Hahnel HL-F50 3.7v 760mAh - Fujifilm NP-50 Replacement Battery
Independent alternative to the Fujifilm NP-50 (3.7 V 760 mAh capacity). Suitable for use with the Fujifilm Finepix F50fd digital camera. Lithium-ion technology with no memory effect, meaning you can recharge the battery at any point without having to discharge it first. 2 year warranty.