BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | WATERCRAFT ELECTRICAL ELECTRICAL 180 DESCRIPTION PART # OptiMate™ DC to DC 3807-0339 OPTIMATE™ 12V TO 12V 2A DC TO DC BATTERY CHARGER •Charge and maintain your battery without AC power •First in the range to be powered from a DC source or another 12V battery to remotely save, recharge and maintain your stored vehicle’s 12V lead-acid battery •Great option for emergency vehicle-to-vehicle charging •Extended maintenance guaranteed by the high-efficiency electronics and processor control •Built-in protection prevents deep discharge of the source battery DESCRIPTION PART # OptiMate™ Test 3807-0245 OPTIMATE™ TEST TS121 BATTERY AND CHARGING SYSTEM/ ALTERNATOR TESTER • Fast, accurate and professional on-vehicle testing of 12V batteries and charging systems •Checks battery voltage to provide an indication of battery health; checks battery starting power and checks charging system without disassembly by indicating low charging voltage • Connects directly to the battery or “live” 12V outlet •Battery clips are removable and replaceable • Includes two cable straps, adhesive hook-and-loop straps and screws for use if mounting the removable backplate into an enclosure DESCRIPTION PART # OptiMate™ USB O-108 kit 3807-0477 DESCRIPTION PART # Optimate USB O-108 for lithium 3807-0524 OPTIMATE™ USB O-108 KIT • Charge your phone, GPS, camera or tablet on your motorcycle or up to 80” away with this weatherproof charger •Low-input (less than 12.3V) auto-off protects vehicle battery from total discharge •12V power through an industry standard SAE two-pin connector and a 40” supply cable • 5V 3300mA true output via a 40” USB output cable with sealing cap for USB socket • Short-circuit, overheat and over-voltage protection • Apple 1A charge confirmation “handshake” built in •PART #3807-0524 has reprogrammed battery status lights to work better with lithium batteries •Includes O-31 battery lead with 10A fuse 3807-0477 DESCRIPTION PART # O-31 charging cables 3807-0685 OPTIMATE™ CABLE O-31 CHARGE CABLES • Easy permanent weatherproof connection, with SAE connector, to the 12V lead-acid & 12.8V/13.2V LiFePO4/LFP lithium battery •Ring terminals fit standard M6 (1/4”) bolts •Includes a SLIM SAE connector •Rubber black and green sealing cap to prevent water/ dirt ingress & zip-tie slits for securement •Includes a black and green sealing cap • 20” length •Rated for use down to -40 °F (-40 °C) •Comes in packs of 20 DESCRIPTION PART # Single battery connection lead 3807-0159 4 pk. 3807-0424 DESCRIPTION PART # 20 pk. 3807-05401 100 pk. 3807-0060 1 Dual-size 1/4” and 5/16” ringlets. 1/4” EYELET SAE BATTERY CONNECTION LEADS •Premium quick-connect permanent battery lead with weather-protected connection system and cable •1/4”/M6 ringlets • 20” L • Industry standard two-pin, heavy-duty SAE connector •15A fuse •Cable max rating: 5A •Cable remains flexible at below freezing temperatures; rated for -40 °F/-40 °C •Sold each to consumers (except 4 pk.) 3807-0424 3807-0540 3807-0159
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