ML35-12LI-U1 12V 35Ah U1 LiFePO4 Battery — 2-Pack (Drop-in Replacement for Sunnyway SW12145W)

ML35-12LI-U1 is a sealed, maintenance-free lithium iron phosphate (LiFePO4) battery with a 12V, 35Ah capacity in a U1 case size. This product is sold as a Pack of 2 and works as a direct drop-in replacement for lead-acid batteries, including compatibility with Sunnyway SW12145W. Dimensions: 7.56 inches x 5.19 inches x 6.69 inches. Terminal: Internal Thread. Listing includes the batteries and screws only; no wire harnesses or mounting accessories are provided. Built-in Battery Management System (BMS) offers high voltage protection, low voltage protection, over high current protection, high temperature protection, short circuit protection, and over charge protection. Expect a longer service life—approximately 2500 cycle life expectancy—while being lighter and stronger than traditional sealed lead acid batteries. These batteries can be connected in parallel or in series, with a maximum of 4 identical batteries per system. Use only a compatible lithium charger with this battery. Note: loose terminals can generate heat and damage the battery. Backed by a 30 day refund policy and a 2 year warranty.