BOLD MAGENTA part numbers are new for 2026 ELECTRICAL PARTS-UNLIMITED.COM SNOW | 2026 ELECTRICAL 655 DESCRIPTION PART # OptiMate™ lithium 4S 3807-0576 OPTIMATE™ LITHIUM 4S •10-step 12.8V 10A sealed battery saving charger and maintainer •The fastest professional battery charger for 12.8V/13.2V (LiFePO4/LFP) performance/race batteries • Includes a TUNE mode for diagnostics or updating programming • Automatically and safely charges, tests and maintains LiFePO4/LFP or deep cycle batteries •Ampmatic charge control adjusts current to match battery size and condition •Low-volt start of 0.5V •Push button-activated BMS wakeup mode safely wakes battery out of sleep mode or low discharge • Smart, 24/7 interactive maintenance prevents discharge from connected circuitry and guarantees more battery power and longer battery life DESCRIPTION PART # OptiMate™ lithium 0.8A 3807-0265 OPTIMATE™ LITHIUM 0.8A AFFORDABLE LiFePO4 BATTERY MAINTAINER •Protects LiFePO4 batteries in the most effective way •Protects a large investment and guarantees Lithium Iron Phosphate (LiFePO4/LFP) batteries will perform as advertised for a very long time •A unique LiFePO4-specific program recharges and balances cells within the battery efficiently and safely •OptiMate™ Lithium 0.8A’s maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge DESCRIPTION PART # OptiMate™ lithium quad bank charger 3807-0266 OPTIMATE™ LITHIUM 0.8A x4 4-BANK AFFORDABLE LiFePO4 BATTERY MAINTAINER •Protects LiFePO4 batteries in the most effective way •Protects a large investment and guarantees Lithium Iron Phosphate (LiFePO4/LFP) batteries will perform as advertised for a very long time •A unique LiFePO4 specific program recharges and balances cells within the battery efficiently and safely •Maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge •Maintains up to four LiFePO4 batteries at one time
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