About this replacement
Designed for Panasonic devices. Compatible models include EZ3741, EZ3743, EZ3744, EZ4641, EZ4544, EZ3740, EZ4543, EZ4541, EZ4640, EZ7840, EZ4540, EZ4542. Replacement part numbers include EZ9L40, EZ9L41, EZ9L42, EZ9L44. Key specifications: 14.4V, 3000mAh, Li-ion.