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When upgrading your UPS batteries, use the following cross reference chart to find a compatible replacement. At Unified Power we carry all major, common brands of Top Terminal Valve Regulated Lead Acid (VRLA) block batteries for use in UPS systems.

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Company
MODEL
W/CELL*
L x W x H
Weight (lbs)
Terminal Type
UPS 120 Watt/Cell VRLA Batteries
Exide
S12V120F
117
6.82 x 6.58 x 5.89
27
Insert M6
C&D
UPS12-100MR
91
6.54 x 5.17 x 6.86
21
Insert 1/4-20
C&D
UPS12-150MR
148
7.76 x 5.19 x 6.8
27.3
Insert 1/4-20
C&D
MR12-150
148
7.35 x 5.19 x 7.77
28
Insert 1/4-20
East Penn/Deka
U1HR1500
119
7.71 x 5.18 x 6.93
27
Insert M6
Enersys
HX135R
135
7.8 x 5.1 x 7.1
28
Insert M6
Power
PRC or TC 1235L
119
7.71 x 5.18 x 7.19
26.7
1/4″ stud
CSB
HR12120W
120
6.53 x 4.92 x 6.89
22.49
Insert M5
 
 
 
 
 
 
UPS 150 – 205 Watt/CellVRLA Batteries
Fiamm
FLX200
204
9.01 x 5.43 x 8.35
39.2
Insert 1/4 – 20
Exide
S12V170F
167
7.81 x 6.58 x 7.01
36
Insert M6
C&D
UPS12-170FR
170
8.84 x 5.47 x 8.99
40
Flag
C&D
UPS12-200FR
203
8.84 x 5.47 x 8.99
40
Flag
C&D
UPS12-210MR
206
9 x 5.48 x 8.07
40
Insert 1/4-20
C&D
MR12-210
206
8.82 x 5.48 x 8.99
40
Insert 1/4-20
East Penn/Deka
45HR2000
168
8.84 x 5.31 x 6.93
40
Insert M6
Enersys
HX150
150
7.8 x 6.5 x 6.8
28.4
Insert M6
Enersys
HX205
204
8.10 x 5.50 x 8.90
43
Insert M6
Douglas
DSU12-205
204
9.0 x 5.5 x 8.2
43
6mm Female
Power
PRC or TC 1255S
183
9 x 5.5 x 9
37
1/4″ stud
CSB
HRL12150W
150
7.7 x 5.12 x 6.77
25.9
Insert M5
CSB
HRL12200W
200
8.97 x 5.45 x 6.16
38.8
Insert M5
Eaton
PWHR12200W4FR
200
8.97 x 5.45 x 6.16
38.8
Insert M5
NorthStar
NSB12-180
180
6.93 x 6.50 x7.76
35.3
Insert M6
 
UPS 270 – 310 Watt/Cell VRLA Batteries
Fiamm
FLX300
311
10.27 x 6.85 x 8.58
58.3
Insert 1/4-20
Exide
S12V285F
285
10.25 x 6.85 x 8.80
61
Insert M6
Exide
S12V300F
306
10.25 x 6.85 x 8.80
63
Insert M6
C&D
UPS12-270FR
282
10.17 x 6.65 x 8.82
57
Flag
C&D
UPS12-300MR
300
10.27 x 6.83 x 8.01
58.4
Insert 1/4-20
C&D
UPS12-310FR
329
11.95 x 6.65 x 9.05
67
Flag
C&D
MR12-210
206
8.82 x 5.48 x 8.99
40
Insert 1/4-20
C&D
MR12-300
300
8.82 x 6.83 x 10.27
59
Insert 1/4-20
East Penn/Deka
24HR3000
314
10.2 x 6.8 x 8.24
56
Insert M6
Enersys
HX300-12FR
284
10.30 x 6.90 x 8.30
60
Insert M6
Douglas
DSU12-300
284
10.3 x 6.9 x 8.3
60
6mm Female
CSB
HRL12280W
283
10.28 x 6.63 x 8.43
56.9
Insert M6
Eaton
PWHR12280W4FR
283
10.28 x 6.63 x 8.43
56.9
Insert M6
Power
PRC or TC 12100S
318
12.00 x 6.68 x 8.85
71.9
1/4″ stud
Power
PRC or TC 1290S
283
10.20 x 6.67 x 8.85
60.6
1/4″ stud
NorthStar
NSB12-270
310
7.90 x 6.80 x 10.30
60.2
Insert M6
NorthStar
NSB12-330
297
6.93 x 6.50 x 13.03
59.5
Insert M6
 
UPS 310 – 370 Watt/Cell VRLA Batteries
Fiamm
FLX350
374
11.87 x 6.85 x 8.58
67.5
Insert 1/4-20
Exide
S12V370F
373
12.05 x 6.85 x 8.80
74
Insert M6
C&D
UPS12-350MR
350
12.04 x 6.83 x 8.06
67.4
Insert 1/4-20
C&D
UPS12-370FR
370
12.74 x 6.58 x 9.48
74
Flag
C&D
MR12-350
350
9.03 x 6.83 x 12.04
68
Insert 1/4-20
East Penn/Deka
27HR3500
314
12.93 x 6.8 x 8.24
74
Insert M6
Enersys
HX330-12FR
336
12.00 x 6.90 x 8.40
71
insert M6
Douglas
DSU12-350
336
12.0 x 6.9 x 8.4
71
6mm Female
CSB
HRL12330W
340
12.15 x 6.65 x 8.44
65.5
Insert M6
Eaton
PWHR12330W4FR
340
12.15 x 6.65 x 8.44
65.5
Insert M6
Power
PRC Or TC12100
318
12 x 6.68 x 9.71
71.9
1/4″ stud
Power
PRC or TC 12120S
371
13.50 x 6.76 x 9.25
81.8
1/4″ stud
C&D
UPS12-310FR
330
9.05 x 6.83 x 12.04
67
Flag
 
UPS 390 – 400 Watt/Cell VRLA Batteries
Fiamm
FLX400
415
13.31 x 6.85 x 8.46
73.3
Insert 1/4-20
C&D
UPS12-400MR
400
13.42 x 6.80 x 8.52
75.8
Insert 1/4-20
C&D
MR12-400
400
9.49 x 6.80 x 13.42
76
Insert 1/4-20
NorthStar
NSB12-370
400
8.40 x 6.80 x 13.40
83.3
Insert M6
East Penn/Deka
31HR4000
377
12.93 x 6.75 x 8.7
74
Insert M6
Enersys
HX400-12FR
381
13.40 x 6.80 x 8.50
80
Insert M6
Douglas
DSU12-400
381
13.4 x 6.8 x 8.5
80
6mm Female
CSB
HRL12390W
398
13.46 x 6.69 x 8.57
72.8
Insert M6
Eaton
PWHR12390W4FR
398
13.46 x 6.69 x 8.57
72.8
Insert M6
 
UPS 475-500 Watt/Cell VRLA Batteries
Fiamm
FLX500
493
13.31 x 6.85 x 10.87
97.5
Insert 1/4 – 20
Exide
S12V500F
505
13.55 x 6.76 x 10.90
106
Insert M6
C&D
UPS12-490MR
488
13.57 x 6.80 x 10.93
100
Insert 1/4-20
C&D
MR12-490
488
10.93 x 6.80 x 13.57
100
Insert 1/4-20
CSB
HRL12500W
503
13.50 x 6.69 x 10.93
100.8
Insert M6
Eaton
PWHR12500W4FR
503
13.50 x 6.69 x 10.93
100.8
Insert M6
Power
PRC or TC 12150C
505
13.50 x 6.76 x 11.80
100.1
Insert 1/4-20
C&D
UPS12-490MRLP
488
8.40 x 6.80 x 13.42
83
Insert 1/4-20
Douglas
DSU12-500
506
13.4 x 6.8 x 10.8
110
6mm Female
C&D
UPS12-475FR
475
13.57 x 6.73 x 10.81
100
Insert 1/4-20
East Penn/Deka
31HR5000
475
13.46 x 6.77 x 11.20
98
Insert M6
Enersys
HX500-12FR
506
13.40 x 6.80 x 10.80
103
Insert M6
C&D
UPS12-530FR
530
10.81 x 6.76 x 13.57
100
Insert 1/4-20
 
UPS 540 Watt/Cell VRLA Batteries
Fiamm
FLX540
540
13.31 6.85 x 10.87
97.5
Insert 1/4-20
C&D
UPS12-540FR
537
12.74 x 6.63 x 10.93
100
Insert 1/4-20
C&D
UPS12-540MR
537
13.57 x 6.80 x 10.93
100
Insert 1/4-20
C&D
MR12-540
540
10.93 x 6.80 x 13.57
100
Insert 1/4-20
NorthStar
NSB12-475
540
10.80 x 6.80 x 13.60
109.5
Insert M6
Enersys
HX540-12FR
540
13.40 x 6.80 x 10.80
106
Insert M6
NorthStar
NSB12-475
540 w/c
10.80 x 6.80 x 13.60
109.5
Insert M6
Power
TC12-160C
560
10.75 x 6.81 x 13.50
110
Insert 1/4-20
 
 
 
 
 
 
UPS 6 Volt VRLA Batteries
Exide
S6V740F
746
12.05 x 6.85 x 8.80
74
Insert M6
C&D
UPS12-620MR
620
12.51 x 6.83 x 8.94
72
Insert 1/4-20
C&D
UPS12-620FR
620
12.51 x 6.83 x 9.86
72
Insert 1/4-20
Enersys
HX800-6FR
780
13.40 x 6.80 x 8.50
80
Insert M6

** Rating For 15 Min to 1.67VPC