[{"id":465271849216,"handle":"all","title":"All Products","updated_at":"2026-07-02T07:54:28-04:00","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":418678833408,"handle":"automotive-rv","title":"Automotive\/RV","updated_at":"2026-07-02T07:12:27-04:00","body_html":null,"published_at":"2024-05-02T15:55:15-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Automotive\/RV"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":466703155456,"handle":"automotive-rv-battery-chargers","title":"Automotive\/RV - Battery Chargers","updated_at":"2026-06-29T12:33:25-04:00","body_html":null,"published_at":"2025-12-01T21:32:16-05:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Automotive\/RV | Battery Chargers"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":418011218176,"handle":"best-selling-collection","title":"Best selling products","updated_at":"2026-07-02T07:54:28-04:00","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":"2026-07-02T07:54:28-04:00","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":"2026-07-02T08:15:32-04:00","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":"2026-07-02T07:13:20-04:00","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":"2026-07-02T07:54:28-04:00","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"},{"id":418683126016,"handle":"winterizing","title":"Winterizing","updated_at":"2026-07-02T06:59:26-04:00","body_html":null,"published_at":"2024-05-02T17:56:08-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Winterizing"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"},{"id":418703343872,"handle":"winterizing-battery-management","title":"Winterizing - Battery Management","updated_at":"2026-07-02T06:59:26-04:00","body_html":null,"published_at":"2024-05-03T05:47:25-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Winterizing | Battery Management"},{"column":"variant_inventory","relation":"greater_than","condition":"0"}],"published_scope":"web"}]
["Automotive\/RV","Automotive\/RV | Battery Chargers","Brand_Battery Tender","Clearance","Electrical","Electrical | Battery Chargers","MRP","Restricted From 3rd Party Platforms","Specials","Winterizing","Winterizing | Battery Management"]
Skip to content
Use this bar to show information about your cookie policy.
12V, 800mA Lead Acid/Lithium Selectable Battery Charger
The Battery Tender® Junior 800 is the perfect versatile charger for lithium or lead-acid batteries in your motorcycle or other power sports vehicle. This 12V, 800mA charger can extend your battery’s lifetime and switch between charging AGM, lead-acid, GEL, flooded, and lithium (LifePO4) batteries.
Compact and easy to use, this charger has a 12-foot output cord, fused alligator clips, and a ring terminal harness for hard-to-reach spaces.
Unlike typical trickle chargers that can overcharge a battery and cause damage when connected for too long, our advanced charger and maintainer provide a full charge before switching to float mode to keep your battery at an optimal level.
The Junior 800 selectable battery charger will keep your battery fully charged so it is ready to go when you are!
Includes:
12V, 800mA selectable lead-acid/lithium (LifePO4) battery charger with LED status light to show battery status
Fused ring terminal accessory cable for hard-to-reach batteries
Fused alligator clip accessory cable for an alternate connection
5-year warranty and lifetime customer support
Specifications:
Output: 12V @ 800mA
Compatibility: lithium (LifePO4), lead-acid, AGM, and gel batteries
Dimensions: 4 x 2 x 1.37 inches, 1 lb (charger only)
Reach: 12’ output cord and 18" alligator clip cable or 18" ring terminal cable
Specifications:
Charger Input - Voltage: 120v
Charger Output - Amps: 800mA
Charger Output Voltage: 12v
Charging Banks: 1
Portable: Yes
Box Dimensions: 4"H x 6"W x 9"L WT: 1.4 lbs
UPC: 734357219906
Owner's Manual (pdf)