Hey e-bike owners, this little battery lock is a game-changer for keeping your expensive battery secure! It's this simple but effective cylinder lock made from solid metal that fits most electric bike and scooter battery compartments. The measurements are perfect - 15mm lock cylinder length, 10mm diameter, with 16.5mm between the hole centers. Weighing only 70 grams, it's super lightweight and won't add any noticeable bulk to your ride. Installation is straightforward - just pop it in place and you're good to go, though if you're not comfortable with DIY, getting it professionally installed might be worth it. It comes with two keys, which is super handy in case you lose one. I've been using mine on my daily commuter e-bike for months, and it gives me that extra peace of mind when I have to leave my bike parked in public. The lock mechanism is smooth and reliable - no jamming or sticking issues. It works on pretty much any electric bike, scooter, or motorcycle with a removable battery compartment. The silver finish looks clean and doesn't stand out too much, which is good for security. Seriously, if you've ever worried about someone walking off with your expensive battery while you're grabbing coffee or running errands, this affordable little lock is absolutely worth it. It's one of those simple accessories that could save you hundreds in replacement costs. The quality feels solid, and for the price, it's way cheaper than dealing with a stolen battery!