Ultramax LI100-12HTRBLU 12v 100Ah Lithium Iron Phosphate (LiFePO4) Battery with integrated heating plate and Bluetooth Energy Monitor Product Code: SLAUMXLI100-12HTRBLU Battery Product Code: SLAUMXLI100-12HTRBLU Dimensions: L: 325mm | W: 165mm | Ht: 211mm Weight: 12.5Kgs This battery comes with a heating plate and a charger Please note: Bluetooth functionality can drain your battery, therefore your battery needs to be charged regularly and the terminal voltage must not drop below 8V. We recommend charging when on standby once every month. Your battery can be damaged irrevocably if not charged. For Apple mobile phones, please download UMXLI Battery For Android mobile phones, please download UMXLI BMS