Camera Battery, Rechargeable Standard Battery, 740mAh, Li-Ion 7.4V
From WEX Photo Video
Hahnel HL-2LHP Battery (Canon NB-2LH)
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Hähnel - HL-2LHP Canon - Camera Accessories - Li-Ion Battery
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Hahnel NB-2L/2LH 650mAh 7.4V HL-2L Battery for Canon Camera