Optimate 4 QUAD PREMIUM 12v Charger - ideal with BMW & Triumph motorcycles
Features: OptiMate 4 Quad Program tests before and after charging and can recover a flat lead-acid and lithium (LiFePO4) battery from as low as 0.5 volts. nominal: 12V & 12.8V. Use: Indoor / outdoor (lowest temperature -40°c).