U-Charge Rt Battery Specifications - Valence RT User Manual

®
7.5 U-Charge RT Battery Specifications
Specifications
Voltage
Capacity (C/2)
Dimensions incl. terminals
(L x W x H)
BCI Group Number
Weight (approximate)
Terminals, female-threaded
Specific energy
Energy density
Max. cont. current
Max 30-sec. pulse
Standard Cut-off voltage
Discharge (approx)
Run-time @ 10A
Run-time @ 30A
Standard Charge voltage
Charge
Float
Max. cont. current
Charge time at max I. 1.5 hrs
DC internal resistance
Table 4: Battery Specifications
The battery can be in three modes; Active (charging, discharging, or communicating), Park
(sitting idle), or Shelf (manually put to sleep with RT Diagnostic Kit).
Please note the various discharge rates depending on which mode the battery resides.
Active Mode
< 4 Ah / week
< 17 Ah / month
Table 5: Self Discharge Rates
If the batteries are not to be used within 1 month, we recommend that it be put into shelf mode or
be put on a float charger. If however, the battery has self discharged below 10V, refer to section
8 for instructions on how to recover from the deep discharged condition.
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U1-12RTL
12.8 V
24 Ah
197x130x182 mm
7.75x5.2x7.2 in
U1R
4.1 kg / 9 lbs
1/4-20
73 Wh/kg
66 Wh/l
30 A
80 A
10 V
144 min.
45 min.
14.6 V
13.8 V
20 A
22 mΩ
Park Mode
< 1.3Ah /week
< 5 Ah / month
www.valence.com
U1-12RT U24-12RT
12.8 V 12.8 V
40 Ah 100 Ah
197x130x182 260x173x225 mm
mm 10.24x6.8x8.8 in
7.75x5.2x7.2 in
U1R Group 24
6.1 kg / 13.4 lbs 15.8 kg / 34.8 lbs
1/4-20 M8 x 1.25
84 Wh/kg 81 Wh/kg
110 Wh/l 126 Wh/l
30 A 30 A
80 A 80 A
10 V 10 V
240 min. 600 min.
80 min. 200 min.
14.6 V 14.6 V
13.8 V 13.8 V
20 A 20 A
2.5 hrs 6.5 hrs
15 mΩ 6 mΩ
Shelf Mode
< 0.17 Ah / week
< 0.6 Ah / month
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.
U27-12RT
12.8 V
130 Ah
306x173x225
mm
12x6.8x8.8 in
Group 27
19.5 kg / 43 lbs
M8 x 1.25
85 Wh/kg
140 Wh/l
30 A
80 A
10 V
780 min.
260 min.
14.6 V
13.8 V
20 A
8.5 hrs
5 mΩ
Revision Date October 2008