La Crosse Technology BC-900 User Manual (English)

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BATTERY CHARGER BC-900

Instruction Manual

INTRODUCTION:

Congratulations on purchasing this intelligent charging unit which enables quick and optimum charging to “AA” and “AAA” rechargeable batteries. With

charging, discharging, refreshing and capacity test functions as well as individual LCD displays for charging compartments; this charging unit is reliable,

user-friendly and ideal for use in the home, office or on a journey.

The Charging unit

CAUTIONS:

1. The charger is restricted to charging NiCd and NiMH rechargeable batteries only. Never use this charger for other types of batteries such as

alkaline, lithium, carbon zinc or other types that are not specified.

2. The charging unit shall only be used at normal indoor room conditions.

3. Always follow the charging instructions for the rechargeable battery. Observe the recommended charging current of the rechargeable batteries.

Never use a charging current higher than recommended in the charging process.

4. Never use any power cable and transformer other than those originally supplied with the charging unit.

5. The rechargeable batteries may become hot during charging (especially when a high charging current is chosen). User shall take extra care when

taking out the batteries after charging.

6. Unplug the charging unit from the power source when not in use.

FEATURES:

The Charging unit

Charging rechargeable battery in various current (200, 500, 700 or 1000 mA). The charging current can be set up to 1500 or 1800 mAh when two

batteries are charged.

Fast charging – 70 mins to charge up 2000 mAh batteries

Individual LCD display for all compartments

Charging both “AA” and “AAA” rechargeable batteries simultaneously

Overheat detection to protect rechargeable batteries from over-charging

Minus delta voltage (-dV) detection for charge termination

Damaged batteries detection

Discharge mode (first discharging and then charging) to remove memory effect of rechargeable batteries

Refreshing old rechargeable batteries by discharging/ charging cycles

Test function to check the capacities of rechargeable batteries

Charging/ Discharging functions can be launched independently and simultaneously to each rechargeable battery in the compartments

Various display modes during charging/ discharging – the charging current (in mA), time elapsed (in hh:mm), the terminal voltage (in V) and

accumulated capacities (in mAh or Ah)

INVENTORY OF CONTENTS

1. Charging unit

2. Transformer

3. Size “C” battery adapter (4) & Size “D” battery adapter (4)

4. Holding Bag

5. “AA” rechargeable battery (4) & “AAA” rechargeable battery (4)

6. Instruction Manual

FUNCTION KEYS:

There are three easy-to-use function keys and four number keys on the charging unit:

Compartment Number key

Press and release the Number key to select a particular battery compartment for charge modes and/or display mode adjustment.

MODE key

The mode key shall first be pressed and held for 1 second to activate the mode change. The subsequent pressing of the mode key will toggle between

the “Charge”, “Discharge”, “Test” and “Refresh” mode. To change the operating mode for an individual rechargeable battery, first press the corresponding

NUMBER key then press the MODE key.

DISPLAY key

Press and release to select the displays of the charging current (in mA), time elapsed (in hh:mm), the terminal voltage (in V) and accumulated capacities

(in mAh or Ah) during the charging or discharging process.

To change the display content of a particular rechargeable battery, first press the corresponding NUMBER key then press the DISPLAY key.

Compartment

Number keys

DISPLA

MODE key

CURRENT key

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La Crosse Technology BC-900 Specifications

General

Input Voltage	100-240V AC
Battery Types Supported	NiMH, NiCd
Battery Sizes	AA, AAA
Charge Channels	4
Discharging Current (AAA)	100mA, 250mA, 350mA, 500mA
Operating Modes	Charge, Discharge, Refresh, Test
Display	LCD
Refresh Function	Yes
Test Function	Yes
Output Voltage	1.2V
Charging Current (AA)	200mA, 500mA, 1000mA
Charging Current (AAA)	200mA
Discharging Current (AA)	100mA, 250mA, 350mA, 500mA