Specification: Description:_x000D_100% Brand New and High Quality._x000D_18650 Battery Holder Case with 6" leads for soldering / connecting._x000D_Takes 1/2/3/4 standard size 18650 batteries side by side to form a compact battery of 3.7V rechargeables_x000D_Keep your batteries organized and protected._x000D__x000D_Specification:_x000D_Material:ABS_x000D_Color:Black_x000D__x000D_Original Box:NO _x000D_ _x000D_Size:_x000D_Battery Holder For 1x18650 3.7V: Approx. 78mm * 21mm * 21.5mm _x000D_Battery Holder For 2x18650 3.7-7.4V: Approx. 78mm * 40mm * 21.5mm_x000D_Battery Holder For 3x18650 3.7-11.1V : Approx. 78mm * 60mm * 21.5mm_x000D__x000D_Battery Holder For 4x18650 3.7-14.8V : Approx. 78mm * 80mm * 21.5mm _x000D_ _x000D_Weight:_x000D_Battery Holder For 1x18650 3.7V: Approx.10g_x000D_Battery Holder For 2x18650 3.7-7.4V : Approx.15g_x000D_Battery Holder For 3x18650 3.7-11.1V : Approx.20g_x000D_Battery Holder For 4x18650 3.7-14.8V : Approx.25g_x000D_Pin: length Approx.3.5mm, longitudinal spacing:Approx.72.5mm (both edge-to-edge spacing)_x000D_Mounting holes: Aperture Approx.3mm, longitudinal spacing Approx.55mm (Pitch is the distance center to center of aperture)_x000D__x000D_Instructions for use: _x000D_1 single 18650 battery use 3.7V._x000D_2 18650 battery, in parallel or in series to achieve 3.7-7.4V_x000D_3 18650 battery, in parallel or in series to achieve 3.7-11.1V_x000D_4 18650 battery, in parallel or in series to achieve 3.7-14.8V_x000D__x000D_Attention: _x000D_Size may be slight inaccuracy due to different batches of the products, or hand measurement;_x000D_Color may be little different due to monitors. Please take real product as standard, thanks for your understanding!_x000D__x000D_Package Includes:_x000D_1* 18650 Battery Storage Box Holder With Pin Features: 1Takes 1/2/3/4 standard size 18650 batteries side by side to form a compact battery of 3.7V rechargeables 218650 Battery Holder Case with 6" leads for soldering / connecting. 3Easy to install, you can easily to put the battery in it. 4You can use this case with your own battery to form power system supply. 5Lightweight, convenient to carry. Keep your batteries organized and protected. PackageList: