You can try selling your old battery at various locations or through online platforms. Here are some options where you can try to sell your old battery:

1. Scrap or recycling companies: Local scrap or recycling companies may be interested in purchasing old batteries due to the valuable materials they contain. Contact such companies in your area and inquire if they buy old batteries.

2. Online platforms: There are several online platforms where you can sell old batteries, such as classified websites or platforms for second-hand goods. Post an advertisement with details about the battery and your sales conditions. Potential buyers can then contact you to arrange the purchase.

3. Battery dealers: Some specific dealers focus on the purchase and sale of batteries. These dealers specialize in assessing the value of batteries and may be able to offer you a price for your old battery.

It is important to note that the value of old batteries can vary depending on the type of battery, condition, and market prices for materials. It is advisable to compare prices and consider multiple options before you decide where you want to sell your old battery. Additionally, ensure that you pack and deliver the battery in a safe and responsible manner, taking into account the regulations and guidelines regarding the transportation and handling of batteries.