Our state of the art FSTL 14.4V, 4000mAh, 58Wh, Li-ion compatible Power tools battery is designed and manufactured under strict European ISO 9001 standards. This includes ONE Compatible Power Tools Battery. Compatibilities: 494832, 498341, BPC 15, BPC 15 Li, BPS 15. part no. C 15, PSC/PSBC 400, T 15+3