Short info: Epson OT-BS20 - Battery spacer Group Output Accessories Manufacturer Epson Part No. No. C32C881001 Model OT-BS20 EAN/UPC Product description: Epson OT-BS20 - Battery spacer Product type Battery spacer Designed for Epson OT-BY20 Detailed specifications General Product type Battery spacer Compatibility information Designed for Epson OT-BY20.