vhbw - the clever way High-quality and compatible replacement battery with high capacity for your laptop (all suitable models can be found below). The battery can be charged with the standard or a compatible charger. Our rechargeable batteries and accumulators meet all operational safety requirements. What are the advantages of Li-Ion technology? Lithium-ion batteries are among the most powerful batteries. Compared to NiMH batteries, for example, they are characterized by low self-discharge and a higher energy content. They are not subject to the memory effect and are low-maintenance, as they do not require regular discharging, for example. When stored correctly, Li-Ion batteries have a long service life because they are durable and have a high number of possible charging cycles. Li-Ion batteries are used in mobile devices with high energy requirements, such as smartphones, notebooks, cameras, and power tools. These batteries are also used in RC model making and photovoltaics. Scope of delivery: 1x battery Technical data: Technology: Li-Ion - no memory effect Capacity: 5200 mAh Voltage: 10.8 V Nominal energy: 56.16 Wh Color: black Number of cells: 6 Weight: 323 g Suitable for the following device models (Ctrl + F / Cmd + F to search for your model): IBM ThinkPad R400, R400 7443, R61 7732, R61 7733, R61 7734, R61 7735, R61 7736, R61 7737, R61 7738, R61 7742, R61 7743, R61 7744, R61 7751, R61 7753, R61 7754, R61 7755, R61i (14.1" widescreen), R61i 7732, R61i 7742, T400, T400 2764, T400 7417, T61 1959, T61 6377, T61 6378, T61 6480, T61 6481, T61 7658, T61 7659, T61 7660, T61 7661, T61 7662, T61 7663, T61 7664, T61 7665, T616379, T61p (14.1" widescreen) For guaranteed compatibility, please check whether your currently used battery