TREE.NB RC30-0248 Laptop Battery Replacement for Razer Blade 15 2018 Advanced RZ09-02386E92 RZ09-02385 RZ09-02386 RZ09-02886 RZ09-02887 RZ09-02888 RZ09-0301 RZ09-0313 Series 4ICP4/55/162 (15.4V 80Wh)

It works but its sketchy on the Blade 15 Advanced. Pulling the battery out of the box everything looked good to go by all accounts seemed identical to my old battery without the precarious swelling so was stoked to install it. Once I got it into the chassis I was annoyed to learn the cable designed to connect to the board was about 1/8 - 1/4" to long. This wouldn't have been an issue if either the cable was at all flexible or if there was any extra room in the chassis. Unfortunately neither of those are the case with the Blade 15 so to get it installed I had to put a sketchy u bend in the ribbon cable to remove the excess length. It works mostly because I don't want to go through the hassle of returning it but for anyone looking to buy I would look elsewhere. I will be returning the second order I placed for my wifes Blade.

Arrived with about 65% charge. It functioned normally immediately after installing it. I fully charged it before allowing it to discharged to any real extent. The battery was easy to install, but one of the eyelets the screws go through had to be slightly bent to line up with the holes on the laptop. The battery life is better than the OEM battery for my 2020 Razer Blade 15 ever was.

Came In a damaged inner box. It also rattled around in the box. Too much of a risk to install it, being a lithium battery. Reordered another one an return was issued immediately.

Works and fits just as described.

While this battery is working well in my Razer Blade 15 (2022) - RZ09-0421, it wasn't a perfect fit out of the box. There was a tab that had to be removed with some flush cutters, but after doing that, it fit in the compartment with no problem, and the connector was in the right place. I ordered this because Razer's batteries are notorious for swelling. My first Blade had a pillow that was so spicy that it burst the case wide open, which they fortunately replaced under warranty a little over a year ago. About a month ago, I noticed the buttons on the trackpad weren't clicking, and sure enough, the case was slightly bowed. Fortunately, after replacing the battery with this one, the case returned to normal, as did the trackpad functionality. I've not had it that long, so I can't speed to its longevity, but will report back if I notice swelling or an unusually short lifespan.