Bullet Point 1 Super capacity - No longer to worry about the endurance of the batteries, Kastar 170mAh will provide ultra strong power for your devices to performance well and operate longer. Bullet Point 2 1200 Cycle - Kastar add mix-protection additive to the cathode of batteries, protect the material from degradation in the progress of charge and discharge, extend lifespan up to 1200 cycles. Bullet Point 3 Low self-discharge - Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so Kastar batteries will holds power longer than others. Bullet Point 4 Safety assurance - Ni-MH eco-friendly cell, doesn't contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure. Bullet Point 5 Compatible Part #s:DC-17, 4SN-1/4AAA15H-H-JP1, DC-17_5, MH120AAAL4GC, 650-058; Long warranty - Kastar batteries include 30-day Money Back and 3-YEAR Manufacturer Warranty. Description Details 170mAh Ni-MH Battery SportDog FR200, SD-400, SD-800Please ensure both model and battery part number are matched with your device.- Compatible Model: DOGTRA FieldTrainer SD-400, transmitters SD-400S, WetlandHunter SD-400 Camo, KINETIC MH120AAAL4GC, SPORTDOG Field Trainer SD-400, Field Trainer SD-400S, FR200, SD-350, SD-400, SD-800, Wetland Hunter SD-400, Wetland Hunter SD-800, Wetlandhunter SD-400 Camo, WetlandHunter SD-800 Camo,- Compatible Battery Part Number: DOGTRA SDT00-11907, KINETIC MH120AAAL4GC, SPORTDOG 4SN-1/4AAA15H-H-JP1, 650-058, DC-17, DC-17_5, MH120AAAL4GC,- RoHS approved for toxic free.- CE and ISO9001 Certificate for quality assurance. Quality Price Value