I have 8 pcs. buy these batteries and use them alternately in my B & M IXO Bike light. After good 20 loading and Entladezüglen, keep all batteries 2700mAh constant over after they are charged. I find it really great that all batteries have such a high capacity. I use the BC700 and point charging to "discharge" the battery to fully discharge and then fully charge. That works just fine. The batteries are not really warm. I would say hands warm. In bicycle light itself they hold felt an eternity. I ride my bike, especially late at night where it is but then getting dark or just dawning. Feels like I have to change in the light only every 10-14 days the set of rechargeable batteries.
