There are 2 pieces of CR2 CR15H270 850mah Lithium 3V Battery for Polaroid Doorbell GPS Security System Camera Headlamp Alarm in this listing.

Note that: this image in this listing's gallery only demonstrates one piece of this battery. There are 4 batteries in total.

Feature: Model: CR2 Type: Lithium Battery Rechargeable: NO Rated Voltage: 3V Dimensions(LWH): 15.6*27.0mm Weight per piece: 11g Anti-leakage technology, high-quality wear-resistant, high-temperature resistant materials, wide temperature range It has excellent leak-proof, storage and high voltage, light weight, small volume, large specific energy, stable voltage, good current discharge performance, safety and pollution-free characteristics of lithium battery. Fit for: PLC memory backup power supply, public instrumentation, security alarm, automotive electronic equipment, emergency positioning, flashlight, special electronic testing equipment, etc.

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