[{"id":465271849216,"handle":"all","title":"All Products","updated_at":"2026-07-07T07:15:59-04:00","body_html":"","published_at":"2025-11-13T06:21:51-05:00","sort_order":"best-selling","template_suffix":"all-products","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0.00"},{"column":"variant_price","relation":"less_than","condition":"4600.00"}],"published_scope":"global"},{"id":418011218176,"handle":"best-selling-collection","title":"Best selling products","updated_at":"2026-07-07T07:15:59-04:00","body_html":null,"published_at":"2024-04-24T09:08:18-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":431287468288,"handle":"boat-show-special","title":"Boat Show Special","updated_at":"2026-07-07T07:15:59-04:00","body_html":"","published_at":"2024-10-10T11:02:10-04:00","sort_order":"manual","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"not_equals","condition":"Rainman Watermakers"},{"column":"vendor","relation":"not_equals","condition":"Epoch Batteries"}],"published_scope":"global"},{"id":418679456000,"handle":"electrical","title":"Electrical","updated_at":"2026-07-07T00:35:59-04:00","body_html":null,"published_at":"2024-05-02T16:04:44-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Electrical"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":418680439040,"handle":"electrical-battery-chargers","title":"Electrical - Battery Chargers","updated_at":"2026-07-06T14:36:01-04:00","body_html":null,"published_at":"2024-05-02T16:24:43-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Electrical | Battery Chargers"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":418011185408,"handle":"new-collection","title":"New products","updated_at":"2026-07-07T07:15:59-04:00","body_html":null,"published_at":"2024-04-24T09:08:17-04:00","sort_order":"created-desc","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"}],"published_scope":"web"}]
["Brand_Sentry","Electrical","Electrical | Battery Chargers"]
Skip to content
Use this bar to show information about your cookie policy.
Marine Battery Charger 115/230V Input 24VDC - 40A - 3-Bank
Sentry SFR Ferroresonant series marine battery chargers are in an elite class, setting the standard for dependable battery chargers. Sentry chargers are designed to operate for decades in the harsh marine environment. They are completely field serviceable and come with a 2-year parts and labor warranty.
Features:
Available in 12vdc, 24vdc and 32vdc models
Completely charge the battery and turn off to prevent overcharging
Ignition protected to allow engine room installations
Charging outputs for Lead-Acid, Optional AGM, Gel, and Lead Calcium
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications:
Charger Input - Voltage: 115/230v
Charger Output - Amps: 40a
Charger Output Voltage: 24vdc
Charging Banks: 3
Portable: No
Box Dimensions: 10"H x 20"W x 20"L WT: 38.5 lbs
UPC: 850046155925
Quick Guide (pdf) Owner's Manual (pdf)
