Performance may vary depending on, but not limited to cell usage and application.
If cell is used outside specifications, performance will diminish. All specifications
are subject to change without notice. All information provided herein is believed,
but not guaranteed, to be current and accurate. Copyright © 2005-2008 Valence
Technology, Inc.
Revision Date October 2008
12303 Technology Blvd., Suite 950, Austin, TX 78727, USA
Phone (888) VALENCE or +1 (512) 527-2900, Fax +1 (512) 527-2910
Unit 63 Mallusk Enterprise Park, Mallusk Drive, Newtownabbey, UK
Phone +44(0) 28 9084 5400, Fax +44(0)28 9083 8912
Email:
, Web site:
www.valence.com
T
ABLE OF
C
ONTENTS
1.
C
ONTACT
I
NFORMATION
..................................................................................................... 3
2.
S
AFETY
I
NFORMATION
........................................................................................................ 5
2.1 Internal Protection Features ...........................................................................................................6
3.
B
EFORE
Y
OU
S
TART
.......................................................................................................... 7
3.1 General information ........................................................................................................................7
Table 1: Shows charge voltage ratings for packs connected in 1, 2, 3 or 4 in series.
..............8
4.
C
ONTENTS
/T
OOLS
R
EQUIRED
............................................................................................. 8
Table 2: Contents and tools required ................................................................................................8
5. Installation....................................................................................................................... 8
5.1 Tips .................................................................................................................................................8
5.2 Installation of U-Charge
®
RT Battery into a 12 V System ...............................................................9
5.3 Installation of up to 4 batteries in Series .......................................................................................10
Table 3: Pin-out of the RS-485 communication ports in U-Charge
®
RT power system ................... 11
6.
C
HARGING THE
B
ATTERIES
............................................................................................. 12
6.1 Select a Proper Battery Charger...................................................................................................12
6.2 Charging the Battery.....................................................................................................................12
7.
U-C
HARGE
®
RT
P
OWER
S
YSTEM
F
EATURES
..................................................................... 13
7.1 Discharge Control .........................................................................................................................13
7.2 Charge Control .............................................................................................................................14
7.3 State Of Charge (SOC) Measurement ..........................................................................................14
7.4 Cell Balancing...............................................................................................................................14
7.5 U-Charge
®
RT Battery Specifications ...........................................................................................15
Table 4: Battery Specifications........................................................................................................15
Table 5: Self Discharge Rates ........................................................................................................15
Table 6: U-Charge
®
RT Specifications ............................................................................................16
8.
B
ATTERY STATUS INDICATION
........................................................................................... 17
8.1 GREEN LED: Normal Operation...................................................................................................17
8.2 YELLOW LED: Indication .............................................................................................................17
8.3 RED LED: Fault Indication............................................................................................................18
8.4 No LED Indication: Severely Over Discharged .............................................................................18
9.
T
IPS FOR OPTIMIZING PERFORMANCE
................................................................................. 18
10.
M
AINTENANCE AND
S
TORAGE
......................................................................................... 19
10.1 Visual Inspection.........................................................................................................................19
10.2 Voltage Checking........................................................................................................................19
10.3 Battery Storage...........................................................................................................................19
Table 7: Recharge Guidelines.........................................................................................................19
10.4 Battery Serial Number ................................................................................................................20
11.
T
RANSPORTATION AND
S
HIPPING
.................................................................................... 20
12.
B
ATTERY
O
VERHEATING
................................................................................................. 21
