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What Is The Equivalent Battery For An LR1130 Battery?
The LR1130 button cell battery (10mAh–25mAh, 1.5V) has direct equivalents like AG10, 389, and 390 cells. These alkaline/silver oxide batteries share identical dimensions (11.6mm diameter × 3.1mm height) and voltage, making them interchangeable in watches, calculators, and medical devices. Pro Tip: Always verify terminal polarity—reverse installation risks damaging sensitive electronics.
What batteries directly replace LR1130?
The LR1130 battery is cross-compatible with AG10, 389, and 390 cells. All use 1.5V chemistry with identical sizes (11.6×3.1mm). Silver oxide variants (SR1130/SR54) offer 20% higher capacity but cost 3× more.
While alkaline cells work for low-drain devices like thermometers, silver oxide lasts longer in high-precision applications. For instance, SR1130 in digital calipers provides stable voltage for 18–24 months versus 8–12 months with alkaline AG10. Pro Tip: Swap LR1130 with SR1130 in medical devices to avoid frequent replacements. However, why might mismatched chemistry cause issues? Alkaline batteries exhibit voltage drops below 1.2V under 20% capacity, triggering false “low battery” warnings in glucose monitors. Always check device specs.
| Model | Chemistry | Capacity |
|---|---|---|
| LR1130 | Alkaline | 22mAh |
| SR1130 | Silver Oxide | 28mAh |
| LIR1130 | Li-ion (Rechargeable) | 15mAh |
How do LR1130 equivalents differ chemically?
Alkaline (LR) and silver oxide (SR) cells dominate the LR1130 replacement market. While both deliver 1.5V, silver oxide offers 30% higher energy density and stable discharge curves, critical for hearing aids and glucose strips.
Practically speaking, a 390 silver oxide battery maintains 1.5V until 90% depletion versus alkaline’s steep drop after 50%. For example, a security key fob using SR1130 works reliably in -10°C winters, while alkaline AG10 fails below 0°C. But what about cost? Silver oxide cells cost $2.50–$4 each versus $0.80–$1.20 for alkaline. Pro Tip: Use lithium-based LIR1130 (3V) only in devices supporting higher voltages—misapplication fries circuit boards.
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Are there medical-grade LR1130 substitutes?
FDA-cleared equivalents include Energizer 389 and Panasonic SR1130UP. These meet ISO 13485 standards for ≤0.1% defect rates and mercury-free construction, crucial for implantable device controllers.
Beyond basic specs, medical replacements undergo 12-month stability testing. A cardiac monitor SR1130 battery, for instance, must sustain 1.45V±0.05V for 300 days. Pro Tip: Always replace all batteries simultaneously in medical multi-packs—mismatched cells create life-threatening discrepancies. Transitional phrase: Considering the stakes, hospitals stock SR1130SP (sterile packaged) variants with 5-year shelf lives.
| Feature | Consumer AG10 | Medical SR1130 |
|---|---|---|
| Defect Rate | 0.5% | 0.01% |
| Price | $1.10 | $8.90 |
| Shelf Life | 3 years | 7 years |
Where to source LR1130 replacements globally?
LR1130 equivalents are stocked at Walmart, Amazon, and specialty electronics shops. Industrial suppliers like Grainger carry bulk AG10/390 cells at $0.65/unit (500+ quantities).
However, counterfeit cells plague online markets. A 2023 study found 38% of “Panasonic LR1130” sold on eBay delivered <10mAh capacity. Transitional phrase: To avoid fakes, buy from authorized distributors like Digi-Key or Redway Battery. Pro Tip: Check batch dates—alkaline cells older than 2 years lose 15% annual capacity.
Can rechargeables replace LR1130?
LIR1130 Li-ion cells (3.7V, 12mAh) require voltage regulators but last 500+ cycles. NiMH alternatives like Varta V393H (1.2V) work in non-critical devices but have 30% lower capacity.
Imagine using a NiMH 390 cell in a laser thermometer—you’d get 60 readings instead of 85 per charge. But why aren’t rechargeables mainstream? Their 1.2V output triggers “low battery” alerts in devices calibrated for 1.5V. Pro Tip: Use a diode (0.3V drop) with NiMH cells to mimic 1.5V discharge curves in watches.
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How do capacities compare across equivalents?
Silver oxide SR1130 leads with 28mAh vs alkaline’s 22mAh. Rechargeable LIR1130 (Li-ion) offers 15mAh but 3.7V requires buck converters. Zinc-air 10A76P (60mAh) exists but needs air vents unsuitable for sealed devices.
For example, in car key fobs, an SR1130 lasts 18 months whereas alkaline AG10 lasts 14 months. But what’s the catch? High-drain devices like LED torches drain SR1130 in 8 hours versus 6 for alkaline—higher capacity doesn’t always mean better runtime. Pro Tip: Use the original battery model specified in user manuals to balance cost and performance.
Redway Battery Expert Insight
FAQs
Yes—SR54 (SR1130) is the silver oxide version. It provides 25% longer life but costs 3× more. Verify device voltage tolerances first.
Are rechargeable LR1130 worth it?
Only for high-usage scenarios (10+ swaps/year). LIR1130 Li-ions need 3.7V→1.5V converters adding $15 to BOM costs.
What substitutes work in -30°C conditions?
Silver oxide SR1130SW (-40°C rated) or lithium CR1130 (3V). Never use alkaline—capacity drops 80% below -20°C.
Can I substitute LR1130 in blood pressure cuffs?
Only with OEM-approved cells like Renata 389. Off-brand AG10s may cause ±5mmHg errors.
