don't know about that charger, but my bosch chargers are flashing green=charging, solid green=charged.

Bosch Genuine 14.4V (1.5Ah) Pod Style Battery (Version to Fit Bosch Genuine 14.4V (1.5Ah) Pod Style Battery (Version to Fit

It is recommended that you fully charge and discharge your new battery two to four times to allow it to reach its maximum rated capacity. If a battery has not been used for a long period of time, perform the new battery break in procedure described above. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development.batteries are guaranteed to meet or exceed OEM(original) specifications backed by full 1 year warranty guarantee and 30 days money back gurantee! Some of the older chargers just had a light to indicate that a charge current is flowing and with them not being intelligent chargers, the current continues to flow, the only way to tell the battery was charged was when it started to warm up, some of those old chargers had a 3 to 5 hour charge time depending on the battery capacity. battery healthy by fully charging and then fully discharging it at least once every two to three weeks.

Bosch Batteries | Power Tools | Screwfix Bosch Batteries | Power Tools | Screwfix

Battery Storage - If you don't plan on using the battery for a month or more, we recommend storing it in a clean, dry, cool place away from heat and metal objects. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. As far as I understand the battery could have been sat doing nothing for three years or more so hardly likely to have any charge in it. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.It appears the light is just green and on with no flashing or whatever to indicate charging or charged or faulty. With it being a ni-cad I would suspect that this might not be an intelligent charger also the battery probably won't reach full capacity until a few charge/discharge cycles have been carried out.