I just ordered a new battery for my 750, and I went with an AGM (activated glass mat) battery from . Their particular model is an . Haven't installed it yet, but I've had one in my '97 Monster for years now. That battery has actually outlived a couple different batteries in the Paso - a Yuasa and most recently (and most disappointingly) an Interstate. I got this MotoBatt unit for about the same price I paid for the Interstate a couple years ago, so I'm hoping its performance is more like what I've come to expect from the other one I have.

I guess I'll have to come back in a couple years and follow up. In the meantime, I just thought it was worth mentioning. I've considered going to a lithium-iron/lithium-ion battery, but I've been pretty impressed with these MotoBatts, I figured I'd go with something I knew. I am curious though, if anyone else has gone that route - which brand you chose, and what your assessment is.

I got 3 Motobatt Batteries, the oldest... I lost count of the years and I replaced it ...."just in case" but I still use it as a booster.

The Lithium Batteries... I got friends very hap[py with them, any good manufacturer will be OK, provided that it is a "serious "name.

These batteries could be dangerous is the quality of the cells is not good; there is also the issue of the recharging, usually these batteries have a controller board that controls the recharging process making sure all the cells are balanced (all cells end with the same voltage after recharging).

The Lipos are quite weird, on very cold weather they might have issues , so before cranking you will need to leave the lighs on for fw minutes so the Lipo warms up and then can release all its power.

The beautuy is the weight, but I am not sure if I like to have a lipo under my tank or seat...

I am on my second AGM battery. The first was installed in 2009 and lasted until last year. Always kept it on a trickle charger and always disconnected the ground wire when not in use because I ride so infrequently. Unfortunately cannot remember brand name. My current is from NAPA and is identical to the 1st. Seems to be doing fine with same charger/disconnect routine. I like this type, always plenty of energy to start the motor and they seem very durable.

From what little I know about Lithium batteries and their inherent need to be controlled by software that typically rides along with the battery and interfaces with the "device" it's installed in for both performance, discharge and recharging reasons, I don't know enough to want to experiment with them on an unmatched vintage vehicle.

I usually use a Deltran Battery Tender for my batteries, so with this new battery, I also purchased a fused quick-disconnect plug and plug+play voltage reader. I can leave the plug hooked to the battery and zip-tied to the frame, so I can charge the battery on the bike - but I can also plug the voltage reader dongle in (or just leave it; it only stays on for 10 seconds) for a quick check of the battery life.

I should've done this years ago.

Here's what I bought:




The Deltran battery trickle charger uses that same plug. I noticed there's also other options you can get, like a USB port, etc.