The best alternatives to CR2450 batteries include CR2032, CR2025, and CR2430 cells, which offer similar voltages (3V) but differ in capacity and size. For specialized devices, BR2450 (lithium-carbon) or rechargeable LIR2450 batteries may work. Always check device specifications for compatibility, as thickness and diameter variations can affect fit and performance.
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How to Identify CR2450 Battery Alternatives?
Identify alternatives by comparing voltage, diameter, and thickness. CR2450 batteries are 24.5mm wide and 5mm thick. Closest matches include CR2430 (24.5mm x 3mm) and CR2450N (higher capacity). Use calipers to measure your device’s compartment, and cross-reference IEC codes or manufacturer datasheets to ensure electrical compatibility.
When identifying substitutes, consider both physical and electrical characteristics. Many digital calipers can measure battery compartments with 0.1mm precision, crucial for devices like car key fobs requiring exact fits. For medical devices, consult the original equipment manufacturer’s cross-reference guides – some allow CR2450 replacements with modified specifications if they meet ANSI standards for discharge curves.
Top 5 best-selling Group 14 batteries under $100
| Product Name | Short Description | Amazon URL |
|---|---|---|
|
Weize YTX14 BS ATV Battery  |
Maintenance-free sealed AGM battery, compatible with various motorcycles and powersports vehicles. | View on Amazon |
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UPLUS ATV Battery YTX14AH-BS  |
Sealed AGM battery designed for ATVs, UTVs, and motorcycles, offering reliable performance. | View on Amazon |
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Weize YTX20L-BS High Performance  |
High-performance sealed AGM battery suitable for motorcycles and snowmobiles. | View on Amazon |
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Mighty Max Battery ML-U1-CCAHR  |
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Battanux 12N9-BS Motorcycle Battery  |
Sealed SLA/AGM battery for ATVs and motorcycles, maintenance-free with advanced technology. | View on Amazon |
| Battery Model | Diameter | Thickness | Capacity |
|---|---|---|---|
| CR2450 | 24.5mm | 5.0mm | 620mAh |
| CR2430 | 24.5mm | 3.0mm | 290mAh |
| CR2032 | 20.0mm | 3.2mm | 240mAh |
Are Rechargeable Alternatives to CR2450 Batteries Viable?
LIR2450 Li-ion batteries (3.6V) can replace CR2450 in some devices but require voltage regulation. Their higher nominal voltage may damage sensitive electronics. Use only in devices rated for 3.7V input. While rechargeable (500 cycles), they have lower capacity (120mAh) and cost 4x more. Ideal for test equipment prototypes, not medical devices.
Recent advancements in lithium-polymer technology have introduced thinner rechargeable options, but thermal management remains a challenge. For low-drain devices like wall clocks, some users report success with ML2450 rechargeables paired with voltage-limiting circuits. However, these solutions increase overall package size by 15-20%, making them unsuitable for compact electronics. Always verify the charge controller compatibility before attempting installation.
| Feature | CR2450 | LIR2450 |
|---|---|---|
| Voltage | 3V | 3.6V |
| Cycle Life | Single-use | 500 cycles |
| Cost | $1.50 | $6.00 |
“While alternatives exist, engineers should prioritize OEM-specified cells in life-critical devices,” says Dr. Elena Torres, power systems specialist at Battery Tech Insights. “CR2450’s unique energy density (620mAh at 5mm height) remains unmatched. For consumer electronics, third-party alternatives with IEC certifications can reduce costs by 40% without performance loss, provided they meet thickness tolerances within ±0.15mm.”
FAQs
- Can I use a 2032 battery instead of 2450?
- CR2032 can temporarily replace CR2450 in devices with adjustable contacts, but expect 60% shorter runtime. Not recommended for medical or security devices due to voltage drop issues in high-drain scenarios.
- Are all 3V coin batteries interchangeable?
- No. While voltage matches, differences in diameter (e.g., CR2025 at 20mm vs CR2450 at 24.5mm) and chemistry (lithium vs alkaline) affect performance. Always match IEC specifications for your device.
- How long do CR2450 alternatives last?
- CR2430 lasts 8-12 months in typical use vs CR2450’s 2-3 years. Rechargeable LIR2450 cells provide 6-9 months per charge cycle. Capacity degrades faster in temperatures above 40°C.