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and Battery Tender®'s ISM (Infinite Sequential Monitoring™) algorithm to ensure the battery is never overcharged and never left to sulfate
and support vehicle batteries across chemistry types
deep-cycle marine batteries
Crank for up to 5 seconds — most vehicles start within 1–3 attempts
CNS 1120 vs CNS 1100 — Why 1200 Amps
Power Tender® 10 Amp Multi-Chemistry 12V Battery Charger and Maintainer 3 AMP and Battery Tender®'s ISM (InfiniteThe highest output charger in the standard Battery Tender lineup with full Multi Chemistry support for both lead acid and Lithium batteries. The Power Tender 10 Amp Multi Chemistry IP67 delivers 10 Amp charging for large battery banks, deep cycle marine batteries, and heavy duty automotive applications with IP67 full immersion waterproofing and ISM (Infinite Sequential Monitoring) precision that transitions from rapid charging to indefinite float