peak Amps, the CNS 1120 is a significantly overpowered motorcycle jump starter — more than enough to start any powersports battery quickly and safely:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eAccess the battery — remove the seat or open the battery compartment as needed\u003c\/li\u003e\n\u003cli\u003eConnect the red jump start clamp to the positive (+) terminal\u003c\/li\u003e\n\u003cli\u003eConnect the black clamp to a clean ground point on the frame or the negative (−) terminal\u003c\/li\u003e\n\u003cli\u003eCrank for no more than 3–5 seconds — powersports batteries are small and recover from a lithium jump pack quickly\u003c\/li\u003e\n\u003cli\u003eOnce running, disconnect and secure the battery compartment\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eATVs, UTVs, side-by-sides, dirt bikes, and personal watercraft with 12V batteries are all compatible with the CNS 1120 jump start function. These vehicles are among the most common seasonal storage scenarios where ISM maintenance charging provides the highest value — keeping the battery at full charge through months of inactivity so the jump start function is rarely needed.\u003c\/p\u003e\u003ch3\u003eCNS 1120 vs CNS 1100 — Why 1200 Amps\u003c\/h3\u003e\u003cp\u003eBoth units share the 1 Amp ISM smart charger. The CNS 1120 steps up to 1200 Amps — providing additional cranking capacity for full-size trucks, SUVs, larger engines, and cold-weather starts where extra peak Amps make the difference.\u003c\/p\u003e\u003ch3\u003eTwo Separate Clamp Sets — Not Interchangeable\u003c\/h3\u003e\u003cp\u003eDedicated charging clamps for ISM maintenance. Dedicated jump start clamps for 1200 Amp cranking. Not interchangeable — engineered for their specific functions.\u003c\/p\u003e\u003ch3\u003eInternal Lithium Jump Pack — Auto-Switch Keeps It Ready\u003c\/h3\u003e\u003cp\u003eThe Charge N Start 1120 automatically switches between charging the external vehicle battery and topping up the internal jump pack when it detects the internal level has dropped — ensuring 1200 Amps of jump starting power is always available when needed. Both functions stay operational without separate charging sessions or devices.\u003c\/p\u003e\u003ch3\u003eThe Prevention and the Cure\u003c\/h3\u003e\u003cp\u003eISM prevents sulfation — the permanent, irreversible cause of most dead batteries in stored vehicles. When unexpected failures occur, 1200 Amps handles the start. One unit covers both outcomes.\u003c\/p\u003e\u003ch3\u003eMulti-Chemistry Charging: Lead-Acid and Lithium\u003c\/h3\u003e\u003cp\u003eThe 1 Amp smart charger supports both lead-acid and Lithium (LiFePO4) battery chemistries with a manual selector delivering the correct ISM charging profile for each type. Compatible battery size range: 14Ah to 80Ah at 12V. Lead-acid: flooded, AGM, gel cell, sealed MF. Lithium: LiFePO4.\u003c\/p\u003e\u003ch3\u003eISM: 4-Stage Smart Charging\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Battery health check before charging begins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 1 Amp output restores depleted capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current tapers automatically as the battery approaches full charge, preventing overcharge damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — Micro-current delivered 24\/7 maintains peak voltage indefinitely without overcharging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePassenger cars and trucks up to 6.0L gas \/ 4.0L diesel\u003c\/li\u003e\n\u003cli\u003eMotorcycles and touring bikes\u003c\/li\u003e\n\u003cli\u003eATVs, UTVs, and powersports vehicles\u003c\/li\u003e\n\u003cli\u003eBoats and personal watercraft\u003c\/li\u003e\n\u003cli\u003eRVs and campers\u003c\/li\u003e\n\u003cli\u003eAny 12V lead-acid or Lithium battery from 14Ah to 80Ah\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Lithium Jump Starters Outperform Lead-Acid Jump Boxes\u003c\/h3\u003e\u003cp\u003eLithium delivers consistent peak Amp output in cold weather when lead-acid units lose capacity most, holds charge for months in storage, and weighs significantly less than equivalent lead-acid jump boxes — staying ready through extended wall-connected maintenance charging without degradation.\u003c\/p\u003e\u003ch3\u003eSafety Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof connection on both clamp sets\u003c\/strong\u003e — no current flows until connection is confirmed correct\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReverse polarity protection on both clamp sets\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOvercurrent protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e1-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":52241550901522,"sku":"030-7012-WH","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1929\/4483\/files\/030-7012-WH_wClips.jpg?v=1777901517","url":"https:\/\/hdwerks.net\/products\/charge-n-start-1120-1-amp-battery-charger-1200-amp-jump-starter","provider":"HDwerks ","version":"1.0","type":"link"}