Product Description Detailed Specs Downloads Reviews/Questions Product Description CIPHERLAB, RECHARGEABLE LI-ON BATTERY 3.8V, 4000MAH FOR RK25 Detailed Specs null null null null null null null null null null MFG Part Number KBRK250X00503 Product Type Accessory Downloads Reviews/Questions The CipherLab KBRK250X00503 is also known as CIP -KBRK250X00503 or KBRK250X00503