UI1235
Technical Datasheet
Technical Specifications
LiFe PoWER
Li-Ion LFP Benefits Over SLA
• Capable of nearly full nameplate capacity
delivery vs. 50% typically from SLA
• >3000 full depth of discharge cycles
• Uniform voltage during discharge
• Long duration charge retention (no trickle
charging required)
• Light weight
• No venting
• Wider temperature range
Features
Part No
UI1235
Chemistry
Lithium Iron Phosphate
Nominal Voltage
12V (13.2V average)
Nominal Capacity
32Ah at 0.2C discharge rate
Energy
422Wh
Max. Continuous Discharge Current
65A
Over Current Protection
200 ± 30A, 5 ± 20ms
Discharge Cut-off Voltage
Approx. 10V
Charge Voltage
14.4 ± 0.1V (see table)
Charge Mode
CC/CV use a constant current, constant
voltage (CC/CV) charging regime
Max. Charge Current
60A (see table)
Internal Resistance
≤35mΩ
Operating Temperature
Charge: 0˚C to 45˚C
Discharge: -20˚C to 60˚C
Weight
Approx. 4.4 ± 0.1kg (9.7 ± 0.2lb)
Size
Length:196 ± 2mm (7.68in)
Width: 130 ± 2mm (5.16in)
Height: 181 ± 2mm (7.13in)
Protection
Over charge protection
Over discharge protection
Over current protection
Temperature protection
Cell balancing function
Transportation
Class 9 Hazardous
• Screw terminals - size M6
• Integrated carry handles
Applications
• Scooters / wheelchairs
• UPS replacement
• Solar battery
Constant Voltage
Charge at 23˚C
Voltage Regulation
Initial Current
Standby Use
13.6V
32A
Cycle Use
14.4V
32A
Ultralife Batteries India Private Limited.,
No.38 B1Part, Doddanakundi Industrial Area, 1st Phase, Mahadevapura, Bangalore - 560048. Phone: 91-80-28524680 / 90.
Email : support@ultralifeindia.com
Performance Graphs
UI1235, 8 Hour Soak then 16A Discharge to 10V at
Specified Temperature
UI1235, 8 Hour Soak then 16A Discharge to 10V at
Specified Temperature(Rated @ 32Ah)
14
14
13.5
13
Voltage (V)
45C - Blue
0C
12
-20C
11.5
60C - Purple, Over
Temp Protection
Activates
13
23C
12.5
Voltage
13.5
60C - Purple, Over
Temp Protection
Activates
12.5
-20C
11
11
10.5
10
0
0.2
0.4
0.6
0.8
1
1.2
0
0.5
1
%Rated Capacity
1.5
2
2.5
Time (Hrs)
UI1235, 8 Hour Soak then 32A discharge to 10V
at Specified Temperature
UI1235 Float Charge 13.6V
Ambient Discharge Capacity at 32A
14
35
13.5
60C - Purple, Over
Temp Protection
Activates
12.5
30
Capacity (Ah)
13
Voltage (V)
45C
11.5
10.5
10
23C
0C
12
45C
23C
12
0C
11.5
25
20
15
10
-20C
11
5
10.5
0
10
0
0.2
0.4
0.6
0.8
1
0
1.2
5
10
15
UI1235 100% SOC Storage
32A Ambient Discharge Capacity After Storage
25
30
35
UI1235 Ambient Long Term Cycling
Charge at 14.4V 16A to 1.6A Taper
32A Discharge to 10V (30 minute rests)
35
35
Discharge Capacity (Ah)
30
Discharge Capacity (Ah)
20
Float Days
Time (Hrs)
25
45C
20
Ambient
15
10
5
0
30
25
20
15
10
5
0
0
5
10
15
20
25
30
35
0
50
100
Storage Time (Days)
150
200
250
300
350
400
450
Cycles
Ultralife Batteries India Private Limited.,
No.38 B1Part, Doddanakundi Industrial Area, 1st Phase, Mahadevapura, Bangalore - 560048. Phone: 91-80-28524680 / 90.
Email : support@ultralifeindia.com
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