DISCONTINUED: Trojan SIND 02 1990 2V deep-cycle flooded lead-acid, industrial series, 1547Ah/20h capacity, solar industrial series, double L terminals, 3 + 7 years warranty
Trojan SIND 02 1990
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Trojan is a well-known and trusted brand for renewable energy batteries. Their L16’s were and are the battery of choice, right from the start when people moved off-grid in the 1960’s. The SIND (Solar INDustrial) line is designed for a 17- to 20-year battery life, Trojan Battery’s Solar Series line of flooded, deep-cycle batteries is specifically engineered to withstand the rigorous conditions of deep-cycle renewable energy applications.
Deep-cycle batteries used in off-grid and unstable grid applications are heavily cycled at partial state of charge (PSOC). Operating at PSOC on a regular basis can quickly diminish the overall life of a battery, which results in frequent and costly battery replacements. To address the impact of PSOC on deep-cycle batteries in renewable energy (RE), inverter backup and telecom applications, Trojan Battery has now included Smart Carbon™ as a standard feature in its Solar Industrial and Solar Premium flooded battery lines.
The Trojan SIND 02 1990 is a direct replacement for their IND33-2V battery.
Recommended Charge Settings (at 25C)
|Charge State||12 Volt||24 Volt||48 Volt|
|Bulk||14.8 Volt||29.6 Volt||59.2 Volt|
|Absorb||14.4 Volt||28.8 Volt||56.8 Volt|
|Float||13.5 Volt||27.0 Volt||54.0 Volt|
|Equalize||16.2 Volt||31.6 Volt||63.2 Volt|
|Temperature Compensation: -5 mV/°C/cell|
Equalize time: 2.5 hours, add distilled water as-needed halfway through
Absorb time: 0.42 x C / I, where C is the 20-hour battery bank capacity and I is the real-world charge current
For example, a 48 Volt bank of twenty-four SIND 02 1990 batteries, an 1849 Ah battery bank, with 10,000 Watt in solar PV would have a realistic charge current of around 155 Amp in full sun. That makes for an absorb time of 0.42 x 1849 / 155 = 5.0 hours
Maximum charge current: 15% of 20-hour battery bank capacity (ie. 0.15 x 1849 = 277A for a SIND 02 1990 battery for example), never more than 20%
Low-Voltage cut-off: 11.1 / 22.2 / 44.3 Volt (corresponds to about 80% Depth-Of-Discharge)
- Built for very long battery life!
- Smart Carbon for improved performance
- DuraGrid design provides a thick grid structure that resists corrosion and increases overall battery life
- Maxguard XL Separator provides even greater resistance to stratification
- The ultra-rugged Polyon container protects against damage caused by harsh environmental conditions
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