CSB 48RE1200: 2V 1200Ah VRLA Battery
The CSB 48RE1200 is a 2V valve-regulated sealed lead-acid battery with a nominal capacity of 1200Ah at the 100-hour rate. It uses AGM technology with added pure lead carbon and is designed for renewable energy storage and photovoltaic systems, with a design cycle life of up to 3800 cycles at 50% depth of discharge.
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Product Features
- Valve-regulated lead-acid (VRLA) battery with added carbon
- Maintenance-free, utilizing absorbed glass mat (AGM) technology, with gas recombination efficiency up to 99%
- Plates use pure lead with a proprietary formula, leveraging carbon to enhance cycle durability, achieving up to 3,800 cycles at 50% depth of discharge
- Backed by a 10-year full replacement warranty
- Suitable for energy storage and power fluctuation control—better aligned with IEC 61427, ideal for PSoC cycling in renewable energy systems, including photovoltaic (PV) applications.
Application Scenarios
- DC battery banks for photovoltaic power generation energy storage
- Wind power energy storage applications
- Off-grid solar power plant energy storage
- Battery arrays for microgrid energy storage
- Residential solar energy storage systems
- Energy storage stations for grid peak shaving
Product parameters
- Model:48RE1200
- Voltage:48Vdc
- Nominal Voltage per Cell:2V
- Nominal Capacity:1200 Ah @ 100 hr-rate
- Ah Capacity:824.00 (8-Hr 1.75 Vpc @ 25°C)
- Ah Capacity:972.00 (20-Hr 1.75 Vpc @ 25°C)
- Ah Capacity:816.00 (8-Hr 1.80 Vpc @ 25°C)
- Max. Charge Current:168 A
- Terminal Type:I3 thread copper alloy terminal to accept M10 bolt
- Terminal Torque:249±50 Kgf·cm / 216±43 Lbf·in / 24.4±4.9 N·m
- Container Material:Flame-retardant 聚丙烯 (UL 94-V0)
- Weight:2007.2 / 4425.12 kg / lb.
- Length (L):55.4 / 21.8 mm / in
- Width (W):112.3 / 44.2 mm / in
- Height (H):170.9 / 67.3 mm / in
- Design Life:2700 cycles at 70% DOD (25°C); 3800 cycles at 50% DOD (25°C); 5900 cycles at 30% DOD (25°C)
- Equalizing Charging Voltage:* 2.50±0.02 VDC/Unit at 25°C, current limit 0.14CA (168A)
- Charging Voltage:Multi-step, CC-CV 2.42±0.02 VDC/Unit at 25°C, current limit 0.07CA (84A) Power fluctuation control
- Operating Temperature:discharge -25°C to 50°C; charge 0°C to 40°C; storage -20°C to 40°C
- Note:For detailed charging information, please review the user manual
Product details
Under the CSB brand, the 48RE1200 is a valve-regulated sealed lead-acid battery belonging to the RE series. Its nominal cell voltage is 2V, while the nominal system voltage reaches 48Vdc. At an ambient temperature of 25°C and an end voltage of 1.75Vpc, this battery has a nominal capacity of 1200Ah at the 100-hour rate; at the 20-hour rate, the capacity is 972Ah; at the 8-hour rate, it is 824Ah. The product uses absorbed glass mat (AGM) technology, achieving a gas recombination efficiency of 99%, and the addition of carbon further improves cycling performance.
In terms of cycling endurance, the 48RE1200 at 25°C can complete 2700 cycles at 70% depth of discharge; at 50% depth of discharge, the cycle count increases to 3800; at 30% depth of discharge, the cycle count reaches 5900. Therefore, it is suitable for partial state of charge cycling in renewable energy systems, including photovoltaic applications. By design, the battery meets the applicability of the enhanced IEC 61427 standard and can be used for energy storage and power fluctuation control.
Charging specifications are as follows: the equalization voltage is 2.50±0.02 VDC/Unit (25°C) with a current limit of 0.14CA (168A); the charging voltage uses a multi-step CC-CV mode at 2.42±0.02 VDC/Unit (25°C) with a current limit of 0.07CA (84A). The recommended equalization interval is 14 days. The maximum charging current is 168A. In a 25°C environment, the battery can be stored for 6 months without supplementary charge.
The operating temperature range includes: nominal 25°C; -25°C to 50°C during discharge; 0°C to 40°C during charge; -20°C to 40°C during storage. The terminal uses an I3 threaded copper alloy terminal, accepts an M10 bolt, and has a torque of 249±50 Kgf·cm (216±43 Lbf·in or 24.4±4.9 N·m). The case material is flame-retardant polypropylene (UL 94-V0).
The 48RE1200 weighs approximately 2007.2 kg (4425.12 lb), with dimensions of 55.4 mm (21.8 inches) in length, 112.3 mm (44.2 inches) in width, and 170.9 mm (67.3 inches) in height. This battery features a maintenance-free design and can be used in renewable energy storage, photovoltaic systems, and power fluctuation control applications.