Product Description Then it will be very solid and inseparable. 18650 cylindrical battery holder, fire retardant pc+pp+gp materials; Battery installation hole diameter 18.4mm, 1-linked structure, Note: It would be a bit hard to fully fit every spacer by hand, you may use a small hammer to slightly hit the slot for perfect fix. 18650 battery holder, Cylindrical li-ion battery bracket, For any type of battery assembly. This battery holder is with very good flexibility.
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