【Autocessking】&【Anlibatt】are both our professional battery brands. We will randomly deliver one of the two brand to you, which will not affect to use it at all. Please don’t worry about it at all. If have any questions, please contact us and we will solve it for you immediately. Dimensions: 6.54 in x 4.96 in x 6.89 inch; Weight: 18.2 Lbs; CCA: 400 Voltage: 12V; Capacity (10 hours rate): 30Ah; Charge Current (A): 3A; Case Material: ABS; Separator: AGM. Nut & Bolt terminal [- +],Left-Red: Positive (+), Right-Black: Negative (-) Maintenance Free. No need to add acid. Leak free, sealed design prevents corrosion.The Acid inside is constructed with Absorbed Glass Mat technology allowing for a low-maintenance and spill proof battery. Rechargeable battery. This battery comes already charged, sealed, maintenance free, and ready to install. This battery comes already charged, sealed, maintenance free, and ready to install.The Acid inside is constructed with Absorbed Glass Mat technology allowing for a low-maintenance and spill proof battery. Patented sealed post prevents corrosion which gives extended battery life.