Milenco OptiMate 6 – 12V Smart Battery Charger, Maintainer & Desulfator
14-day returns on all eligible orders
Contact us within 14 days of receiving your order to request a return.
Shipping information
Orders are picked, packed and dispatched from our Northampton warehouse.
- Free delivery to mainland UK addresses on orders of £40 or more.
- Orders under £40, and orders to Northern Ireland, have a delivery charge, shown at checkout before you pay.
- You will get an email with your tracking number once your order has shipped.
Full details are in our Shipping Policy.
Returns & warranty
Changed your mind? You can return an online order within 14 days of receiving it. Please contact us first for return instructions, then you have 14 days to send the goods back.
- Items must be unused, complete and in their original condition, with all accessories, instructions and original packaging.
- You arrange and pay for the return postage on change-of-mind returns. We refund the price of the item plus our standard delivery charge.
- Damaged in transit? Let us know within 48 hours of delivery - photos help.
- Faulty or wrong item? Contact us before sending anything back. Faulty goods are covered by your statutory rights.
Your statutory rights are not affected. Full details are in our Refund Policy, or email onlinesales@nn4online.co.uk.
Give your leisure battery proper care on and off the road. Milenco OptiMate 6 is a multi-stage 12V smart charger that charges, maintains and can recover neglected lead-acid batteries. It analyses the battery, applies the correct program automatically and then keeps it at 100 percent for long-term storage without overcharging. Ideal for motorhomes, caravans, campervans, cars, motorcycles and boats.
Why choose OptiMate 6
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Automatic multi-step program: analyse, recover, charge, test, maintain
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Desulfation mode can help save sulphated batteries
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Safe to leave connected long-term; will not overcharge
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Spark-safe, reverse-polarity and short-circuit protected
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Weather-resistant casing with clear status LEDs
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Works with deep-cycle and starter 12V lead-acid types (flooded, AGM, gel, EFB)
What’s included
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OptiMate 6 charger unit
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Crocodile clamp lead (quick connect)
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Fused ring-terminal lead (for permanent, easy plug-in)
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Mains lead and user guide
Use notes
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For easiest upkeep, fit the ring-terminal lead to the battery and plug the charger in when parked.
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Match polarity (red = +, black = -) and ensure good ventilation while charging.
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For long storage, you can leave OptiMate 6 connected; it will maintain safely and test the battery periodically.