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Factory Outlet
J&S Store
J&S Motorcycle Megastore
New Malden
Cheltenham and Gloucester
Hanger Lane
St Albans

The Optimate 4 Can-Bus edition is a charger that successfully communicates with CAN-bus electrical systems. CAN-bus is two-wire system connecting every electrical device on the motorcycle to the central MCU (ZFE microprocessor), including the 12V accessory power socket. The 12V accessory socket is "˜live' (hot - connected to the battery) IF:1. Motorcycle ignition is on or soon after it has been turned off. (delayed "˜off', socket only). 2. If a CAN-bus friendly charger communicates successfully with the ZFE MCU. This allows charge and maintenance of the battery through the 12V socket and without having to directly access the battery. OptiMate 4 DUAL PROGRAM has solved the communication problems with Can.Bus motorcycle models and will automatically charge and maintain the battery. The MCU draws power from the motorcycle battery for the alarm, memory and clock. It turns off when the battery is low, but by then the battery may be too flat to crank the engine. If you leave a lead-acid battery discharged for too long, it will become sulphated and unable to accept any charge through the 12V socket or even directly. OptiMate 4 Dual Program can save a low voltage sulphated battery: Remove the battery from the vehicle to SAVE (desulphate) it. Select program 1 for the high voltage desulphation mode (not active during program 2 CAN-bus mode) and save the battery. After SAVING, re-fit to the vehicle. Do not forget to once again select CAN-bus mode as the DIRECT charge mode does not work through the CAN-bus controlled 12V socket. FYI: The BMW branded chargers have no SAVE (desulphation) mode which is absolutely necessary to save an AGM / GEL battery from a low voltage, sulphated state.
  • Charger that successfully communicates with CAN-bus electrical systems
  • Allows charge and maintenance of the battery through the 12V socket
  • Automatically charge and maintain the battery
  • OptiMate 4 Dual Program can save a low voltage sulphated battery
We aim to send orders out within 1 working day on a next day delivery service with DPD.
If you place your order before 2:00pm Monday to Thursday, we will endeavour to deliver your order the next day. Orders placed on Friday, Saturday and Sunday will be delivered the following Tuesday. Any orders placed on a Bank Holiday will be despatched on the next working day.
To ensure this please call 01606 810800 to check.
You will receive tracking information from DPD so you can track your parcel online and if you have given us your mobile number DPD will contact you by text to keep you up to date with your delivery.
Please note: some addresses take longer to deliver to, for example the far north of Scotland, Northern Ireland, and Off Shore Islands. Please see below for the countries we deliver to, the service level you can expect and delivery costs.
DPD as used by J&S Accessories
United Kingdom UK Mainland - Orders over £20 Next Working Day Free
United Kingdom UK Mainland - Orders of £19.99 and under Next Working Day £3
United Kingdom Scottish Highlands & Islands, Northern Ireland & Scilly Isles - Orders over £20 2-4 days Free
United Kingdom Scottish Highlands & Islands, Northern Ireland & Scilly Isles - Orders of £19.99 and under 2-4 days £3
Channel Islands & IOM Guernsey, Jersey & Isle of Man 2-4 days £15
Europe Zone 1 Austria, Belgium, Czech Republic, Denmark, France, Germany, Ireland, Luxembourg, Netherlands, Poland, Slovenia, & Spain 2-7 days £12
Europe Zone 2 Croatia, Estonia, Finland, Hungary, Italy, Latvia, Lithuania, Portugal, Slovakia & Sweden 4-7 days £20
Europe Zone 3 Bulgaria, Greece & Romania 5-9 days £35
Europe Zone 4 Albania, Bosnia & Herzegovina, Iceland, Liechtenstein, Montenegro, Norway, Serbia & Switzerland 4-7 days £60

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Optimate 4 Can-Bus Edition Charger

Quick Code: 27079
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