Battery BTX20HL BS Sla-Max Harley Softail Fxbb S Street Bob Dyna Fat Bob Wide. The description of this item has been automatically translated. BATTERY BTX20HL BS SLA-MAX HD. Battery “YTX20HL-BS” BS battery, SLA-MAX HD, sealed, start-up, shake-proof. Capacity 10 Hr: 20.0 Ah. Capacity 20 Hr: 21.1 Ah. Energy: 256.00 Wh.Read More