brand new and high qualityOOTDTY  Battery type: 1pc /2pcs / 3pcs /4pcs 18650 case holder Easy installation You can use this case with your own battery to form power system supply Case for rechargeable battery Simple DIY recharge power supply Material: ABS Size: Battery Holder For 1x 18650: approx.7.8x2x2cm Battery Holder For 2x 18650: approx.7.8x3.9x2cm Battery Holder For 3x 18650: approx.7.8x5.9x2cm Battery Holder For 4x 18650: approx.7.8x8x2cmColor: BlackFixing Hole Dia: 3mm Wire Length: Approx.11cmQuantity:1Pc(Batteries Are Not Included!)Note:Please allow 0.5-1cm difference due to manual measurement.Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!