CSB MSJ Series Telecom Dedicated 2V VRLA-AGM Battery

The CSB MSJ Series is a 2V VRLA-AGM battery combining high capacity with long life, supporting up to 20 years in float standby, officially designated for telecom. Nine models, MSJ-150 to MSJ-1000.

Model	Specification	Weight	Description
MSJ-500	2V 500Ah	36.50 kg	Designed for telecom float backup power requirements, CSB introduces the MSJ-500, a 2V valve regulated sealed lead acid (VRLA-AGM) battery. It offers a nominal capacity of 500Ah (10-hour rate, 1.80VPC@25°C) and a design float life of up to 20 years. The case is made of flame-retardant ABS, and the terminals are constructed from copper alloy.
MSJ-650	2V 650Ah	46.60 kg	As a 2V VRLA-AGM battery in the MSJ series, the CSB MSJ-650 provides 650Ah nominal capacity at the 10-hour rate, primarily serving telecom float charge backup power. This product utilizes a pure lead construction and AGM gas recombination technology, with a design float charge life of up to 20 years.
MSJ-800	2V 800Ah	56.70 kg	The CSB MSJ-800 is a 2V VRLA-AGM battery in the MSJ series with a nominal capacity of 800Ah at the 10-hour rate, designed primarily for telecom backup power. It has a float charge voltage of 2.21~2.25Vdc and a design life of up to 20 years at 25°C under float charge conditions.
MSJ-1000	2V 1000Ah	72.80 kg	The CSB MSJ-1000 is a 2V VRLA-AGM battery in the MSJ series with a nominal capacity of 1000Ah at the 10-hour rate, a float standby design life of up to 20 years, a flame-retardant ABS case, and I4 copper alloy terminals, primarily used as a telecom backup power source.
MSJ-150	2V 150Ah	12.80 kg	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.
MSJ-200	2V 200Ah	15.00 kg	The CSB MSJ-200 is a 2V 200Ah Valve Regulated Sealed Lead Acid battery built on AGM technology, primarily used for telecom float backup power, with a design life of up to 20 years, a flame-retardant ABS case, and compliance with IEC and UL standards.
MSJ-260	2V 260Ah	18.70 kg	The CSB MSJ-260 is a 2V VRLA-AGM battery in the MSJ series with a nominal capacity of 260Ah (1.80VPC@25°C, 10-hour rate). Designed for telecom backup power, it offers a float charge design life of up to 20 years, a flame-retardant ABS case, and copper alloy terminals.
MSJ-300	2V 300Ah	21.80 kg	The MSJ-300 is a 2V VRLA-AGM battery in CSB's MSJ series with a nominal capacity of 300Ah (10-hour rate, 1.80VPC@25°C). It is designed primarily for float backup power in telecom applications, with a design float life of up to 20 years, and features a flame-retardant ABS case and copper alloy terminals.
MSJ-400	2V 400Ah	28.60 kg	The CSB MSJ-400 is a 2V VRLA-AGM battery in the MSJ series with a nominal capacity of 400Ah (25°C, 1.80VPC, 10-hour rate). It is designed primarily for high-capacity float backup needs such as telecom communications, with a design float life of up to 20 years.