Hitachi Vacuum Cleaner Exclusive Battery PVB-1825A 18V 3000mAh New Unused

Replacement battery for Hitachi vacuum cleaners.
Model: PVB-1825A
18V High Capacity 3000mAh

I just bought this last month on Amazon for ¥8,533.
I bought it to replace the battery because it wasn't holding a charge well, but the vacuum cleaner itself broke, so I'm selling it.
It is genuinely new and unused.
I took it out of the box for the photo, but I haven't touched it otherwise.
I'm including the URL of the Amazon product page where I purchased it, so please refer to that for details.
Also, the replacement procedure is explained in detail with large photos in the included instruction manual, so you can rest assured.
HP here: https://www.amazon.co.jp/dp/B0GPXHXBQL?ref_=ppx_hzod_title_dt_b_fed_asin_title_0_0

Here is an excerpt from the product description on the HP:
・Compatible models: PKV-BK3K, PKV-BK3L, PV-BKL11L, PV-BKL11G, PV-BFL1, PV-BL1H, PV-BL2H, PV-BL3J, PV-BL3L, PV-BL10G, PV-BL20G, PV-BL30E8, PV-BHL1OOOJ, PV-BHL1000J1, PV-BHL2000J, PV-BHL3000J, PV-BHL4000J, PV-BHL5000J, PV-YA50, PV-YA51
・Achieves a higher capacity of 3000mAh than genuine Hitachi products. You can work longer on a single charge, reducing the worry of the battery running out during cleaning.
・Complies with Japan's PSE Law for Electrical Appliance and Material Safety. In addition, it meets international safety standards such as ISO9001, UN38.3, CE, and ROHS, so you can use it with confidence.
・Uses high-quality cells, and the built-in BMS system constantly monitors for overcharge, over-discharge, overcurrent, low voltage, short circuit, and high temperature to ensure the battery's safety and lifespan.