1) Tecmate OptiMATE 1 Duo 12V battery charger

With EU wall plug. 4-step cost-effective 12V/12.8V 0.6A Battery charger-maintainer for 12 Volt (2-30Ah) lead-acid, AGM, GEL and 12.8/13.2V lithium (LiFePO4) batteries. Offers precision micro processor controlled charging and long term maintenance. Perfect for vehicles that are seldom or seasonally used, or in storage. The OptiMate maintenance program provides what the battery needs, never overcharges, never undercharges. - Charging Amps 0.6A (constant current) - Indoor (lowest temperature: -4°F / -20°C) - Stand-by power less than 0.5W - Save: Low Volt Start from 4V - For Lead Acid, AGM & GEL 12V batteries from 2 to 30Ah & Lithium (LiFePO4) 12.8/13.2V batteries - Input: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed - Dust proof plug-in case - Incl. 12ft / 370cm charge lead ending in SAE connector - No risk of overcharging - Sparks suppressed - Safe for vehicle electronics - Safe for long-term battery maintenance - Automatic shut-down if short-circuited or battery disconnected

2) Tecmate, OptiMATE 4 Quad Program 12V battery charger

9 step 12V / 12.8V 1.25A sealed battery saving charger & maintainer for AGM, GEL & STD 12V batteries from 4 – 60Ah & Lithium (LiFePO4) 12.8/13.2V batteries from 2 – 15Ah. OptiMate 4 Quad Program tests before & after charging and can recover a ‘dead-flat’ lead-acid & lithium (LiFePO4) battery from as low as 0.5 Volts. - Selectable, 4 charge programs: 1).12V Smart desulphation: 0.5V - 14.4V. 2). BMW CAN-bus compatible: 5V - 14.4V. 3). 12.8V Low Volt Recovery: 0.5V - 14.4V. 4). BMW CAN-bus compatible: 8.8V - 14.4V. - Charging Amps: 1.25A (constant current) - Indoor / Outdoor (lowest temperature: -40°F / -40°C) - Save: Low Volt Start of 0.5V + 2-step* desulphation recovery (*1-step low volt pulse save during CAN-bus mode) - For 4 x Lead Acid, AGM & GEL 12V batteries from 3 to 50Ah - Input: Global (100-240V 50-60Hz), high efficiency (CEC listed) - Weatherproof case with wall mounts - Incl. 6ft. / 180cm AC supply lead and 6ft. / 180cm charge lead ending in SAE connector. Weatherproof battery lead, battery clip set & hanging hook - No risk of overcharging - Sparks suppressed - Safe for vehicle electronics - Safe for long-term battery maintenance - Automatic shut-down if short-circuited or battery disconnected.