Thunder 8A, 20A User Manual

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For your personal safety read, understand and
follow the information provided in this instruction
manual & on the battery charger.

This automatic battery charger is a sophisticated
IP65 water-resistant 8 stage charger, utilising fully
automatic computer system control, designed to
charge most 12 Volt GEL, AGM, Lead Acid and
Calcium batteries.

CONGRATULATIONS ON
YOUR PURCHASE OF YOUR
THUNDER BATTERY CHARGER!

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• Heavy duty design.

• Fully automatic 8 stage charging.

• Pulse mode technology that reduces oxidation, evens electrolyte consistency
and combats stratification in the battery, equating to longer battery life.

• IP65, CE, EMC, SAA and C-TICK Approved, making it ideal for automotive
and marine situations.

• Compatible with GEL, AGM, Calcium, Deep Cycle and conventional flooded
Lead Acid batteries.

• Internal charger temperature monitoring and power output control.

• Calcium charge map selected with push button and LED indicators.

• Charger selects correct charge map automatically for GEL, AGM,
Deep Cycle and conventional flooded Lead Acid batteries.

• LED display showing battery capacity status and warning indicators.

• Zero volt minimum battery start up - can charge a completely
discharged battery.

• Over charging, short circuit and over temperature protection.

• Reverse polarity protection with visual alerts.

• Permanent connection lead supplied with charger for vehicles that
require frequent charging such as classic cars, motorcycles marine craft
or heavy duty equipment.

FEATURES & BENEFITS

Features & Benefits

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1. During the charging process, do not use a naked flame near a battery.

Batteries generate explosive gasses during the charging process that
may explode.

2. Never smoke or light cigarettes near a battery.

3. Do not place tools on top of a battery or allow tools to fall on the battery

to prevent the chance of a short circuit and sparks.

4. Always wear eye protection when charging a battery.

5. Ensure charging and testing is conducted in a well ventilated area.

6. Ensure the chargers ventilation holes are not obstructed. Inadequate

ventilation may over-heat the charger and cause in-efficient operation.

7. This battery charger is not intended for outdoor operation.

Do not expose it to moisture or extreme weather conditions.

8. If skin or clothing comes in contact with battery acid, flush the affected

area immediately with water. Seek medical attention if necessary.

9. The battery charger contains hazardous voltages.

There are no user serviceable components inside. If the AC supply cord is
damaged, in order to avoid a hazard it must be replaced by the manufacturer,
service agent or equally qualified person.

To avoid any personal injury, please read the following safety instructions. This battery charger is not intended for use by young children or infirm persons
without supervision.

NOTE:
The warnings, cautions and instructions detailed in this instruction manual cannot cover all possible conditions and situations that may occur.

Common sense and caution are factors which cannot be built into this product and must be supplied by the operator.

IMPORTANT SAFETY WARNINGS

FOR AUTOMOTIVE 12 VOLT USE ONLY, NOT TO BE USED WITH DRY CELL BATTERIES.

Important Safety Warnings