CSB MU1500S Valve-Regulated Sealed Lead-Acid Battery 2V 1500Ah
As a 2V VRLA-AGM battery in the MU series, the CSB MU1500S is mainly designed for telecommunications and other applications requiring high-capacity float backup. At the 10-hour rate, its nominal capacity is 1500Ah; the battery uses a pure lead construction and AGM gas recombination technology, with a design float service life of up to 20 years.
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Product Features
- VRLA (Valve Regulated Lead Acid) battery
- Maintenance-free, with gas recombination efficiency up to 99% thanks to Absorbent Glass Mat (AGM) technology
- Pure lead construction with proprietary elements
- Purpose-built for high-capacity float backup power applications
- Manufactured to IEC 60896-21/22:2004 and UL1989 recognized (MH14533)
Application Scenarios
- Provides long-duration backup power in regional aggregation equipment rooms
- DC power supply for large communications hubs
- Suitable when communication base stations require ultra-long backup duration
- Remote sites and islands can rely on energy storage for backup
- Emergency command centers supported by DC backup power
- High-capacity backup power configuration for core network equipment rooms
Product parameters
- Model：MU1500S
- Voltage：2 Vdc
- Nominal Capacity：1500 Ah @10hr-rate
- Ah Capacity：1520.00 (8-Hr 1.75 VPC @ 25°C)
- Ah Capacity：1560.00 (20-Hr 1.75 VPC @ 25°C)
- Ah Capacity：1464.00 (8-Hr 1.80 VPC @ 25°C)
- Max. Charge Current：450.00 A
- Max. Discharge Current：9000 A
- Internal Resistance：0.31 mΩ
- 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：91.50 / 201.67 kg / lb.
- Length (L)：437.0±3.0 / 17.20±0.12 mm / in
- Width (W)：172.0±3.0 / 6.77±0.12 mm / in
- Depth (D)：497.0±3.0 / 19.57±0.12 mm / in
- Design Life：Up to 20 years in standby service at 25°C; Eurobat (20°C): >12 years, Very Long Life
- Float Charging Voltage：2.21 ~ 2.25 Vdc/battery
- Equalizing Charging Voltage：2.35 Vdc/battery
- Operating Temperature：discharge -15°C to 50°C; charge/storage -15°C to 40°C
Product details
In the MU product line, the CSB MU1500S is positioned as a 2V valve-regulated sealed lead-acid battery, evolved from MSV and MSJ, targeting 2V high-capacity and long service life telecom battery requirements; telecommunications is the officially stated application area. Its nominal voltage is 2Vdc. At a 10-hour rate at 25°C and 1.80VPC, the nominal capacity is 1500Ah; at the 8-hour rate and 1.75VPC, it is 1520Ah; at the 20-hour rate and 1.75VPC, it is 1560Ah; at the 8-hour rate and 1.80VPC, it is 1464Ah. If telecom sites require long-duration backup power, these capacities can meet the demand.
At 25°C, the float voltage is 2.21 to 2.25Vdc, and the equalization voltage is 2.35Vdc. The nominal operating temperature is 25°C; the discharge temperature range is -15°C to 50°C; the charging and storage temperature range is -15°C to 40°C.
Structurally, the battery combines valve-regulated sealing with absorbent glass mat AGM technology, achieving up to 99% gas recombination efficiency, and uses a maintenance-free design suitable for high-capacity float backup power. Pure lead construction and a proprietary formulation are also used in this product; the case is made of flame-retardant polypropylene, meeting UL 94-V0 requirements; the manufacturing process follows IEC 60896-21/22:2004 and is UL1989 recognized, recognition number MH14533.
In terms of electrical and mechanical data, the MU1500S can withstand a maximum charge current of 450A and a maximum discharge current of 9000A, with an internal resistance of 0.31mΩ. The connection terminal uses an I3 threaded copper alloy terminal, compatible with an M10 bolt, with terminal torque 249±50Kgf·cm, equivalent to 216±43Lbf·in or 24.4±4.9N·m. Length, width, and depth are 437.0±3.0mm, 172.0±3.0mm, and 497.0±3.0mm respectively, and weight is 91.50kg, approximately 201.67lb.
In terms of self-discharge, at 25°C it is less than 10% after 90 days, and it can be stored for up to 6 months; it must be fully charged before use, and if storage temperature exceeds 25°C, earlier charging is required.
Life specifications show that it can reach 20 years in 25°C float backup service and more than 12 years under Eurobat 20°C conditions, belonging to the very long life category. In summary, 2V high capacity, low internal resistance, long life, and a maintenance-free AGM structure make the MU1500S suitable for float backup power configurations in the telecommunications field.
