FREE SHIPPING OVER $99

BEST PRICE GUARANTEED

EARN POWERBOAT REWARDS

SUPPORT M-F 9-5 EST: 856-232-6969

  • Newmar 1-3-70 Battery Isolator
Marine parts, fast fulfillment, real support
Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.
✓ Fast shipping ✓ Fitment help ✓ Secure checkout

Newmar 1-3-70 Battery Isolator

Marine parts, fast fulfillment, real support
Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.
✓ Fast shipping ✓ Fitment help ✓ Secure checkout
Brand:
Part Number:
CW-102297
$283.00 $227.49
— You save $55.51
Earn $6.82 in PBS Store Credit
Availability: In Stock - Ships same or next business day. Shipping: Free Shipping Over $99
Prices may increase soon. Order now to secure today's pricing.


Get back on the water faster — ships next business day.
Trusted by boat owners & marine techs
Real OEM parts, fast shipping, and support from a Mercury Platinum Dealer.
✓ Best Price ✓ Fast Fulfillment ✓ Trusted Fitment ✓ Real Support
✓ 18,500+ verified 5-star reviews

Description

1-3-70 Battery Isolator

This heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each battery is charged according to its need without overcharging and is rated for 12-, 24-, or 36-volt negative ground DC systems. 

Features:

  • Conservatively rated diodes and a rustproof anodized aluminum heat sink case.
  • Heavy-duty construction
  • Rated for systems up to 48 volts DC, negative ground
  • Rust-proof anodized aluminum case
  • Stainless steel mounting hardware is provided
  • Protective covers are provided for terminals

Specifications:

  • Alternator Sources: 1
  • Battery Bank: 3    
  • Max. Amperage Input Capacity: 70
  • Stud Terminal Size: 6mm    
  • Dimensions (L x W x H): 3.25 x 4.5 x 3.1 inches
  • Weight: 2 lbs.
  • Operating Temperature: -40 to +80 degrees
  • Duty Cycle: Continuous rating to 50 degrees C Derate linearly to 70% @ 80 degrees C.
  • Temp. Rise: 5 degrees C at full rated current (mount vertically for optimum cooling)
  • Voltage Drop: 0.7V @ 50% load, 0.9V @ full load

*Note: These battery isolators are not compatible with self-exciting alternators. The alternator must have an external excitation lead. Please consult the manufacturer of your alternator if you are unsure of your configuration

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
View AllClose

Warranty Information

We are an authorized reseller for all products listed on our website. Please contact the manufacturer for warranty info.
View AllClose

Specs

MPN:
1-3-70

Reviews

View AllClose