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.

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OptiMate 4 BMW CANbus 12V Motorcycle Automatic Battery Charger Optimiser

Product ID: 56615235

Details

Brand
Optimate
Colour
Black
Item weight
901 Grams
Output voltage
12 Volts
Specification met
CE

🔋1A precision charging current

🔌Includes DIN plug & clamp cables

⚙️Dual-mode BMW CANbus & standard

974 zł

Duties & taxes included

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Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Charge smarter, ride farther — never miss a beat with OptiMate 4!

COMPACT PORTABLE DESIGN - Lightweight 901g charger with bench-ready accessories for on-the-go or workshop use.
VERSATILE BATTERY SUPPORT - Optimized for AGM, MF, STD, GEL, and spiral cell batteries from 2Ah to 50Ah—one charger to rule them all.
ADVANCED 2 STAGE DESULFATION - Revive and extend battery life with low-voltage start and desulfation recovery technology.
TRUSTED PERFORMANCE SAFETY - CE certified with 4.7-star rating from 285+ users—join the savvy riders who never get stranded.
SMART BMW CA NBUS COMPATIBILITY - Seamlessly switch between BMW CANbus and standard charging modes for ultimate battery care.

The OptiMate 4 BMW CANbus is a 12V automatic battery charger and optimiser designed specifically for BMW motorcycles. It delivers a precise 1A charging current with dual-mode compatibility for BMW CANbus and standard batteries, supporting a wide range of battery types from 2Ah to 50Ah. Featuring advanced 2-stage desulfation technology, it revives battery health while including essential accessories like DIN plug and clamp cables. Lightweight and CE certified, it’s trusted by hundreds of riders for reliable, safe battery maintenance.

Specifications

ASIN	B073V39C6W
Amperage	1 Amps
Best Sellers Rank	124,748 in Automotive ( See Top 100 in Automotive ) 529 in Car Battery Charging Units
Brand Name	Optimate
Colour	Black
Compatible Devices	BMW motorcycles
Connector Types	DIN, Battery Clamps
Current Rating	1 Amps
Customer Reviews	4.7 4.7 out of 5 stars (285)
Input Voltage	12 Volts
Item Weight	901 Grams
Manufacturer	Optimate
Manufacturer Part Number	TM352
Model Number	TM352
Number of Items	1
Number of Packs	1
Number of Ports	1
Output Voltage	12 Volts
Specification Met	CE

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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974 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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