Panasonic CRP2

Panasonic CRP2 6V Lithium Battery: What it is

The Panasonic CRP2 (also written CR-P2) is a 6V primary lithium photo battery designed for devices that need short, high-current bursts and steady voltage. Typical uses include 35mm and early digital cameras, external camera flashes, laser rangefinders, and certain motion or door sensors.

At a glance: key specs

Chemistry	Lithium manganese dioxide (Li‑MnO2)
Nominal voltage	6V
Typical capacity	~1400 mAh (at moderate load; varies by device and conditions)
Form factor / codes	CR-P2, CRP2, 223, 223A, DL223A, EL223AP
Shelf life	Up to 10 years (manufacturer-rated when stored properly)
Operating temp (typical)	About -4°F to 140°F (-20°C to 60°C); check datasheet for exact rating

When to choose vs. avoid

• Choose CRP2 if your device specifically calls for CR-P2/223 and you need dependable, non-rechargeable power with strong pulse performance (e.g., camera flash, rangefinder).
• Avoid CRP2 if your device is designed for a different size (CR123A, 2CR5, 9V, AA) or if you require a rechargeable workflow; CRP2 is not rechargeable.
• Consider temperature: Lithium photo cells generally outperform alkaline in cold weather; expect some capacity reduction in extreme cold.

Compatibility and cross‑reference

• Look for one of these labels in your device/manual: CR-P2, CRP2, 223, 223A, DL223A, EL223AP.
• CRP2 is not the same as 2CR5 or a single CR123A. Some devices or adapters allow two CR123A cells to replace one CRP2, but only use that option if explicitly supported by the manufacturer.
• Polarity matters: install according to the device diagram to avoid damage.

Performance and runtime expectations

Runtime depends on load, temperature, and pulse demand. Use this quick estimate for continuous loads:

• Approximate runtime (hours) ≈ capacity (mAh) ÷ average draw (mA).
• Example: A device averaging 200 mA may see ~1400 ÷ 200 ≈ 7 hours of continuous operation.

Notes:

• High-current pulses (e.g., flash recharge) and very cold conditions can reduce effective capacity by 10–40%.
• Low-drain standby devices (e.g., certain sensors) can run for many months because average draw is minimal.

Storage, handling, and safety

• Store in a cool, dry place (roughly 50–77°F / 10–25°C). Avoid heat and direct sun.
• Keep in original packaging until use. Do not carry loose cells with metal objects (risk of short circuit).
• Do not mix old and new batteries or different brands in the same device.
• Never attempt to recharge, disassemble, crush, or incinerate.
• Recycle at a battery collection point; do not dispose in household trash where restricted.

Alternatives

• Same format, other brands: Energizer CRP2, Duracell DL223A, Varta/Vinnic 223. These are compatible if your device specifies CR-P2/223.
• CR123A option: Only if your device or an OEM adapter explicitly supports replacing one CRP2 with two CR123A cells.
• Rechargeable needs: If you must recharge, consider a device that uses Li‑ion packs or AA NiMH—CRP2 itself is primary (single‑use).

FAQ

Is Panasonic CRP2 rechargeable?

No. It is a primary lithium battery. Charging a primary cell is dangerous and can cause leakage or rupture.

What devices use CRP2?

Commonly 35mm film and early digital cameras, external flashes, some laser rangefinders, and select motion/contact sensors. Always check your device manual.

How long will it last in storage?

Panasonic rates up to 10 years when stored properly. Actual shelf life depends on storage conditions and temperature.

Can I swap a CRP2 with two CR123A batteries?

Only if your device or an approved adapter is designed for that substitution. Otherwise, use a CR-P2 to avoid damage or poor contact.

Does cold weather affect performance?

Yes. Lithium performs better than alkaline in the cold, but you may still see reduced capacity (often 20–40% at very low temperatures).