Yuasa YUMICRON YUA00ACC04 Manuel d'utilisateur télécharger pdf (Page 22)

TAPER CHARGER: Similar to the trickle charger, the

automatic taper charger charges at a fixed voltage. As

the battery’s voltage increases with the amount of charge,

the current drops accordingly.

A drawback of both the automatic taper and trickle

chargers is speed... they don’t have it. As the chart on

page 21 shows, it can take days to bring a discharged

battery up to 100%. Here, too, check batteries for over-

heating as they charge.

CONSTANT CURRENT CHARGER: A professional-

quality charger, the constant current makes charging

simple. It maintains a constant supply of current to the

battery at all levels of charging. You select the charging

current. As the battery voltage increases with the amount

of charge, this charger automatically increases the charging

voltage to maintain the current output.

CHARGER/MAINTAINER: This type of charger

monitors the voltage constantly during charging and

Battery Voltage Reading Using a Voltmeter

State of Sealed CX &

Charge VRLA YuMicron Conventional

100% 13.0v 12.7v 12.6v

75% 12.8v 12.5v 12.4v

50% 12.5v 12.2v 12.1v

25% 12.2v 12.0v 11.9v

0% 12.0v or less 11.9v or less 11.8v or less

POINTS TO REMEMBER

❐ Fully charge battery when new and keep it fully charged.

❐ Test charging batteries as necessary for overheating, water and state

of charge.

❐ Trickle and taper chargers are generally slow.

❐ Constant current and pulse chargers are professional quality.

❐ High rate charger can cause battery damage.

Charging a New Standard Battery

The most important thing to remember about charging a

new battery is do it!

A battery out of the box with only adding electrolyte is

approximately 80% charged. Our recommendation is to

initial charge, bringing the battery to 100% before use.

This completes the electrochemical process. However, a

long ride with a regulated charging system may also bring

the battery’s capacity to a higher level.

Note: See “Section 5” for charging sealed VRLA

batteries.

standby modes. When battery voltage reaches a speci-

fied low level, the charger/maintainer then delivers a full

charge. Then when the battery gets to the specified volt-

age, it automatically drops to a float charge.

HIGH RATE CHARGER: Not for use with small engine

starting batteries. They force a high current into the bat-

tery, which can lead to overheating and plate damage.

SECTION

Inspecting, Testing

and Charging

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 43 44

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Yuasa YUMICRON YUA00ACC04 Manuel d'utilisateur Page 22

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