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*The timer will be resumed and counted from 00:00 again after the time elapsed is longer than 20 hours. (For example, 1:45 will be shown after the 
battery has been refreshed for 21 hr and 45 min.

 
THE SIZE C AND SIZE D BATTERY ADAPTERS (FREE ACCESSORY) 

The battery adapters are used for connecting the AA battery to devices requiring Size C or D batteries. To apply the adapter: 
1. 

Install the AA battery into the Size C or Size D adapter as below. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2. 

Ensure the polarity is correct and the assembling condition is good.   

Note:

   

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User shall stop using the adaptor when there are any cracks or damages observed in the adaptor, and in case undesired smell comes out while 
applying the adapter in certain kinds of battery operated devices. 

 
CARE AND MAINTENANCE: 

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Extreme temperatures, vibration and shock should be avoided as these may cause damage to the unit 

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When cleaning the displays and casings, use a soft damp cloth only. Do not wet the exposed metal part of the charging unit. Do not use solvents or 
scouring agents as they may mark the LCD and casing. 

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Do not spill water to the charging unit. 

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Do not make any repair attempts to the units. Return it to its original point of purchase for repair by a qualified engineer. Opening and tampering 
with the units may invalidate its guarantee. 

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Do not expose the unit to extreme and sudden temperature changes, this may lead to damage to the electronic parts in the unit. 

 

SPECIFICATIONS: 

Input voltage for AC/DC adapter    

100-240 VAC   

Charging current range 

 

 

200 mA - 1800 mA 

Max charging capacity 
(capacity of rechargeable batteries) 

 

3000 mAh 

Dimensions (H x W x D) 

 

 

5 x 3 x 1.5” 

(129 x 75 x 37.2 mm) 

 
LIABILITY DISCLAIMER: 

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The manufacturer and supplier cannot accept any responsibility for any improper or incorrect use and any consequences occur.   

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Any performance of repairs or alternations by someone other than the original supplier will invalidate the warranty. 

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This product is only designed to be used by people who have read and understood this instruction manual. 

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The specifications of this product may change without prior notice.   

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This product is not a toy. Keep out of the reach of children. 

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No part of this manual may be reproduced without written consent of the manufacturer. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

The AA battery used with the 
Size C adapter 

The AA battery used with the Size D 
adapter (it is required to place the 
battery into the “C” adapter first 
and then the “D” adapter)

Summary of Contents for BC-900

Page 1: ...t detection to protect rechargeable batteries from over charging z Minus delta voltage dV detection for charge termination z Damaged batteries detection z Discharge mode first discharging and then charging to remove memory effect of rechargeable batteries z Refreshing old rechargeable batteries by discharging charging cycles z Test function to check the capacities of rechargeable batteries z Charg...

Page 2: ...ther hand when charging three or four rechargeable batteries at the same time user may select a charging current of 200 500 700 or 1000 mA The estimated time of charging by various charging current is tabulated in Table 1 Table 1 Charging Time with various charging current Size of battery Battery Capacity Charging current selected Estimated charging time 1800 75 min 1500 90 min 1000 2 hr 15 min 70...

Page 3: ...le batteries are restricted by the current setting of the first inserted rechargeable battery For instance if the first inserted rechargeable battery is set to charge at 700 mA then the second third and fourth rechargeable batteries can be only set to charging at a maximum current of 700 mA Therefore the user is advised to place the battery with the highest expected charging current in Compartment...

Page 4: ...e and Table 2 within 8 seconds after inserting the batteries Or the display will blink once to indicate the end of setting and the current cannot be changed afterward z It may take up to several days to finish the refreshing process depending on the selected discharging current z The maximum refresh current is 1000 mA and is not affected by the number of rechargeable batteries inserted TEST MODE I...

Page 5: ...nt Full stage Instantaneous Battery voltage Trickle charging current Charging time elapsed Accumulated capacity Table 6 Various displays in Refresh Mode Various displays toggled by pressing DISPLAY key Stage in Refresh mode Voltage V Current mA Time hh mm Capacity mAh Ah During discharging processes Instantaneous Battery voltage Discharging current Discharging time elapsed Capacity during discharg...

Page 6: ...ot make any repair attempts to the units Return it to its original point of purchase for repair by a qualified engineer Opening and tampering with the units may invalidate its guarantee z Do not expose the unit to extreme and sudden temperature changes this may lead to damage to the electronic parts in the unit SPECIFICATIONS Input voltage for AC DC adapter 100 240 VAC Charging current range 200 m...

Page 7: ...hnology Ltd authorized service center La Crosse Technology Ltd will pay reasonable return shipping charges to the owner of the product Your La Crosse Technology Ltd warranty covers all defects in material and workmanship with the following specified exceptions 1 damage caused by accident unreasonable use or neglect including the lack of reasonable and necessary maintenance 2 damage occurring durin...

Page 8: ...y com All rights reserved This handbook must not be reproduced in any form even in excerpts or duplicated or processed using electronic mechanical or chemical procedures without written permission of the publisher This handbook may contain mistakes and printing errors The information in this handbook is regularly checked and corrections made in the next issue We accept no liability for technical m...

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