The AllSpark AS-12150SLIMBT is a 150Ah 12V slimline LiFePO4 (lithium iron phosphate) deep-cycle battery purpose-built for space-constrained caravan and 4WD installations. At just 68mm case depth, it slots neatly into tight battery compartments where a standard AGM or sealed lead-acid battery simply won't fit — yet delivers the full 150Ah rated capacity at 12.8V nominal, with up to 2000+ charge/discharge cycles and integrated Bluetooth monitoring so you can track voltage, state-of-charge, and cell health in real time from your smartphone. The built-in BMS guards against overcharge, over-discharge, over-current, and short-circuit events, making it one of the safest lithium options available for enclosed caravan cabinetry and under-floor compartments.

Designed for the demands of Australian touring, the AS-12150SLIMBT is equally at home as a house battery in a caravan or motorhome, a secondary battery in a 4WD dual-battery system, or the solar storage bank in a camper trailer setup. It pairs directly with most MPPT and PWM solar charge controllers as well as DC-DC chargers, making integration into existing 12V systems straightforward. Its substantially lighter weight versus equivalent AGM batteries helps protect your tow vehicle's payload rating on long outback runs, and the M8 bolt terminals are compatible with standard Anderson plug and bus bar wiring configurations used across the industry.

Key Features

• 150Ah rated capacity at 12.8V nominal in an ultra-slimline 68mm case depth
• Integrated Bluetooth monitoring — track voltage, current, SOC, and cell health via iOS or Android app
• Built-in BMS with overcharge, over-discharge, over-current, and short-circuit protection
• LiFePO4 chemistry delivers 2000+ charge/discharge cycles and eliminates thermal-runaway risk
• Compatible with MPPT/PWM solar charge controllers and DC-DC chargers — drop-in dual-battery upgrade