LENMAR CBC904 UNIDEN REPLACEMENT BATTERY. Fits: Panasonic KX-TG2000B Handset KX-TG4000 Handset / KX-TG4000B / KX-TGA400B / KX-TGA420B / KX-TGA420B / RadioShack ET-3533 / ET-3541 / Uniden EXP-370 / EXP-370A / EXP-370CS / EXP-371 / EXP-4540 / EXP-4541 / EXP-970 / EXP-971. Replaces: Panasonic HHR-P506 / HHR-P506/A / Uniden BT-1007 / BT-1015 / BT-904 / Energizer ER-P506 / GP Batteries GP60AAS2BMX / Sprint 89340. LENMAR CBC904 Replacement Battery for Uniden EXP-370 / EXP-371 / EXP-4540 / EXP-4541 / EXP-970 / EXP-971 Cordless Phones 2.4V / 1200mAh Nickel Metal Hydride