This battery box holder with 8 Pins Contact, fit for 4 x 3.7 V 18650 batteries.
This product is made of ABS plastic,which has strength, good toughness and high temperature resistance
Battery holder stainless steel shrapnel card will replace the battery battery fixed, installation is very convenient, will not damage the battery and other components so it is convenient, safe and reliable.
Features:1.Medial longitudinal arch science background, buffer shocks, improve the plantar pressure distribution, correct flatfoot and improve error hallux valgus stress, relieve fatigue standing walking.2.Suitable for any type of shoes to use, compact and gentle fit foot.3.Gentle arch support, reducing the burden on the foot, long-term use is not deformed.Description:Material: Silica gelColor: Khaki and pinkSize: Approx. 10.5x6.5cm/4.13"x2.55"Functional: OrthopedicsWeight: About 39gPackage Included:2 X...