BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | WATERCRAFT ELECTRICAL ELECTRICAL 178 OPTIMATE™ 5 SELECT SILVER •Eight-step 6V 4A/12V 3A sealed battery saving charger and maintainer • Saves, charges and maintains all 6V/12V lead-acid batteries •Ideal for deep cycle and starter (SLI) lead acid batteries •Fully automatic program brings the battery safely to full charge without any supervision required 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 OPTIMATE™ 6 SELECT •Perfect for starter and deep-cycle 12V batteries that demand accurate temperature-controlled charging and safe unsupervised long-term maintenance •Voltage selection (14.4V/14.7V) ensures the battery receives charge at the correct voltage •Power supply mode delivers stable power for vehicle system reprogramming, showroom vehicle demo or retaining memorized settings when battery cables are disconnected to fit powered accessories or replace the battery •OptiMate™ 6 Select charging amps: 5A (ampmatic) @ 14.4V/14.7V; 4A @ 13.6V •OptiMate 6 Select gold charging amps: 6A @ 14.4V/14.7V; 4A @ 13.6V •Use indoors or outdoors (lowest temperature: -40 °F (-40 °C)) •Low volt start of 0.5V and two-step desulphation recovery • Ideal for STD,AGM, gel and deep cycle 12V batteries from 3Ah to 240Ah •Input: global (100V to 240V 50Hz to 60Hz), high-efficiency (CEC listed), fully sealed •Weatherproof case with wall mounts •Six-foot AC supply lead and six-foot charge lead ending in SAE connector •Weatherproof battery lead and standard battery clip set included 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 DESCRIPTION PART # OptiMate™ 5 select silver 3807-0571 DESCRIPTION PART # OptiMate™ lithium LFP 4s 10A battery charger 3807-0576 DESCRIPTION PART # OptiMate™ 6 select gold 3807-0575 DESCRIPTION PART # OptiMate™ lithium quad bank charger 3807-0266 •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
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