The Optimate range of battery chargers is highly rated worldwide. They have developed the OptiMate battery saving charging method in 1995, with the purpose of saving AGM, GEL and STD lead-acid batteries that have stopped working simply due to neglect. Battery Performance Guaranteed (the most trusted charger in power sports) 3-Year Product Replacement Warranty OptiMate 4s 0.8A TM-470 OptiMate 4s 0.8A Product Brochure (PDF) OptiMate 4s 0.8A Instruction Manual (PDF) Unique LiFePO4 battery protection. The OptiMate Lithium 0.8A 4S charges LiFePO4 / LFP (Lithium Iron Phosphate) 4-series batteries with a nominal voltage of 12.8V – 13.2V. SPECIAL FEATURES: Saves low voltage LiFePO4 batteries Specialized LiFePO4 charge cycle Maintains & protects LiFePO4 batteries Battery BMS reset CHARGING AMPS: 8A USE: Indoor / Outdoor (lowest temperature: -4°F / -20°C). SAVE: Low Volt Start of 0.5V 3 step low volt save & test. IDEAL FOR: LiFePO4 (LFP) 4 series cell 12.8 / 13.2V batteries from 1 – 10Ah. INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed. STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. Weatherproof battery lead& standard battery clip set. SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected. 3-year limited replacement warranty.
