The Yamaha 5GJ-82100-01-00 is a Powersports system that requires a 12V 8Ah SLA replacement battery. The compatible Universal Power Group replacement is the Yuasa YTX9-BS 12V 8.0Ah Powersports Battery (YTX9-BS), a 12V 8Ah SLA sealed lead-acid battery. This battery delivers up to 87 watts of standby power. It uses Bolt terminals, and measures 150 L x 105 H mm. This is a direct drop-in replacement for the Yamaha 5GJ-82100-01-00 requiring no modification to the device.
