Battery For HP10B Calculator

Battery Specifications:

\[ \text{CR2032 Battery Capacity} = 30 \text{ mAh} \]

Battery Capacity:

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1. What Battery Does HP10B Calculator Use?

The HP10B financial calculator uses a standard CR2032 lithium coin cell battery. This 3V battery provides reliable power for the calculator's operations.

2. Battery Specifications

Standard CR2032 battery specifications:

\[ \text{Nominal Voltage} = 3V \] \[ \text{Typical Capacity} = 230 \text{ mAh} \] \[ \text{Diameter} = 20 \text{ mm} \] \[ \text{Thickness} = 3.2 \text{ mm} \]

Note: Actual capacity may vary slightly between manufacturers.

3. Battery Life Estimation

Details: Battery life depends on usage patterns. With typical use, a CR2032 battery lasts approximately:

3-5 years with occasional use
1-2 years with regular daily use
6-12 months with heavy continuous use

4. Replacement Instructions

Steps to replace battery:

Turn calculator over and locate battery compartment
Use small screwdriver to open compartment
Remove old battery (note orientation)
Insert new CR2032 battery (positive side up)
Replace compartment cover

5. Frequently Asked Questions (FAQ)

Q1: Can I use other battery types in HP10B?
A: No, only CR2032 is recommended. Other types may not fit or provide proper voltage.

Q2: How do I know when to replace the battery?
A: Signs include dim display, calculation errors, or failure to power on.

Q3: Will I lose memory when replacing battery?
A: Yes, all memory will be cleared during battery replacement.

Q4: Where can I buy replacement batteries?
A: CR2032 batteries are widely available at electronics stores, pharmacies, and online retailers.

Q5: Are rechargeable CR2032 batteries available?
A: Yes, but they typically have lower capacity and may not last as long as standard lithium cells.