Lectrosonics SR9VBP 9V Battery Adapter for SRBATTSLED and OCTOPACK The Lectrosonics SR9VBP is a 9V battery holder designed for use with the Lectrosonics SRBATTSLED and Octopack. This holder provides reliable power with diode protection and accommodates two 9V alkaline or rechargeable batteries (not included). Note: Use only two batteries of the same type and do not connect the SR9VBP to a charger. Main Features Compatible with Lectrosonics SRBATTSLED and Octopack Houses two 9V batteries (not included) Features diode protection Durable construction for long-term use Included 1 × Lectrosonics SR9VBP 9V battery holder DO NOT CONNECT THE SR9VBP TO A BATTERY CHARGER. Use only two same type 9V batteries in SR9VBP.Do not use SR9VBP accessory with the DSR or DSR4 receivers – it does not supply enough current for proper operation with these models.