CSB MSJ-1000 2V 1000Ah VRLA-AGM Telecom Battery

Product Features

Valve-regulated lead-acid (VRLA) design
Absorbent glass mat (AGM) technology, maintenance-free, with up to 99% gas recombination efficiency
Pure lead plates with proprietary formulation elements
Engineered for high-capacity float standby power applications
Manufactured in compliance with IEC 60896-21/22:2004, UL1989 certified (MH14533)

Application Scenarios

Fiber access network central office backup
Telecom base station DC power backup
Telecom equipment room 48V DC systems
Microwave relay station DC power backup
Mobile communication core network backup power
Broadband access equipment backup power

Product parameters

Model：MSJ-1000
Voltage：2 Vdc
Nominal Capacity：1000 Ah @10hr-rate
Ah Capacity：1016.00 (8-Hr 1.75 VPC @ 25°C)
Ah Capacity：1050.00 (20-Hr 1.75 VPC @ 25°C)
Ah Capacity：984.00 (8-Hr 1.80 VPC @ 25°C)
Max. Charge Current：300.00 A
Max. Discharge Current：6000 A
Internal Resistance：0.28 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：72.80 / 160.45 kg / lb.
Width (W)：171.0±2.0 / 6.73±0.08 mm / in
Height (H)：339.0±2.5 / 13.15±0.10 mm / in
Depth (D)：471.0±2.5 / 18.54±0.10 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-1000 is a 2V VRLA-AGM valve-regulated sealed lead-acid battery in the MSJ series, positioned by the manufacturer as a high-capacity, long-life battery for telecom backup applications. In 25°C float standby service, its design life is up to 20 years; measured against the Eurobat 20°C standard, it falls in the over-12-year ultra-long-life category. The battery uses absorbed glass mat (AGM) technology, achieves gas recombination efficiency of up to 99%, features a maintenance-free design, and is made with a pure lead construction plus proprietary formulation elements. In terms of capacity, the MSJ-1000 has a nominal capacity of 1000Ah, measured at 1.80VPC, 25°C, and the 10-hour rate. Other capacity ratings include: 1016.00Ah at the 8-hour rate and 1.75VPC, 1050.00Ah at the 20-hour rate and 1.75VPC, and 984.00Ah at the 8-hour rate and 1.80VPC. The battery has a nominal voltage of 2Vdc, internal resistance of 0.28 mΩ, maximum charge current of 300.00A, and maximum discharge current of 6000A. For charging and temperature conditions, the float voltage at 25°C is between 2.21 and 2.25Vdc, and the equalize voltage is 2.35Vdc. The nominal operating temperature is 25°C; the allowable discharge temperature range is -15°C to 50°C, and the allowable charge and storage temperature range is -15°C to 40°C. Regarding self-discharge, storage at 25°C for 90 days results in less than 10% capacity loss, with a maximum storage period of 6 months; the battery must be fully charged before use. If storage temperature exceeds 25°C, supplementary charging should be performed sooner. In terms of construction, the MSJ-1000 case uses flame-retardant ABS material meeting UL 94-V0 requirements. The terminals are I4 threaded copper alloy terminals compatible with M8 bolts, with a terminal torque of 126±25 Kgf·cm, 109±22 Lbf·in, or 12.3±2.5 N·m. Dimensions are 171.0±2.0mm width, 339.0±2.5mm height, and 471.0±2.5mm depth, with a weight of 72.80kg. The product is manufactured to IEC 60896-21/22:2004 and is UL1989 recognized (MH14533). It is designed for high-capacity float standby power applications, and its official application area is telecommunications, making it suitable as backup power for communication systems.