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Extends the output cable of any Battery Tender® WaveCharge on-board charger bank by 10 feet with a marine-grade cable and connector assembly built for permanent installation in salt air, bilge, and below-deck environments. For larger boats where the WaveCharge unit and a battery bank are separated by more than 5 feet, the 10ft marine extension bridges the gap without compromising waterproof integrity or requiring relocation of either the charger or the battery.
Tinned copper conductors and waterproof sealed connectors rated for permanent installation in wet marine environments. Corrosion-resistant throughout — suitable for bilge-adjacent routing, engine room installation, and any location subject to salt air, condensation, and moisture exposure.
Use the 10ft marine extension on larger boats where battery banks are distributed across significant distance — engine rooms at amidships with batteries mounted forward or aft, helm-area electrical panels with stern battery banks, liveaboard boats with house batteries separated from the charger by multiple compartments, or any multi-bank installation where one or more banks require more than 5 feet of additional reach.
1-Year Limited Warranty | DeLand, Florida Since 1965
Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717