30
BATTERY TEST
SoundTouch™ Portable Battery Test
Connect the SoundTouch Portable to a
computer as shown in the TAP command
set up procedure on pages 24 and 25.
Note: The battery must meet the following
requirements:
1. Time Since Production: < 30 months
2. Battery Capacity: > 78%
3. Voltage Balance: < 70mV
4. Number of Cycles < 100
5. Charge Current: between 0.90 and 1.25
amps
6. Charge Current Wi-Fi Module: between
-0.27 and -0.38 amps
The battery tests are run by sending TAP
commands from a PC to the SoundTouch
system. All battery tests with the exception of
the “Charge Current Wi--Fi Module” should
be done with power applied.
1.0 Time Since Production
1.1 The four digit DOM listed within the serial
number printed on the battery (not on the
system) can be used to determine the
batteries age. If the battery is more than 30
months old, it should be replaced.
Serial Number Example -
059752Z
31382392AE
The first 6 characters identify the product
code - 059752.
Characters 8 to 11 identify the DOM -
3138 = the 313th day of 2013.
1.1 The TAP command “ba 5” can also be
used to determine the date of manufacture.
Enter “ba 5”. The results will look similar to:
Battery build date: raw=17074, 05/18/2013
2.0 Battery Capacity
2.1 Connect power to the SoundTouch Por-
table.
2.2 Enter “ba = 24”.
The results are returned in hex, convert this
to decimal.
Passing is a returned value greater than
2000, which is approximately 78% of the
nominal battery
capacity.
Example -
->ba = 24
Register 24: 2362
3.0 Charge Current
3.1 Enter “ba 2”.
The results will look similar to:
Battery current: 1.039 A
Verify the result is between 0.90 and
1.25 A.
Note: If the Battery is above 90% charged, the
charge current test is not valid. Ensure the
battery is not charged above 90% before
performing this test by entering the “ba 8”
command.
Battery test continued on next page
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