40A Battery Charger – Kisae AC1240
The AC1240 is a 40A multi-stage battery charger designed for deep-cycle battery systems in marine and RV applications. It supports charging up to 3 battery banks with selectable profiles for gel, AGM, flooded, and lithium-ion batteries.
The AC1240 delivers 40A charging current at 14.2–15.5 VDC output with 700W power capacity and >82% efficiency. Multi-stage charging algorithms optimize charge profiles for different battery chemistries, reducing charge time and extending battery life.
Compact form factor suits installations with space constraints. Selectable charging modes accommodate gel, AGM, flooded, and lithium-ion battery types, plus a programmable mode for custom applications.
APPLICATIONS
Primary use cases.
Marine Vessels
Multi-bank charging for auxiliary and house battery systems on cruising sailboats and powerboats.
RV and Off-Grid Systems
Dry-camping and boondocking applications requiring reliable deep-cycle battery replenishment from AC shore power or generator.
TECHNICAL DATA
Complete specifications and tolerances for the 40A Battery Charger – Kisae AC1240.
| PARAMETER | SPECIFICATION |
|---|---|
| Model | AC1240 |
| Output Voltage | 14.2–15.5 VDC |
| Output Current | 40 A |
| Power Rating | 700 W |
| Efficiency | >82% |
| Battery Bank Capacity | Up to 3 banks |
| Supported Battery Types | Gel, AGM, Flooded, Lithium-Ion, Programmable |
TECHNICAL FAQ
Common specifications and regulatory inquiries.
How many battery banks can the AC1240 charge simultaneously?
What battery chemistries does the AC1240 support?
What is the physical footprint?
What is the efficiency rating?
SUPPLEMENTARY FILES
Data Sheets, Manuals, and Technical Specifications.