Battery Tender® 4-Bank 12V 1.25 Amp Battery Charger and Maintainer Marine Each bank independently runs the

Each bank independently runs the full 4-stage ISM algorithm:

large AGM automotive batteries

Complete Battery Coverage

or in outdoor equipment bays where water exposure is unavoidable

9 kW — practical for overnight PHEV charging or daily EV range top-ups for low-mileage drivers

Battery Tender® 4-Bank 12V 1.25 Amp Battery Charger and Maintainer Marine Each bank independently runs theFour vehicles. One charger. The Battery Tender 4 Bank 12V 1. 25 Amp is the standard for multi vehicle storage four completely independent ISM (Infinite Sequential Monitoring) charging circuits, each running at full 1. 25 Amp output, simultaneously maintaining up to four 12V batteries in any combination of charge state. For collectors, dealerships, rental operations, and households with multiple vehicles in seasonal storage, the 4 Bank is the single