Milenco OptiMate 10 – 12V 10A 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.
High-output workshop performance with campsite-safe care. Milenco OptiMate 10 is a 10A smart charger that charges, maintains and recovers 12V lead-acid batteries (flooded, AGM, gel, EFB/Start-Stop) on motorhomes, caravans, vans, cars and boats. It analyses the battery, applies the correct program automatically, and can desulfate to recover neglected batteries. Leave connected for long-term maintenance; it will safely keep your battery at 100 percent without overcharging.
Why choose OptiMate 10
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10A output for faster, controlled charging of large leisure batteries
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Multi-stage program: save/recover, charge, maintain and test
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Desulfation mode to help recover sulphated batteries
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Maintenance/float program for safe, long-term connection
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Temperature-smart/Ampmatic control adjusts to battery size and condition
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Power supply mode available for diagnostics or voltage support (e.g., during ECU memory swaps)
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Fully automatic, spark-safe, reverse-polarity and short-circuit protected
Key details
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Battery types: 12V lead-acid (flooded, AGM, gel, EFB)
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Typical battery sizes: suitable for small to large leisure/automotive batteries
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Output current: up to 10A
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Mains supply: 220–240V AC, 50/60 Hz
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Status LEDs show charge progress and battery check results
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Robust, weather-resistant casing for workshop and touring use
What’s included
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OptiMate 10 charger unit
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Crocodile clamp lead (quick-connect)
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Fused ring-terminal lead for permanent fitment
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Mains lead and user guide
Use notes
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Connect ring terminals to the battery for easy plug-in maintenance; use clamps for quick charging.
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For long storage periods, leave connected; the charger will maintain safely.
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Always match charger clips/ring leads to correct polarity (red = +, black = -).
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Keep the unit ventilated and off the ground when in use.