				OPzS420 Tubular Battery
PHYSICAL SPECIFICATION
Nominal Voltage Nominal Capacity (10HR)				2V 420Ah
Dimension		Length Width Container Height Total Height		145±2mm (5.71 inches） 206±2mm (8.11 inches) 471±2mm (18.54 inches) 526±2mm (20.70 inches)
Weight				Approx. 32 Kg ±3% (70.53lbs)
Standard Terminal				Bolt-and-nuts terminal Bolt Type: M8

ELECTRICAL SPECIFICATION
Characteristics						Main Advantages
Capacity			20 hour rate (24.82A t0 1.80v/cell) 10 hour rate (42.25A t0 1.80v/cell) 5 hour rate (72.16A t0 1.75v/cell) 1hour rate (242.3A t0 1.60v/cell)		496.4Ah 422.5Ah 360.8Ah 242.3Ah
Operating Temp. Range			Discharge : -20℃~55℃ Charge : -10℃~45℃ Storage : -15℃~45℃
Max. Discharge Current			2000A(5sec)
Short Circuit Current			4500A
Designed life			20 years ( floating ) at 25℃(77 ⁰F)
Internal Resistance			Full charged battery (25℃,77 ⁰F) 0.5mΩ
Constant Voltage Charge	Cycle		Initial Charging Current less than :≤100A Voltage: 2.35~2.40V at 25℃ (77 ⁰F ) Temperature Coefficient –5mV/℃
	Standby		No limit on Initial Charging Current Voltage: 2.23V at 25℃ (77 ⁰F ) Temperature Coefficient –3mV/℃

CONSTANT CURRENT DISCHARGE RATING A@25℃
F.V/TIME	30min	1h	2h	3h	4h	5h	8h	10h	24h
1.60V	354	242	151	109	87	75	53.6	44.6	19.82
1.65V	342	237	148	107	86	74	53.2	44.3	19.80
1.70V	328	230	144	106	85	73	52.5	44.1	19.61
1.75V	316	223	141	103	83	72	51.6	43.5	19.28
1.80V	289	212	135	101	81	70	50.3	42.1	18.82
1.85V	256	197	128	98	79	68	48.8	41.6	18.23
CONSTANT POWER DISCHARGE RATING WATT PER CELL@25℃
F.V/TIME	30min	1h	2h	3h	4h	5h	8h	10h	24h
1.60V	645	446	279	202	161	139	99.6	82.8	37.00
1.65V	630	437	273	199	159	137	98.8	82.5	36.92
1.70V	605	424	267	196	158	135	97.5	82.0	36.50
1.75V	584	414	262	192	155	134	96.2	81.3	36.20
1.80V	539	399	255	191	154	133	95.5	79.5	35.74
1.85V	487	374	244	187	151	130	93.7	79.8	35.32

OPzS420 Tubular Battery

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Technical Features
- Tubular positive plates with special low antimony lead alloy reduces loss of water (3-year topping-up intervals on fl oat condition)
- Capacities exceed DIN nominal values
- Electrolyte: high purity sulphuric acid solution with 1,24 specific gravity at 20°C
- Pasted negative grid plates designed to have service lives consistent with the positive plates
- Separators with extremely high porosity and low internal resistance
- Container in acid resistant SAN, designed for unsurpassed mechanical strength
- Lid in standard ABS
- Threaded female M10 terminal posts guarantee highest conductivity, maximum torque retention and easy installation
- High integrity post seal design to prevent electrolyte leakage and terminal corrosion
- Ceramic plugs filter electrolyte from escaping gasses
- Flame arrestors prevent sparks or flames from entering the battery
- <3% self-discharge per month at 20°C allows 6 months shelf life
- Installation in vertical position
- Flexible, fully insulated cable connectors with insulated screw with probe hole on the top for electrical measurement

Application
- IT and Telecom network operations
- Power plants and power distribution
- Emergency lighting and Security
- Automation & Industrial backup power
- Railway, Airport & Seaport signaling
- Other applications in areas with unreliable power supply

OPzS 420 Battery