This product has been tested in the market for many years and is favored by the majority of fishing enthusiasts. Aluminum alloy exterior design, more durable. MAG CRUISE GN20F Electric Fishing Reel Battery Compatible with Daiwa and Shimano Electric Fishing Reels: Compatible with Daiwa Tanacom Reels: TANACOM 1200, 1000, Bull 1000, 750, Bull 750, 500, 500A, 500S, etc. Compatible with Daiwa Seaborg reels: SEABORG 600, 600MJ, 600J, 500, 500MJ, 500J, 500JP, 500JS, 300, 300MJ, 300J, 300MJL, 300JL, 300JS, 200, 200J, 200JL-DH, 200JL-SJ, 200JL, 200SJ, etc. Compatible with Daiwa Leobritz: LEOBRITZ 500, S500, S500J, 500MT, 500J, 400, S400, S400J, 400MT, 400J, 300, S300, S300J, 300MT, 300J, 200, S200, S200J, 200MT, 200J, etc. Compatible with Shimano BeastMaster reels (2-pin power plug only): 13-21 BEASTMASTER 9000, 9000A, 9000ZB, 6000, 4000, 3000, 3000XP, 3000XS, MD 3000, 2000, 1000, etc. Compatible with Shimano ForceMaster reels (2-pin power plug only): 13-21 FORCEMASTER 9000, 6000, 4000, 3000, 2000, 1000, 800, 600, 600DH, 400, 400DH, 401, 401DH, 300, 300DH, 301, 301DH, etc. Compatible with Shimano Plays reels (2-pin power plug only): 13-21 PLAYS 4000, DM 4000, 3000, 3000XP, DM 3000, 800, 600, 600OVS, 400, DM400, 400DH, 401, 401DH, 300, 300DH, 301, 301DH, etc. Compatible with Shimano Plemio reels (2-pin power plug only): 15 PLEMIO 3000, DM 3000, etc. NOTE: MAG CRUISE GN20F is not compatible with Daiwai SEABORG 1200, 1200MJ, 1200J, 800, 800MJ, 800J and Marine Power 3000 electric reels. MAG CRUISE GN20F is not compatible with Shimano 6-pin power plug electric reels. MAG CRUISE GN20F is not compatible with Banax Kaigen electric reels. MAG CRUISE GN20F is not compatible with Miya Epoch electric reels.