Streamlight 69223 CR2 3.0 Volts 750 mAh Fits TLR 3/TLR 4 (2) Single Pack
http://www.tandktactical.com/shop/080926692237-streamlight-69223-cr2-3-0-volts-750-mah-fits-tlr-3-tlr-4-2-single-pack-9128
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The CR2 Lithium batteries comes in a pack of 2. Compatible with the TLR 3/TLR 4/TLR-4G.
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