What is the fine-grained topic of the following text: 6PCS/lot Sanyo 18650 2600mAh Li-ion rechargeable battery Free ShippingProduct\'s description:Brand: SanyoItem condition: original and brand newStandard Voltage: 3.6V-3.7VCharge Voltage : 4.20+/-0.03VDischarge Cut off Voltage: 3.0VHeight: 65.0+/-1.0mm (2.56in)Reference Weight: 47g (1.66oz) Per cellLength:65mm, Diameter:18mmStandard Capacity: 2600mAh /min 2500mAh Shipping time:We ship worldwide by Register Air Mail! Only return the topic.
Sanyo 18650 2600mAh Li-ion rechargeable battery product description