PANASONIC Lithium photo battery CR123A 3V (Bulk)

The VARTA CR2450 is a high-quality 3-volt lithium button cell with a very high capacity, which has been developed for reliable and extremely long-lasting power supply in demanding electronic devices. Based on proven lithium manganese dioxide technology (Li-MnO2), it offers one of the highest energy densities in button cell format. As a loose cell ("bulk"), it is optimally designed for the initial equipment (OEM) of devices where maximum service life is essential.Highlights at a GlanceVery high capacity: Offers exceptionally long operating time for energy-intensive applications.Industrial quality: Guarantees consistent and reliable performance for professional devices and series production.Extreme longevity: Up to 10 years shelf life thanks to extremely low self-discharge.Wide temperature range: Works reliably even under demanding thermal conditions.Tested reliability: Every cell meets the highest quality standards for maximum performance and leak safety.Reliable Power for Demanding ElectronicsThe VARTA CR2450 is the preferred power source for a variety of devices where maximum autonomy and minimal maintenance are crucial. Its main area of application is in smart home and security sensors (e.g. thermostats, door and window contacts), in medical technology, in remote controls with displays, and in industrial backup applications that need to ensure a high energy reserve over years.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) enables a high nominal voltage of 3 volts and an extremely low self-discharge of less than 1% per year at room temperature. This guarantees maximum readiness for use even after many years of storage. Its high capacity and stable performance curve are key to reliability in long-life "fit and forget" applications.Developed for Industrial IntegrationAs an unpackaged single cell, the CR2450 is intended for direct processing in industrial manufacturing (OEM) or for needs-based use in service and maintenance. This reduces packaging waste and streamlines workflows for professional users who rely on consistently high quality and easy handling. Specifications                                                                                                                                                        Model              VARTA Lithium Button Cell CR2450               Battery Type              Lithium manganese dioxide (Li-MnO2)               Nominal Voltage (V)              3.0               Capacity (mAh)              610               Diameter (mm)              24.5               Height (mm)              5.0               Weight (g)              6.2        FAQs about the VARTA Lithium Battery CR2450What does the designation CR2450 mean?The designation indicates the properties and size of the cell. "C" stands for lithium chemistry, "R" for the round shape. The numbers "2450" stand for the dimensions: 24.5 mm in diameter and 5.0 mm in height.What does "bulk" mean?"Bulk" means that the batteries are supplied as loose goods in packaging units suitable for industry (e.g. in trays or boxes) and not in separate consumer packaging such as a blister pack. This is ideal for industrial production (OEM).Is this battery rechargeable?No. This is a lithium primary battery. Under no circumstances should charging be attempted. Charging attempts are extremely dangerous and can result in fire or explosion.How should this battery be disposed of?Batteries must not be disposed of with household waste. As an industrial battery, it is subject to the provisions of the Battery Act. Please take the empty battery to the intended industrial or municipal collection points to ensure proper and environmentally friendly recycling.

The Yuasa NP7-12 is a high-performance, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 volts and a capacity of 7 Ah. It impresses with its reliable performance, robust construction and versatile applications, making it ideal for industrial applications, security and emergency power systems.Highlights at a glanceReliable capacity: 7 Ah at 12 V for a constant power supply.VdS approved: G 189099 for safety-critical applicationsCompact design: 151 × 65 × 97.5 mm, ideal for limited installation space.Flexible installation: Can be installed in any position, except permanently upside down.Maintenance-free: VRLA technology with low-pressure vent valves.Long-lasting: EUROBAT classification “Standard Commercial” for up to 5 years of service life.High current-carrying capacity: Up to 210 A discharge current for 1 second.Rugged performance for demanding applicationsThe NP7-12 delivers a 20-hour capacity of 7 Ah (up to 1.75 V/cell at 20 °C) and a 10-hour capacity of 6.4 Ah (up to 1.8 V/cell). Thanks to its high current-carrying capacity of up to 210 A for 1 second, the battery is particularly suitable for emergency power systems, UPS systems and safety-critical applications.Maintenance-free operation and long service lifeThe NP7-12 is classified as “Standard Commercial” according to EUROBAT and offers a service life of up to 5 years at an ambient temperature of 20 °C. Self-discharge is only approx. 3% per month, which ensures high operational readiness even during prolonged storage. The casing is made of durable ABS plastic (UL94:HB) and is available in a flame-retardant version (UL94:V0) upon request. The battery complies with the ISO 9001 quality standard.Easy integration and reliable technologyThe battery is fitted with Faston connectors (4.75 mm) and can be easily integrated into almost any system. It can be installed in any position, except permanently upside down. Each of the six cells is fitted with a low-pressure relief valve which, once pressure has been equalised, closes automatically to ensure maintenance-free and safe operation. The recommended charging voltage for float charging is 13.65 V (±1%) per block, and 14.5 V (±3%) for cyclic operation. The maximum charging current is 1.75 A in cyclic operation; there is no limit for float charging.Features ModelYuasa NP7-12 Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)7 (at a 20-hour rate) Maximum discharge current80A (for 5 seconds) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeUp to 5 years (according to Yuasa design) Dimensions (L/W/H, mm)151 x 65 x 94 Weight (kg)2.5 ConnectionFaston 6.3mm CertificationsIEC 60896-21+22, VdS, UL  FAQs on the Yuasa 12V 7Ah lead-acid batteryWhat is the service life of the NP7-12?The NP7-12 offers a service life of up to 5 years at an ambient temperature of 20 °C and meets the EUROBAT ‘Standard Commercial’ category.What applications is the battery suitable for?The battery is suitable for:UPS systemsFire detection and alarm systemsMedical devicesEmergency lightingTelecommunications and control systemsIs flexible installation possible?Yes, the battery can be operated in almost any position; only a permanently upside-down mounting position should be avoided.What safety features are built in?The battery features a robust ABS housing and low-pressure relief valves for safe gas pressure regulation. A flame-retardant housing is available as an option.How and with what parameters should the NP7‑12 be charged correctly?Float charging voltage: 13.65 V block voltage (2.275 V/cell) at 20 °C, temperature compensation –3 mV/cell/°C.Cyclic (boost) charging voltage: 14.5 V block (2.42 V/cell), compensated by –4 mV/cell/°C.Recommended charging current for cyclic operation: up to approx. 1.75 A (~0.25 C)What is the maximum discharge current and how effective is the deep-discharge protection?Short-term peak current (1 sec.): 210 A,1-minute current: 48 AInternal impedance: approx. 23 mΩ at 1 kHz.The battery recovers excellently after deep discharge and has a robust structural designWhat is the rate of self-discharge during storage and what should be taken into account?At 20 °C, self-discharge is approx. 3% per month. The NP7‑12 can be stored for up to 12 months, provided it is recharged regularly. Storage should take place at –20 °C to +60 °C, ideally at a maximum of +30 °C. 

The XCELL XP18-12 is a high-performance, maintenance-free lead-acid battery renowned for its reliability and longevity. Based on proven AGM (Absorbent Glass Mat) technology, this battery offers a nominal voltage of 12 V and a capacity of 18 Ah. It has been specially developed for demanding stationary and cyclic applications where a constant and reliable power supply is crucial. Thanks to its sealed VRLA design, it is leak-proof and can be operated in any position.Highlights at a glanceReliable performance: 18 Ah capacity at 12 V, which corresponds to a total energy of 216 Wh.Long-lasting: Designed for a service life of up to 5 years in accordance with the Eurobat classification.Maintenance-free: VRLA AGM technology eliminates the need for topping up with water.Safe and flexible: Fully sealed, leak-proof and suitable for installation in any orientation.Low self-discharge: Ideal for standby operation and seasonal use.VdS approved: G 115072 for safety-related applicationsReliable power for critical applicationsThe XCELL XP18-12 is the ideal power solution for systems where reliability is paramount. With its standard dimensions of 181 x 77 x 167 mm and a weight of approximately 5.4 kg, it can be easily integrated as a replacement for existing batteries in a wide range of devices. Its primary applications include uninterruptible power supplies (UPS), security and alarm systems, emergency lighting systems, and applications in medical and rehabilitation technology. The wide operating temperature range ensures stable performance even under demanding environmental conditions.Efficiency and safety thanks to AGM technologyThe AGM technology of the XCELL XP18-12 binds the electrolyte within a glass fibre mat. This design not only prevents acid leakage but also ensures high vibration resistance and excellent cycle stability compared to conventional lead-acid batteries. As no gassing occurs during normal operation, the battery can be used safely indoors and in enclosures without special ventilation. This maximises user safety and reduces maintenance requirements to a minimum.Proven and robust lead-acid AGM technologyUnlike open lead-acid batteries, the XP18-12 is valve-regulated and sealed thanks to its VRLA (Valve Regulated Lead Acid) design. This enables internal gas recombination and ensures consistently high performance throughout the entire service life. The lead-calcium grid plates used contribute to a very low self-discharge rate, making the battery ideal for standby operation or for applications with prolonged periods of inactivity.Features  ModelXCELL XP18-12 VdS Battery typeVRLA AGM (security technology) Nominal voltage (V)12 Capacity (Ah)18 (at a 20-hour rate) Maximum discharge current270A (for 5 seconds) Charging voltage (trickle charge)13.5V - 13.8V Charging voltage (cyclic operation)14.4V - 15.0V Operating temperature (°C)Charging: 0 ~ 40 / Discharging: -20 ~ 50 Storage temperature (°C)-20 ~ 40 Service lifeup to 10 years (EUROBAT: High Performance) Dimensions (L/W/H, mm)181 x 77 x 167 Weight (kg)approx. 5.6 ConnectionM5 screw connection CertificationsVdS, ISO9001, CE, UL  FAQs on the XCELL XP18-12 lead-acid batteryWhat does the term AGM mean?AGM stands for "Absorbent Glass Mat". In this technology, the battery electrolyte is bound within a glass fibre mat. This makes the battery leak-proof, maintenance-free and highly resistant to vibrations.What applications is the XP18-12 battery suitable for?The battery is ideal for uninterruptible power supplies (UPS), alarm systems, fire alarm control panels, emergency lighting systems, as well as for medical and rehabilitation equipment such as patient lifts or electric wheelchairs.What is the expected service life of the battery?The XCELL XP18-12 is designed for a service life of up to 5 years in standby mode in accordance with the Eurobat classification. The actual service life depends heavily on the application, operating temperature and depth of discharge.Can multiple XP18-12 batteries be connected together?Yes, you can connect several batteries of this type together. For a higher voltage (e.g. 24 V), connect two batteries in series. For a higher capacity, connect the batteries in parallel. Please only use batteries of the same type, age and charge level for this purpose.Is the battery truly maintenance-free?Yes, thanks to its sealed VRLA AGM design, the battery is completely maintenance-free. No top-up of distilled water is required throughout its entire service life.How should the battery be stored when not in use?Please store the battery in a cool, dry place and ensure it is fully charged. Due to the low rate of self-discharge, the charge level should be checked every six months and the battery recharged if necessary to prevent deep discharge. 

The VARTA CR2 is a high-performance 3-volt lithium primary battery specially developed for devices with high, short-term energy requirements such as cameras and flash units. Based on lithium manganese dioxide technology (Li-MnO2), it offers exceptionally high performance, extremely low self-discharge and a very wide operating temperature range. Supplied in a protective individual blister pack, it is the ideal energy source for demanding photography and other high-tech applications.Highlights at a GlanceHigh Performance: Developed for high-tech devices with high and fast energy demand (high drain).Quick Flash Readiness: Quickly delivers high currents for rapid charging of photo flashes.Extreme Longevity: Up to 10 years of shelf life thanks to extremely low self-discharge.Wide Temperature Range: Reliable performance under extreme conditions from -20 °C to +70 °C.Safe Packaging: The protective blister guarantees freshness and performance until use.Reliable Power for Photography and High-Tech DevicesThe VARTA CR2 is the preferred power source for a wide range of devices where high performance and absolute reliability are essential. Its main area of application is analogue and digital photography to power cameras and external flashes. It is also ideal for use in high-intensity LED torches, lasers, smart home sensors, and security technology.Superior Lithium Manganese Dioxide TechnologyLithium manganese dioxide technology (Li-MnO2) is the key to the exceptional performance of this cell. It enables a high nominal voltage of 3 volts and can deliver very high currents very quickly. This shortens the charging time between two flashes and ensures consistent performance during continuous shooting. The extremely low self-discharge guarantees maximum readiness for use even after many years of storage.Developed for Maximum ReliabilityThe CR2 is manufactured to the highest quality standards to ensure maximum reliability and leak-proof protection. This protects your valuable and often sensitive equipment from damage. The protective individual blister pack ensures that the battery retains its full performance until used and can be safely stored protected from short-circuit and external influences. Characteristics                                                                                                                                                          Model              VARTA Lithium photo battery CR2 (individual blister)               Battery type              Lithium manganese dioxide (Li-MnO2)               Rated voltage (V)              3.0               Capacity (mAh)              880               Diameter (mm)              15.6               Height (mm)              27.0               Weight (g)              11.0        FAQs about the VARTA Lithium Battery CR2What is the main advantage of this lithium battery?The crucial advantage is its ability to deliver very high currents quickly (high drain), making it ideal for photographic flashes and other high-power applications. This is combined with an extremely long shelf life and a wide temperature range.Is this battery rechargeable?No. This is a lithium primary battery. It must not under any circumstances be attempted to recharge it. Confusion with similar-looking rechargeable lithium-ion batteries (e.g. RCR2) is dangerous and can lead to fire or explosion.Why is it called a "photobattery"?One of the main areas of application for this battery type is to power cameras and flashes. The high voltage and the ability to provide power quickly are perfectly matched to the requirements of photography.How should this battery be disposed of?Batteries may not be disposed of in household waste. Please take the empty battery to the designated collection points in retail or municipal recycling centres to ensure environmentally friendly recycling. 

The Yuasa NP12-12 VDS is a high-quality, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 volts and a capacity of 12 Ah. Featuring maintenance-free AGM technology and VdS certification, this battery provides a reliable and long-lasting power supply for safety-critical and industrial applications. Whether in standby mode or in cyclic use, the NP12-12 meets the highest quality and safety standards.Highlights at a glanceHigh capacity: 12 Ah at 12 V for a long-lasting power supply.VdS approved: G 189170 for safety-related applicationsMaintenance-free: Leak-proof AGM technology with > 99% gas recombination.High current-carrying capacity: Up to 360 A discharge current for 1 second.Flexible installation: Operation in all positions (except permanently upside down).Long-lasting: EUROBAT class “Standard Commercial” with a service life of up to 5 years.High performance for safety-critical applicationsThe NP12-12 delivers 12 Ah during a 20-hour discharge (down to 1.75 V/cell) and 11.1 Ah during a 10-hour discharge (down to 1.8 V/cell). With a maximum discharge current of 360 A for 1 second and 75 A for 1 minute, this battery is also ideally suited to short-term power peaks.Robust technology for demanding environmentsThanks to VRLA (Valve Regulated Lead Acid) technology with an AGM (Absorbent Glass Mat) system, the NP12-12 is completely maintenance-free and leak-proof. The battery features self-closing low-pressure relief valves for safe pressure equalisation within the cells. The internal resistance is 44.39 mΩ in accordance with EN IEC 60896-21, and the short-circuit current is 320 A. The low self-discharge rate of approx. 3% per month allows for long-term storage whilst maintaining a high state of readiness. The robust ABS housing can also be supplied in a flame-retardant version (UL94:V0) on request.Features  ModelYuasa NP12-12 VDS Battery typeVRLA AGM (maintenance-free) Nominal voltage (V)12 Capacity (Ah)12 (at 20h rate) Maximum discharge current120A (for 5 seconds) Charging voltage (float charge)13.65V (±1%) Charging voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeUp to 5 years (according to Yuasa design) Dimensions (L/W/H, mm)151 x 98 x 94 Weight (kg)4.0 ConnectionFaston 6.3mm CertificationsIEC 60896-21+22, VdS, UL  FAQs on the Yuasa NP12-12 lead-acid batteryWhat applications is the NP12-12 suitable for?The battery is ideal for:VdS-compliant fire and intruder alarm systemsUninterruptible power supplies (UPS)Emergency lightingTelecommunicationsControl and regulation technologyMedical technology devicesIs the battery maintenance-free?Yes, thanks to AGM technology, the battery is completely maintenance-free and leak-proof.What is the service life of the NP12-12?The service life is up to 5 years at 20 °C and corresponds to the EUROBAT category “Standard Commercial”.Can the battery be installed flexibly?Yes, the battery can be operated in all positions, with the exception of a permanently upside-down mounted position.Which charging parameters (float vs cycle) apply?Float charging voltage (20 °C): approx. 13.65 V (2.275 V/cell), compensation –3 mV/cell/°CBoost/cycle charge: approx. 14.5 V (2.42 V/cell), compensation –4 mV/cell/°CCyclic charging limit: max. 3 A (~0.25 C)What temperature ranges and storage conditions apply?Charging: −15 °C to +50 °CDischarging: −20 °C to +60 °CStorage (fully charged): −20 °C to +60 °CSelf-discharge: approx. 3% per month at 20 °C

The Yuasa NP24-12I VdS is an industrial, valve-regulated lead-acid (VRLA) battery with a nominal voltage of 12 V and a capacity of 24 Ah. With leak-proof AGM technology, high current-carrying capacity and VdS approval, this maintenance-free battery is a reliable power source for safety-critical applications such as fire alarm systems, UPS systems or telecommunications systems.Highlights at a glanceReliable capacity: 24 Ah (20h) / 22.3 Ah (10h) at 12 V for a constant power supplyVdS approved: G 182026 for safety-related applicationsHigh peak load: Maximum discharge current up to 500 A for 1 secondMaintenance-free: AGM technology with > 99% gas recombinationFlexible installation: Internal threaded or bolt connections (M5) with a tightening torque of 2.45 NmHigh-performance solution for critical systemsWith a nominal capacity of 24 Ah (20-hour discharge to 1.75 V/cell) and 22.3 Ah (10-hour discharge to 1.8 V/cell), the NP24-12I delivers a reliable and stable power supply – even during sudden load peaks of up to 500 A. Ideal for emergency power supplies, security technology and communication systems where reliability is of the utmost importance.Robust technology with high operational reliabilityThe maintenance-free AGM (Absorbent Glass Mat) technology completely binds the electrolyte within the separator, meaning there is no free electrolyte present. With gas recombination of over 99% and self-closing safety valves, the battery is safe in operation and requires no topping up. The low self-discharge rate of approx. 3% per month makes it particularly suitable for long-term storage. The housing, made of robust ABS plastic, complies with the UL94:HB standard; a flame-retardant version in accordance with UL94:V0 is available upon request.Features  ModelYuasa NP24-12I VdS Battery typeVRLA AGM (cycle-resistant, maintenance-free) Nominal voltage (V)12 Capacity (Ah)24 (at a 20-hour rate) Maximum discharge current240A (for 5 seconds) Charging voltage (trickle charge)13.65V (±1%) Charging voltage (cyclic operation)14.7V (±3%) Operating temperature (°C)-15 ~ 50 Storage temperature (°C)-20 ~ 50 Service lifeHigh cycle life Dimensions (L/W/H, mm)175 x 166 x 125 Weight (kg)8.6 ConnectionM5 thread CertificationsIEC 60896-21+22, UL, VdS  FAQs on the Yuasa 12V 24Ah lead-acid batteryWhat applications is the NP24-12I suitable for?It is ideal for fire alarm systems, UPS systems, emergency lighting, telecommunications, security technology and PV backup systems.What is the typical service life in standby mode?The NP24-12I offers a service life of up to 5 years at 20 °C and is classified as ‘Standard Commercial’ according to EUROBAT.What type of connection is used?Internal threads or bolt connections (M5) with a tightening torque of 2.45 Nm ensure a secure and vibration-resistant connection.Is the battery truly maintenance-free and leak-proof?Yes. VRLA technology with gas recombination and valve-regulated design. Each cell has a low-pressure valve. yuasa.deIn what orientation may the NP24-12I be mounted?Installation and operation are possible at angles of up to 90 degrees from the upright position. Permanent overhead installation is not intended.What charging voltages must be observed and what is the maximum permissible charging current?Float charge at 20 °C 13.65 V per block. Cyclic charging at 20 °C 14.5 V per block. Temperature compensation float approx. −3 mV per cell and °C, cyclic approx. −4 mV per cell and °C. Cyclic charging current up to 6 A.Can the battery be operated in a sealed enclosure?No, VRLA batteries can release hydrogen gas. Installation in airtight enclosures is not permitted and adequate ventilation must always be ensured.