Would this work on a 2005 bmw1200 gs. Does it keep battery topped uo if not using

Yes it will, and canbus Optimates can be switched to normal operation too to charge-up other stuff, often useful

Hi - is this the correct one for a Harley Sportster? Thanks

Hi - the Optimate will do bikes with Canbus wiring (my BMW) and can switch to keep charging via other wiring systems as well. The instructions explain how to switch from one system to another as you need, not sure which will apply to Harley but it does both anyway.

Is this compatible with a 2019 tiger 1200?

Providing you have a din socket you can charge the bike through then it will work.

I assume i can use this on 2018 f850 gs in can-bus mode?

I'm using this on my 2019 R1250RS on can- bus mode successfully.

Optimate 4 Dual Bmw | Desertcart Japan

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Description

🔋 Power up your ride with precision and confidence!

PLUG PLAY CONVENIENCE - Includes DIN plug and clamp cables for easy bench or on-bike charging—never get stranded again.
SMART LOW VOLTAGE START - 0.5V low voltage start ensures even deeply discharged batteries get a second chance.
UNIVERSAL BATTERY SUPPORT - Perfectly charges AGM, MF, STD, GEL, and spiral cell batteries from 2Ah to 50Ah—one charger for all your rides.
ADVANCED 2 STAGE DESULFATION - Revive and extend battery life with intelligent desulfation recovery technology.
SEAMLESS BMW CA NBUS COMPATIBILITY - Switch effortlessly between standard and BMW CANbus modes for optimized charging.

The OptiMate 4 BMW CANbus is a 12V automatic battery charger and optimiser designed specifically for motorcycles, supporting a wide range of battery types (AGM, MF, GEL, spiral) from 2Ah to 50Ah. Featuring a 1A charging current, it offers smart low voltage start and a 2-stage desulfation recovery process to extend battery life. Its dual-mode charging supports both standard and BMW CANbus systems, ensuring compatibility and safety. Accessories include DIN plug and clamp cables for versatile charging options, making it an essential tool for any BMW rider aiming to avoid unexpected battery failures.

Specifications

ASIN	B073V39C6W
Amperage	1 Amps
Best Sellers Rank	68,180 in Automotive ( See Top 100 in Automotive ) 332 in Car Battery Charging Units
Brand Name	Optimate
Colour	Black
Connector Types	DIN, Battery Clamps
Country of Origin	China
Current Rating	1 Amps
Customer Reviews	4.7 4.7 out of 5 stars (283)
Input Voltage	12 Volts
Item Weight	901 Grams
Manufacturer	Optimate
Manufacturer Part Number	TM352
Model Number	TM352
Number of Ports	1
Output Voltage	12 Volts
Specification Met	CE
Unit Count	1.0 count

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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OptiMate 4 Dual BMW

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