CSB MSV-300 Valve Regulated Sealed Lead Acid Battery 2V 300Ah
The CSB MSV-300 in the MSV series is a 2V VRLA-AGM battery with a 10-hour rate nominal capacity of 300Ah. It is primarily designed for float-charge backup power scenarios such as telecommunications, utilizing AGM technology, equipped with a flame-retardant ABS case, and offering a design float life of up to 15 years.
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Product Features
- VRLA (Valve Regulated Lead Acid) battery
- Maintenance-free, utilizing Absorbent Glass Mat (AGM) technology with up to 99% gas recombination efficiency
- Constructed with pure lead and proprietary elements
- Designed for high-capacity float charge backup power applications
- Manufactured in accordance with IEC 60896-21/22:2004 and certified to UL1989 (MH14533)
Application Scenarios
- Provides DC backup power for telecom base stations
- Backup power solution for central office equipment in fiber access networks
- DC power supply for microwave relay stations
- 48V DC systems in telecom equipment rooms
- Backup power support for broadband access equipment
- Backup power for mobile communication core networks
Product parameters
- Model：MSV-300
- Voltage：2 Vdc
- Nominal Capacity：300 Ah @10hr-rate
- Ah Capacity：294.40 (8-Hr 1.75 VPC @ 25°C)
- Ah Capacity：308.00 (20-Hr 1.75 VPC @ 25°C)
- Ah Capacity：288.00 (8-Hr 1.80 VPC @ 25°C)
- Max. Charge Current：90.00 A
- Max. Discharge Current：1800 A
- Short Circuit Current：3600 A
- Internal Resistance：0.54 mΩ
- Terminal Type：I4 thread copper alloy terminal to accept M8 bolt
- Terminal Torque：126±25 Kgf·cm / 109±22 Lbf·in / 12.3±2.5 N·m
- Container Material：Flame-retardant ABS (UL 94-V0)
- Weight：18.20 / 40.11 kg / lb.
- Length (L)：170.0±2.0 / 6.69±0.08 mm / in
- Width (W)：150.0±1.5 / 5.91±0.06 mm / in
- Height (H)：339.0±2.5 / 13.15±0.10 mm / in
- Design Life：Up to 15 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 CSB's product lineup, the MSV-300 belongs to the MSV series and is a 2V Valve Regulated Lead Acid (VRLA-AGM) battery primarily aimed at the telecommunications field. This series is specifically built for large-scale emergency and telecom applications, featuring high capacity and long service life. In terms of electrical specifications, its nominal voltage is 2 Vdc; when the temperature is maintained at 25°C and 1.80 VPC is used as the cutoff condition, the nominal capacity at the 10-hour rate reaches 300 Ah, while the 8-hour and 20-hour rate capacities are given according to the conditions listed in the data, capable of meeting the capacity requirements for long-term float-charge backup power at communication sites.
The battery adopts a valve-regulated sealed lead-acid structure and is equipped with Absorbent Glass Mat (AGM) technology, achieving a gas recombination efficiency of up to 99%, with an overall maintenance-free design. Its positive and negative plates are made of pure lead construction combined with a proprietary formula, suitable for high-capacity float-charge backup power applications. The case uses flame-retardant ABS material, meeting UL 94-V0 requirements; the product is manufactured according to IEC 60896-21/22:2004 standards and has also passed UL1989 recognition (MH14533).
Looking at the electrical parameters, the MSV-300 can withstand a maximum charge current of 90.00 A, a maximum discharge current of 1800 A, a short-circuit current of 3600 A, and an internal resistance of 0.54 mΩ. At 25°C, the float charge voltage range is 2.21 to 2.25 Vdc/battery, and the equalization charge voltage is set at 2.35 Vdc/battery. For terminals, it uses I4 threaded copper alloy terminals, compatible with M8 bolts, with terminal torque requirements of 126±25 Kgf·cm, 109±22 Lbf·in, or 12.3±2.5 N·m.
In terms of dimensions and weight, the battery is 170.0±2.0 mm long, 150.0±1.5 mm wide, 339.0±2.5 mm high, and weighs 18.20 kg (40.11 lb). The nominal operating temperature is 25°C (77°F); the allowable temperature range during discharge is -15°C to 50°C, while charging and storage are limited to -15°C to 40°C. Under float charge at 25°C, the design life can reach up to 15 years; according to the Eurobat 20°C standard, it falls into the ultra-long life category of greater than 12 years.
Regarding self-discharge performance, after standing for 90 days at 25°C, the remaining capacity is still above 90%, and it can be stored for up to 6 months; a full charge must be performed before use, and if the storage temperature exceeds 25°C, the supplementary charge should be advanced accordingly. Thanks to the above characteristics, the MSV-300 can be applied to backup power scenarios such as telecommunications that require long-term float-charge standby; during installation and maintenance, operations should be carried out according to the voltage, torque, and temperature conditions specified in the data.
