Optimate 4 Dual Battery Tender

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The Optimate 4 Dual Program is the ideal battery charger to keep your battery in top condition. The Optimate 4 Dual is suitable for all 12V batteries (except Lithium) with a capacity from 3Ah to 50Ah. Through the 9-step charging process, the Optimate 4 dual keeps your battery charged and maintained in the best possible way.

SKU: Optimate-4-dual

In stock


- Suitable for all 12V batteries (except Lithium).
- Battery capacity between 3Ah to 50Ah.
- Protection against overcharging
- 9 Steps Charging Process
- Charges and maintains your battery automatically.
- Keeps your battery ready for use.
- Weatherproof housing with built-in & wall mounting prepared

The Optimate 4 is equipped with two programs
- program 1 (default): is the normal charging program for direct connection to a battery in any possible condition.
- program 2 (CAN bus): automatically activates a 12V output on vehicles equipped with a CAN bus, for charging, testing and servicing the battery when the vehicle is parked.


Length: 200mm
Width: 75mm
Height: 61mm
Weight: 0.9 KG

Compatible withGel/ conventional/ maintenance free batteries
Battery saverYes
Charging cables1
Battery capacity3-50Ah

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