Rekoser Rekoser AGM deep cycle battery. RKC Series is specially designed for frequent cyclic discharge. By using strong grids and specially designed active material, the RKC series battery offers 30% more cyclic life than the standby series. Ideal for solar & wind energy systems, golf cart, electric wheelchair, etc.
Specifications | ||||
---|---|---|---|---|
Nominal Voltage | 12V | |||
Capacity (25ºC) | 50Ah @ 10HR | |||
Internal Resistance | Fully Charged 75 m Ω | |||
Self Discharge | 3% of capacity declined per month at 20°C | |||
Cell number | 6 cells | |||
Capacity Affected by Temperature | 102% (40°C) | 100% (25°C) | 85% (0°C) | 65% (-15°C) |
Charge Voltage (25°C) | Cycle - 14.6-14.8V (-30mV/C), max. Current 2.1A | Float - 13.6-13.8V (-20mV/C) | ||
Max. Charge Current | 15A | |||
Max. Discharge Current | 500A |
Dimensions and weight | ||||
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Dimensions (mm) | 277x106x221(221) | |||
Weight (kgs) | 17.0 |
Construction | ||||
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Component | Raw Material | |||
Positive | Lead dioxide | |||
Negative | Lead | |||
Container | ABS (Flame Retardant Optional) | |||
Cover | ABS (Flame Retardant Optional) | |||
Sealant | Epoxy Resin | |||
Safety Valve | Rubber | |||
Terminal | Copper | |||
Separator | Fibre Glass | |||
Electrolyte | Sulphuric acid |
Constant Discharge Ratings (A, W) at 25ºC | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F.V / Time | 15MIN | 30MIN | 1HR | 3HR | 5HR | 10HR | 20HR | |||||||
10.80 V | 69.5A | 763W | 43.8A | 491W | 28.3A | 322W | 12.1A | 143W | 8.49A | 100W | 5.0A | 59.7W | 2.63A | 34.8W |
10.50 V | 73.4A | 806W | 45.4A | 510W | 29.2A | 333W | 12.5A | 147W | 8.75A | 103W | 5.04A | 60.1W | 2.64A | 35.4W |
10.20 V | 76.0A | 834W | 46.6A | 522W | 29.8A | 339W | 12.6A | 148W | 8.81A | 104W | 5.07A | 60.5W | 2.66A | 35.5W |
10.02 V | 78.9A | 866W | 48.0A | 539W | 30.5A | 348W | 12.7A | 149W | 8.87A | 105W | 5.08A | 60.7W | 2.67A | 35.6W |
9.60 V | 80.9A | 888W | 49.0A | 550W | 31.0A | 353W | 12.8A | 150W | 8.93A | 105W | 5.09A | 60.8W | 2.67A | 35.8W |