Lithium Battery Power - 12v 280Ah Lithium Battery. The LBP 12V 280Ah Lithium Battery is a high-capacity 12V deep-cycle power source designed for serious energy storage needs. It delivers long-lasting, reliable power for applications that demand extended runtime, stable voltage and efficient performance. Whether you are building a house bank for your boat, upgrading an RV system or expanding an off-grid solar setup, this battery provides robust 12V storage in a single, compact unit.. Key Features. Dimension - 19.5" x 10.2" x 9.1" (Group 8D). Weight 70.5 LBS. 12V 280Ah high-capacity lithium battery for deep-cycle use. Designed for long-lasting, reliable energy storage. Provides stable voltage output for sensitive electronics and inverters. Supports efficient charging and discharging in demanding applications. Ideal for use as a primary house or storage battery in multi-device systems. Compact form factor compared with similar capacity traditional batteries. Compatibility / Ideal Applicat