Replacement battery fits 6 Sealite compatible models. Specifications: 8600mAh, 3.6V, Nickel. Compatible with: SL60, SL70, Avlite AV-60, Avlite AV-70, Avlite AV-OL-60, Avlite AV-OL-70. Replaces: Sealite B8-3.6, Avlite AV-ACC-BT-09. Sealite replacement battery designed for Solar Marine Light devices. Engineered for consistent power output across many charge cycles.