About this replacement
Designed for Maxon, Midland devices. Compatible models include SP130, SP130U, SP140, SP140U, SP140U2, SP150, SL55, SP130U2, SP140V2, SP130V2, SP132U2. Replacement part numbers include WWN-MPA1200, WWN-MPA1400, WWN-MPA1800, WWN-MPA600, MPA1200, MPA1550, MPA1400, MPA1800, MPA1400H, MPA600. Key specifications: 7.2V, 1800mAh, Ni-MH.