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Optima Digital 400 - User Manual

Optima Digital 400
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User Guide
Certificado a cumplir con:
Certifié conforme à :
UL 1236
CSA C22.2 No. 107.2
FCC Class B
Your Satisfaction is Important to Us!
Please do not return this product to the retailer or dealer for any service or warranty requirements.
For technical or warranty support please call OPTIMA
®
customer service at 1-888-867-8462 (888-8OPTIMA)
between 9am-5pm (CST) Monday through Friday, or via email at info@optimabatteries.com
Thank you. OPTIMA
®
Customer Service. Must have receipt for warranty.
WARNING - Failure to follow instructions may cause explosion, blindness or other serious injury.
Always shield eyes. Safety glasses should be worn when working with or near a battery.
Specifications subject to change without notice
09/12 A
OPTIMA
5757 N. Green Bay Ave.
Milwaukee, WI 53209
888.8OPTIMA (888.867.8462)
www.optimabatteries.com
Certified to:
UL 1236
CSA C22.2 No. 107.2
FCC Class B
Technical Specifications:
AC Input: 100 to 120 VAC, 60 Hz, 0.75 Amps
DC Output: Up to 14.9 VDC Digitally & Temperature Controlled
Charge Mode: Up to 4 Amps (Large Batteries), Up to 3 Amps (Small Batteries)
Battery Types: AGM and Flooded (Lead Acid) Batteries
- 12V Auto / Marine
- 12V Motorcycle / Power Sports
12V OPTIMA and High Performance AGM Batteries
- Starting AGMs include OPTIMA REDTOP & BLUETOP
- Dual Purpose AGMs include OPTIMA YELLOWTOP & BLUETOP
Cables: 6’ AC and DC Cables
Size: 7.1” x 3.9” x 2.7”
Especificaciones técnicas:
Entrada de CA: 100 a 120 V CA 60 Hz, 0.75 amperios
Salida de CC: Hasta 14.9 V CC control digital y de temperatura
Régimen de carga: Hasta 4 amperios (abrazaderas), hasta 3 amperios (Motorcycle/Powersports)
Tipos de baterías: Baterías AGM e inundadas (plomo-ácido)
- 12 V para automóviles / uso marítimo
- 12 V para motocicletas / equipo deportivo
Baterías OPTIMA y AGM de alto rendimiento de 12V
- Las baterías de arranque AGM incluyen OPTIMA REDTOP y BLUETOP
- Las baterías AGM de doble propósito incluyen OPTIMA YELLOWTOP y BLUETOP
Cables: Cable de CA y CC de 6 pies
Size: 18 x 9,9 x 6,7 cm
Caractéristiques techniques :
Entrée CA : 100 à 120 V c.a. 60 Hz, 0.75 ampères
Sortie CC : Jusqu’à 14,9 V c.c.contrôle numérique et de température
Intensité de charge : Jusqu’à 4 ampères (pinces), jusqu’à 3 ampères
(motorcyclette/engin de sport motorisé)
Types de batteries : Batteries AGM et noyées (accumulateur au plomb)
- 12 V applications automobiles / nautiques
- 12 V applications moto / véhicules ATV
Batteries OPTIMA et AGM haute performance 12 V
- Les batteries de démarrage AGM incluent OPTIMA REDTOP et BLUETOP
- Les batteries AGM à double système incluent OPTIMA YELLOWTOP et BLUETOP
Câbles : Câble CA et CC de 6 pis
Size: 18 x 9,9 x 6,7 cm
For use with 110 Volt 60 Hz AC power consistent with U.S. and Canadian standards
Year
Year
3
Model Number: Digital400 Serial Number: Date of Purchase:
PLEASE RECORD YOUR:
Digital 40 0
Digital 40 0
12V Performance Maintainer
and Battery Charger
IMPORTANT SAFETY INSTRUCTIONS
PLEASE READ & SAVE THESE INSTRUCTIONS
The Digital 400 user guide contains important safety and operating instructions. In addition, important
safety warnings are often found on batteries and in vehicle owner’s manuals. Please read and follow
all of the warnings, the battery and vehicle manufacturer’s instructions and cautionary markings for
the battery you are charging before applying AC power and operating the Digital 400.

Questions and Answers

  • H
    Henry HarringtonJul 26, 2025
    What to do if my Optima Battery Charger shows 'Charger Hi-Temp - Fault Condition'?
    • C
      christopherscottJul 26, 2025
      If your Optima Battery Charger displays a 'Charger Hi-Temp - Fault Condition', it means the ambient or unit temperature is too high for charging. The charger will automatically resume charging when the temperature is appropriate. This is common when recharging a deeply discharged battery to protect both the charger and battery. Charging will resume in 3 to 15 minutes, depending on the ambient temperature and battery condition. Ensure the unit is not covered or enclosed, and use the hood latch, wall bracket hook, or kickstand for placement.
  • D
    David HamptonAug 2, 2025
    What to do if my Optima Battery Charger says 'Unable to Charge - Check Battery'?
    • K
      Kathleen JohnsonAug 2, 2025
      If your Optima Battery Charger shows 'Unable to Charge - Check Battery', it could be because the battery voltage is too low. Check the battery voltage; if it's greater than 12.0 volts, restart the charger once. If it fails again, have the battery tested by a dealer. For deeply discharged batteries, consider using the Digital 1200 for better recovery, faster charging, and prolonged battery life.
  • D
    danielkerrAug 7, 2025
    What to do if my Optima Battery Charger displays 'Out of Range - Battery > 17V'?
    • S
      Sandra ShermanAug 7, 2025
      If your Optima Battery Charger shows 'Out of Range - Battery > 17V', it indicates that the battery voltage is too high. Check if there is another battery connected and remove it. Also, verify there isn't another charger or maintainer connected; remove it if present. Ensure the engine is off. It's recommended to have a dealer check your battery and charging system.
  • T
    Thomas SalazarAug 13, 2025
    How to fix 'Reverse Polarity - Wiring Fault' on Optima Digital 400 Battery Charger?
    • J
      Jeffrey Gonzalez Jr.Aug 13, 2025
      To fix a 'Reverse Polarity - Wiring Fault' on your Optima Battery Charger, check the connection of the red positive cable clamp or ring terminal to the positive post.
  • N
    Norma MillerAug 19, 2025
    What to do if Optima Battery Charger shows 'Check Connection or Battery < 1.25V'?
    • J
      Julie ParksSep 12, 2025
      If your Optima Battery Charger displays 'Check Connection or Battery < 1.25V', it suggests the battery voltage might be too low. Ensure both leads from the charger are connected correctly to the battery, and verify the connection type (clamps or ring terminal) is correct. If the battery is under 1.25VDC, another battery may be used in parallel to start the charging process, and then be removed. Also, verify the auxiliary ring terminal connector is securely plugged into the charger.

Summary

Technical Specifications Overview

Introduction to the OPTIMA Digital 400

Essential Safety Instructions

General Warnings and Precautions

Covers risks of explosive gases, sparks, electric shock, and general usage warnings.

Extension Cord and AC Power Connection Safety

Guidelines for safe extension cord use and proper AC power outlet connection.

Personal Safety and Battery Preparation

Personal safety, handling battery acid, and preparing the battery for charging.

Charger Location and DC Connection

In-Vehicle Battery Charging Safety

Out-of-Vehicle Battery Charging Safety

Battery Handling and Acid Safety

Product Overview and Performance

Getting to Know Your Charger

Charger Features Identification

Identifies key components like LED/LCD gauge, selectors, clamps, and storage.

Charging Modes and Display Indicators

Explains temperature compensation, connection status, fault indicators, and display modes.

Battery Type Selection Guide

Operating Instructions: Setup Methods

Charging with DC Clamps in Vehicle

Step-by-step guide for connecting clamps to battery and chassis in a vehicle.

Charging with Ring Terminal Cables

Instructions for using ring terminals for permanent or hardwired battery connections.

Quick Set Operations

Pre-Charge Battery Status Check

How to check battery charge status before initiating a charge cycle.

Selecting Charging Profiles by Battery Type

Guide to choosing the correct charge profile based on battery type and size.

Fault Screens and Troubleshooting

Storage, Care, and Technical Specifications

Technical Support and Warranty Information

Optima Digital 400 Specifications

General IconGeneral
MaintainerYes
Input Voltage120V AC
Charging Current4A
Weight2.2 lbs
Battery Voltage6/12V
Charge Rate4A
Battery TypeAGM, GEL
Output Voltage6/12V DC
CompatibilityPowersport, Marine, RV

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