Ansmann AA 2850 mah 4pk Slimline Version

The ANSMANN 2850mAh Slimline NiMH AA Rechargeable Batteries are advertised as high-capacity batteries with a standard discharge rate. According to the FAQ, these batteries do not possess a memory effect and discharge is not required before recharging. However, using a charger like the Ansmann Energy 8+ or Energy 16+ is recommended for maximum battery life and performance. In terms of capacity, these batteries are rated at 2850mAh, with a minimum capacity of around 2650mAh. Users have found them to be similar in capacity to other 2850mAh batteries on the market. The self-discharge rate appears to be lower compared to other NiMH batteries, but the exact duration of a single charge is difficult to determine due to the nature of NiMH battery drain. Regarding compatibility with Sennheiser IEM's, the batteries have been confirmed to work. As for solar charging, it is possible to recharge these batteries using solar power, but they may not reach their full capacity. Customer reviews have indicated some concerns about these batteries. Some users experienced quick discharge rates, losing charge within a day or two of being out of the charger. There were also complaints about the thickness of the batteries, as they did not fit properly in certain devices. Additionally, there were reports of batteries failing to hold a charge or only lasting a short amount of time during use. Overall, the ANSMANN 2850mAh Slimline NiMH AA Rechargeable Batteries have mixed feedback from customers. While they offer a high capacity and seem to have a lower self-discharge rate compared to other NiMH batteries, there are concerns about the longevity and performance of these batteries.