How to maintain OPzV battery?
OPzV battery is designed with a colloidal electrolyte and a tubular positive plate. It has the advantages of a wet battery (Maintenance free) and dry battery (Long cycle life), which is especially suitable for the backup time of 1 to 20 hours. Because it is not limited by the user environment or maintenance conditions, the OPzV battery is suitable for the environment with large temperature differences and unstable power grid, or renewable energy storage system in a long-term electrical state. For example, the off-grid wind power system, because Wind Power is considered highly intermittent in many areas (e.g. monsoon area). It needs to use an OPzV battery which can be deeply cycled.
OPzV battery is different from a normal lead-acid battery. Because many people leak of know enough about OPzV battery, there are some problems such as insufficient maintenance and unable to master the battery capacity.
Principle and characteristics of OPzV battery
The charge discharge reaction mode of an OPzV battery is the same as that of an ordinary lead-acid battery, which is converted into electric energy by chemical energy. The difference between the OPzV battery and the ordinary lead-acid battery is that the OPzV battery uses colloidal electrolyte and tubular plate. Its maintenance free and long-life characteristics are realized through the control of the chemical reaction.
Rated Voltage | 2V | |||
Nominal Capacity | 1500AH | |||
Terminal | M8 | |||
Container Material | ABS | |||
Rated Capacity (25°C) | 1950.0 Ah (100hr,19.5A,1.80V/cell) 1500.0 Ah (10hr,150.0A,1.80V/cell) 1305.0 Ah (5hr,261.0A,1.75V/cell) 1146.0 Ah (3hr,382.0A,1.75V/cell) 834.0 Ah (1hr,834.0A,1.65V/cell) | |||
Max. Discharge Current(5s) | 12000A | |||
Internal Resistance(25"C) | Approx.0.45m Ω | |||
Charging Operating Temp.Range | Discharge -20°C~55°C (-4°F~131°F) Charge 0°C~40°C (32°F~104°F) Storage - 20°C-50°C (-4°F~122°F) | |||
Nominal Operating Temp. Range | 25+3°C (77+5°F) | |||
Max. Charging Current(25°C) | 250.0A | |||
Charge voltage(25°C) | Float 2.25V Temp. Coefficient -3mV/cell/°C Cycle(Equalization) 2.35~2.40V | |||
Effect of temp. to Capacity | 40°C (104°F) 106% 25°C (77°F) 100% 0°C (32°F) 86% | |||
Self Discharge | ≤ 3% per month at 25°C |
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