I recently ordered a sYT12CL Scorpion AGM battery to replace my soon-to-fail Yuasa YB12AL-A OEM battery (my Battery Bug told me so). I decided to change to an AGM battery to avoid having to take the faux tank completely apart every 3 months to top off the water in the battery. The Scorpion is an exact replacement for the Yuasa YB12AL-A and two respected sources have told me they have used this exact battery with success in the same bike.
I have been using the BMW Maintenance Charger (which I understand is a private labeled Deltran Battery Tender Plus) on my bike regularly because I ride to work a very short distance nearly every day all year 'round. I put the bike on the charger every 2 weeks overnight. In the winter, I put it on the charger all the time I am not riding the bike. I do this because I use Gerbing gear in the winter and I want to start each ride with a fully charged battery. With that pattern of use and charging, my wet cell battery water level has only dropped from Max to half way to Min in 6 months.
I am interested in how others use chargers on AGM batteries. The BMW Maintenance Charger manual says the charger works with SLA (flooded), AGM, and Gel Cell lead acid batteries. I have read that AGM batteries have the same charging characteristics as a wet cell battery, but I also read that Gel Cell batteries have different charging characteristics. I assume the charger must be able to detect the difference, but I have no clue how it would do that.
I have read that when you get a new battery, it is a good idea to charge it fully before installing it, and this will extend the life of the battery.
I would like to hear from anyone running an AGM battery who also uses a charger.
I would assume that a 'smart charger' like the Deltran or the BMW Maintenance Charger would not over charge an AGM battery.
I have friends who use a maintenance charger on their bike year 'round when ever they are not riding the bike. I have only done that during the winter.
Any information on AGM batteries in the F650GS is appreciated.

Bmw Advanced Battery Charging System Manual

Bmw Advanced Battery Charging System Manual

Jan 15, 2018 ️ ️Don't take a chance with improperly charging/trickle charging your BMW battery. ️How Jump Start a BMW ️ ️Link to HIGHLY RE. BATTERY MANAGEMENT SYSTEM OPERATING INSTRUCTIONS. Battery Tender is charging it. The Battery Tender. The Battery Tender ’s Advanced Micro-Chip Circuitry will not activate until both the positive and negative lead clips are correctly connected to a battery. The enhanced charge volume of the battery means that charging devices have had to be advanced, too. For this reason. Intelligent integration in home solar power system and solar-optimised charging.3. Of the new generation of BMW i charging products. Compatible with all BMW i. Battery operation. Up to 4 hours depending on use and settings Battery charging. From motorcycle's on-board network (while travelling), from computer via micro-USB charger cable (supplied), from optional charger, from optional car assembly kit (connection via the cigarette lighter) Charge time: up to 4 hours depending on power source.

Bmw Advanced Battery Charging System User Manual