OPTIMA D400+ Digital 12V Battery Maintainer and Charger

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OPTIMA D400+ Digital 12V Battery Maintainer and Charger

Overview

Keep your batteries in peak condition with the OPTIMA D400+ 12V Performance Battery Maintainer and Charger. Designed for a wide range of battery types including OPTIMA AGM, Lithium, 12V auto and marine, powersport AGM, and flooded batteries, this versatile charger ensures reliable charging, maintenance, and long battery life.

With a digital battery type selector, four-color LED status bar, and illuminated LCD screen, the D400+ gives precise insights into battery voltage, state of charge, and charging current. Built-in energy saver and automatic maintenance modes make it safe for both short and long-term storage. Advanced safety features such as spark-free connection, reverse polarity protection, and over-temperature monitoring ensure secure and worry-free operation.

Key Features:

Digital Battery Type Selector: Easily switch between AGM, Lithium, Auto and Marine, and Powersport lead-acid batteries.
Four-Color LED Status Bar: Shows Analyze, Charging, Conditioning, and Auto Maintain stages.
Illuminated LCD Screen: Displays battery voltage, charging current, and charge status.
Pre-Charge Status Gauge: Ensures safe and efficient charging by monitoring battery voltage before starting.
Built-In Energy Saver: Maintains battery health during short or long-term storage.
Safety Protections: Spark-free connection, reverse polarity, and over-temperature detection.
Charging Current: 4 Amps providing rapid and safe peak charging.
Dimensions: 7 inches depth by 3 inches width by 9 inches height for compact installation.
Weight: 1.41 kilograms for lightweight portability.
Complete Package: Includes user manual, 6 ft AC and DC cables, wall organizer bracket with mounting hardware, battery clamp cable, ring terminal cable, and OPTIMA LiFePO4 POWERLINK cable.
Warranty: 3-Year Manufacturer Warranty.

Ideal For:

Maintaining and charging automotive, marine, and powersport batteries.
Protecting AGM, Lithium, and flooded lead-acid batteries.
Long-term storage without battery degradation.
Car, truck, boat, and powersport owners seeking a connect-and-forget battery solution.
Users needing safe, spark-free, and automatic battery maintenance.

What's in the Box:

OPTIMA D400+ Battery Maintainer and Charger ×1
User Manual ×1
6 ft AC Cable ×1
6 ft DC Cable ×1
Wall Organizer Bracket with Mounting Hardware ×1
Battery Clamp Cable ×1
Ring Terminal Cable ×1
OPTIMA LiFePO4 POWERLINK Cable ×1

FAQs

Which battery types are compatible with this charger?

It works with OPTIMA AGM, Lithium, automotive lead-acid, marine, and powersport batteries.

Can I leave the charger connected long-term?

Yes, the built-in Auto Maintain and Energy Saver mode safely maintains batteries over extended periods.

Does it prevent overcharging?

Yes, the charger monitors battery voltage and automatically transitions to maintenance mode to prevent overcharging.

Is it safe to connect in reverse by mistake?

Yes, it features reverse polarity protection to prevent damage from accidental misconnection.

Can I use it outdoors?

It is designed for indoor or protected use. Avoid exposure to rain or extreme conditions.

How fast does it charge a standard 12V battery?

The 4 Amp peak current provides safe and efficient charging. Exact time depends on battery size and condition.

What safety features are included?

It offers spark-free connections, over-temperature protection, and pre-charge voltage monitoring.

Does it work for lithium LiFePO4 batteries?

Yes, the OPTIMA POWERLINK cable allows safe charging of LiFePO4 batteries.

Is professional installation required?

No, all necessary cables and mounting hardware are included for easy setup.

What warranty is provided?

The charger comes with a 3-year manufacturer warranty for peace of mind.