R20REL/2BP.
Battery, 1.5 V, D, Zinc Carbon, Raised Positive and Flat Negative, 2
- Manufacturer: PANASONIC
- Product type: Batteries - Non-Rechargeable
- Battery Voltage:1.5V; Battery Size Code:D; Battery Technology:Zinc Carbon; Battery Capacity:-; Battery Terminals:Raised Positive and Flat Negative; External Diameter:34.2mm; External Height:
- SVHC: To Be Advised
- Weight: 100g
- Pack Quantity: 2
- Product Range: -
- Battery Voltage: 1.5V
- External Height: 61.5mm
- Battery Capacity: -
- Battery IEC Code: R20
- Battery NEDA Code: 13D
- Battery Size Code: D
- Battery Terminals: Raised Positive and Flat Negative
- External Diameter: 34.2mm
- Battery Compliance: -
- Battery Technology: Zinc Carbon
- Battery Type / Size: D
| Delivery and price | |
|---|---|
| Units per pack | 100 |
| Price | 1.9 € |
| Current stock | 10+ |
| Lead time | 30 days |
## PRODUCT SPECIFICATION Individual Product Specification Specifications for Cylindrical Zinc Carbon Battery R20 (DRNF-W) ## PRODUCT SPECIFICATION Individual Product Specification Panasonic DRNF-W ## 1. Battery identification name R20 / UM 1 type zinc carbon / metal jacket nominal voltage 1.5 V average weight 100 gr. manufactured by PMBP ## 2. Battery dimensions As per attached drawing 3. Typical battery performance Discharge modes |Test|Resista<br>nce|Daily period|End point|Result *|Result**| |---|---|---|---|---|---| |Radio|10Ω|4 h|0.9 V|43.0 h|37.8 h| |Recorder|3.9Ω|1 h|0.9 V|14.7 h|13.1 h| |Motor|2.2Ω|1 h|0.8 V|6.7 h|5.4 h| |LIF|2.2Ω|4 min./h,8 h/ day|0.9 V|425 min|360 min| Open circuit voltage (OCV ) Minimum average duration ||Initial*|After 12 months<br>storage **| |---|---|---| |OCV(at 20±20C)|1.6 V|1.52 V| |Min. aver. duration(at 20±20C)***|35.7 h|27.2 h| - The initial discharge test shall commence with 30 days since manufacture. During this period, the batteries are kept under the condition of 20±2[0] C. ** During this period, the batteries shall also be kept under the condition of 20±2[0] C. *** 10 Ω, 4 h / day, 0.9 V 4. Mercury and Cadmium contents No Mercury (Hg) and Cadmium (Cd) are used in battery. PRODUCT SPECIFICATION Individual Product Specification Size: IEC: R20 |Dim|Max||Min| |---|---|---|---| |∅|34.2||32.3| |A|61.5||59.5| |B|||59.5| |C|||18.0| |D|7.5||| |E|1.0||| |F|9.5||7.8| |G|||1.5| |Pip|0.4||| ||||| |V oltage|1.5 V||| |Terminal|(+) Cap||| |Average<br>weight|(-)Base<br>100g||| |Jacket|Metal|||
Updated at April 21, 2026
Panasonic Industry is a global leader in the design and manufacture of high-quality electronic components. Renowned for a commitment to continuous innovation, the company provides the essential building blocks that empower modern engineering. From industrial automation to consumer electronics, Panasonic's components are trusted worldwide for their outstanding reliability, efficiency, and long-term performance. The extensive portfolio is anchored by a massive selection of passive components, featuring an industry-leading range of aluminium electrolytic, film, and polymer capacitors. Alongside these advanced capacitance solutions, engineers rely on Panasonic's robust power inductors and a highly versatile array of electromechanical devices, including solid-state, power, and signal relays engineered to excel in demanding environments. Beyond core passives and switching solutions, the offering encompasses critical circuit protection devices such as TVS varistors and NTC thermistors, as well as sophisticated thermal management materials. Panasonic also delivers precision light and motion sensors, highly reliable batteries, and advanced Bluetooth and WLAN connectivity modules, providing a comprehensive ecosystem of components to support next-generation technological design.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →