Nix Warehouse — Everything Your Adventure Needs
Newmar Power

Newmar 2-3-70 Battery Isolator

In StockNewSKU: 2-3-70
$310.25$365.00per unit
1
Secure Checkout
Shipping Available
Fast Processing

Description

2-3-70 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: 2
  • Battery Bank: 3    
  • Max. Amperage Input Capacity: 70
  • Stud Terminal Size: 6mm    
  • Dimensions (L x W x H): 6.5 x 4.5 x 3.1 inches
  • Weight: 4 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.

Accessories

No accessories listed for this product.

Specifications

SKU2-3-70
UPC—
BrandNewmar Power
CategoryElectrical
Country of Origin—
Weight2.69
Dimensions10 x 9 x 4
StatusActive
Last Synced8/17/2026, 1:13:00 AM

Compliance & Shipping

Non-Returnable

Product Literature

Customer Reviews

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Only customers who purchased this item can write a review.

No reviews yet. Purchased this item? Be the first to review it.

Frequently Bought Together

Compare Key Features

Feature
Newmar 2-3-70 Battery Isolator

Newmar 2-3-70 Battery Isolator

CURRENT
Victron Argo FET Battery Isolator - 200AMP - 2 Batteries

Victron Argo FET Battery Isolator - 200AMP - 2 Batteries

ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator

ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator

Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries

Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries

Victron Argo FET Battery Isolator - 100AMP - 2 Batteries

Victron Argo FET Battery Isolator - 100AMP - 2 Batteries

Price$310.25$119.85$431.79$90.10$100.30
BrandNewmar PowerVictron EnergyProMarinerVictron EnergyVictron Energy
ConditionNewNewNewNewNew
AvailabilityIn StockIn StockIn StockIn StockIn Stock
Weight2.693.133.312.513.28
Dimensions10 x 9 x 412 x 7 x 313 x 7 x 37 x 6 x 310 x 6 x 3
SKU2-3-70ARG200201020R22034ARG160201020ARG100201020
Country—INDIACHINAINDIAINDIA
View ItemView ItemView ItemView ItemView Item

You Might Also Need

More from Newmar Power

View All

Related Products

Customers Also Viewed

Frequently Asked Questions

Price

$310.25