Product Description
CJ12-40 – 12V 40Ah Sealed Lead Acid Battery is a general-purpose, high-capacity, maintenance-free rechargeable battery engineered to provide reliable standby and backup power for essential systems including alarm panels, emergency lighting, UPS units, fire systems, medical equipment, telecommunications, and other critical low-voltage applications. Designed as part of the trusted CJ Series, this battery meets IEC, JIS, BS and Eurobat quality standards and delivers consistent, long-lasting performance with a 10-year floating design life for extended reliability.
Constructed with advanced AGM (Absorbent Glass Mat) Valve Regulated Lead Acid (VRLA) technology and a heavy-duty internal grid and thick plate structure, the CJ12-40 battery offers safe, sealed, leak-proof operation with minimal maintenance. Its robust ABS housing and versatile Faston terminal options allow for easy installation across a wide range of backup power systems, while low self-discharge ensures dependable standby service life even after long storage.
Key Features:
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12V, 40Ah capacity for strong backup power in critical applications
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AGM VRLA design — maintenance-free, sealed, and leak-proof for safe operation
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10-year floating design life, typical of CJ Series batteries
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High short-burst discharge capability with up to 400A maximum discharge current (5 s)
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Robust ABS housing with F4/F11 terminal options for secure connectivity
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Wide operating temperature range (-20 °C to +60 °C) for dependable performance
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Ideal for UPS systems, alarm panels, emergency lighting, fire systems, medical equipment, telecom, and general backup applications
