CSB Battery MSJ-150 Valve Regulated Sealed Lead Acid 2V 150Ah
The MSJ-150 is a 2V VRLA-AGM battery in the CSB MSJ series. At 25°C and 1.80VPC, its 10-hour rate nominal capacity reaches 150Ah. This product is primarily developed for telecom float backup applications, with a design float life of up to 20 years, and features a flame-retardant ABS case and I4 copper alloy terminals.
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Product Features
- Utilizes VRLA (Valve Regulated Lead Acid) technology
- AGM (Absorbent Glass Mat) construction, maintenance-free, with gas recombination efficiency up to 99%
- Employs a pure lead formula with proprietary elements
- Designed for high-capacity float charge backup power applications
- Manufactured to IEC 60896-21/22:2004 standards, UL1989 certified (MH14533)
Application Scenarios
- Backup support for DC power supply at telecom base stations
- Emergency backup power for optical access network central offices
- DC power supply for microwave relay stations
- 48V DC systems in telecom equipment rooms
- Backup power for broadband access equipment
- Emergency power for mobile communication core networks
Product parameters
- Model：MSJ-150
- Voltage：2 Vdc
- Nominal Capacity：150 Ah @10hr-rate
- Ah Capacity：156.80 (8-Hr 1.75 VPC @ 25°C)
- Ah Capacity：162.20 (20-Hr 1.75 VPC @ 25°C)
- Ah Capacity：152.80 (8-Hr 1.80 VPC @ 25°C)
- Max. Charge Current：45.00 A
- Max. Discharge Current：900 A
- Short Circuit Current：2848 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：12.80 / 28.81 kg / lb.
- Width (W)：106.0±1.5 / 4.17±0.06 mm / in
- Height (H)：339.0±2.5 / 13.15±0.10 mm / in
- Depth (D)：170.0±2.0 / 6.69±0.08 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
The CSB MSJ-150 is a 2V VRLA-AGM battery in the MSJ series, officially designated for telecom use. This series is positioned as a VRLA 2V high-capacity, long float life backup battery line, with a design life of up to 20 years under float charge at 25°C, and rated as greater than 12 years ultra-long life according to the Eurobat 20°C standard. The battery combines a valve regulated sealed lead acid structure with AGM Absorbent Glass Mat technology, achieving a gas recombination efficiency of up to 99%. It is maintenance-free and utilizes pure lead construction and proprietary formulation elements.
In terms of capacity, the MSJ-150 has a 10-hour rate nominal capacity of 150Ah at 25°C and 1.80VPC; at 25°C and 1.75VPC, the 8-hour rate capacity is 156.80Ah and the 20-hour rate capacity is 162.20Ah; while at 25°C and 1.80VPC, the 8-hour rate capacity is 152.80Ah. The battery has a nominal voltage of 2Vdc, maximum charge current of 45.00A, maximum discharge current of 900A, short-circuit current of 2848A, and internal resistance of 0.54 mΩ. These electrical parameters enable the battery to handle telecom backup applications requiring long-term float standby.
Regarding charging and temperature, the float charge voltage at 25°C is 2.21 to 2.25 Vdc/battery, and the equalization charge voltage is 2.35 Vdc/battery. The nominal operating temperature is 25°C, the discharge temperature range covers -15°C to 50°C, and the charge and storage temperature range is -15°C to 40°C. In terms of self-discharge characteristics, self-discharge is less than 10% after 90 days at 25°C, and the battery can be stored for up to 6 months; it must be fully charged before use, and if the storage temperature exceeds 25°C, it needs to be charged earlier.
In terms of construction, the MSJ-150 case uses flame-retardant ABS material meeting UL 94-V0 rating. The terminals are I4 threaded copper alloy type, accepting M8 bolts, with terminal torque of 126±25 Kgf·cm, 109±22 Lbf·in, or 12.3±2.5 N·m. Dimensions are width 106.0±1.5 mm, height 339.0±2.5 mm, depth 170.0±2.0 mm, and weight 12.80 kg (28.81 lb). The product is manufactured according to IEC 60896-21/22:2004 standards and is UL1989 recognized (MH14533).
Overall, the MSJ-150 addresses high-capacity float backup power needs such as telecom, providing 150Ah-class capacity in a 2V monobloc form, combined with long-life design and maintenance-free AGM construction, suitable for long-term float standby use under nominal 25°C conditions.
