Product Description:
Heavy-Duty Power for Your Large Devices: Meet the Delipow D Size (1号) 3500mAh 1.2V Ni-MH rechargeable battery. Specifically designed to power large household and outdoor devices, this high-capacity battery delivers reliable, long-lasting energy exactly where you need it most.
Unrivaled Long-Term Storage & Savings: Engineered with advanced low self-discharge technology, this battery retains up to 90% of its charge after six months, 80% after one year, and an incredible 70% even after three years of storage. Supporting up to 1200 recharge cycles, one single D-size battery replaces 1200 disposable dry cells, saving you significant money and reducing environmental waste.
Zero Memory Effect & Ready to Use: Featuring zero memory effect, you can recharge it at any time without worrying about capacity loss. Plus, every battery is pre-charged to 80% capacity at the factory, so you can install it in your device immediately upon arrival.
Key Features:
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High-Capacity 3500mAh D Size Battery: Provides massive energy for demanding large devices such as gas stoves, high-power flashlights, and water heaters. Comes in a 4-Pack.
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1200 Ultra-Long Recharge Cycles: One battery can be reused up to 1200 times, effectively replacing 1200 single-use batteries, making it extremely economical and eco-friendly.
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Advanced Low Self-Discharge Technology: Retains 90% charge after 6 months, 80% after 1 year, and an impressive 70% after 3 years of storage. Long-term reliability guaranteed.
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No Memory Effect: Allows for convenient, worry-free charging at any time without reducing the battery's overall lifespan or capacity.
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Pre-Charged & Ready to Use: Each battery comes from the factory pre-charged to 80% capacity, ensuring it's ready to power your devices straight out of the box.
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Wide Application Range: Specifically designed to power large electronics, including gas stoves, portable boilers, emergency flashlights, and heavy-duty radios.
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Standard 1.2V D Size Voltage: Provides a stable 1.2V output, perfectly compatible with standard D-size/1号 battery powered devices. (Please confirm your device's battery size before ordering; this is much larger than AA/AAA batteries).
Product Parameters:
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Brand: Delipow
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Size: D Size
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Type: Ni-MH (Nickel-Metal Hydride) Rechargeable Battery
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Capacity: 3500mAh
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Nominal Voltage: 1.2V
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Cycle Life: Up to 1200 times
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Self-Discharge Rate: 90% after 6 months / 80% after 1 year / 70% after 3 years of storage
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Pre-Charged Status: Factory pre-charged to 80% capacity (Ready to use immediately)
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Dimensions: 32mm (Diameter) x 61mm (Height) / 1.26in x 2.4in
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Pack Quantity: 4-Pack
Applications:
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Home Kitchen & Appliances: Reliable power for gas stove igniters, water heater pilot lights, and continuous-use kitchen gadgets.
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Outdoor Adventure & Emergency Gear: Powers high-lumen, heavy-duty LED flashlights, searchlights, and portable camping radios used for extended outdoor trips.
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Industrial & Maintenance Tools: Provides long-lasting power for portable signal lights, heavy-duty diagnostic meters, and construction site tools.
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Large Musical Instruments & Portable Boomboxes: Supplies stable energy for large portable speakers, boomboxes, and portable amplifiers used at parties and events.
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Children's Heavy-Duty Toys: Drives large motorized ride-on toys, oversized RC cars, and robotic toys that require the larger D-size battery format.
Frequently Asked Questions (FAQ):
Q1: What is the difference between a D Size battery and an AA/AAA battery?
A1: A D Size battery is much larger. It measures approximately 32mm (1.26in) in diameter and 61mm (2.4in) in height. It is not interchangeable with AA or AAA batteries. Please check your device's battery compartment carefully before ordering to ensure it requires D Size batteries.
Q2: Can I leave this battery unused for a long time without losing power?
A2: Absolutely. Thanks to its advanced low self-discharge technology, it retains 70% of its charge even after 3 years of storage. It's perfect for emergency preparedness and backup power.
Q3: Do I have to fully drain this battery before charging it?
A3: No. It features zero memory effect, meaning you can charge it whenever you want without damaging the battery's capacity or lifespan.
Q4: How long does it take to fully charge this 3500mAh battery?
A4: Charging time depends on your charger's output current. Using a standard D-size smart charger, it typically takes several hours. We recommend using a charger specifically designed for large Ni-MH batteries to ensure safety and efficiency.
Q5: Is this battery ready to use right out of the box?
A5: Yes. It is pre-charged to 80% capacity at the factory. You can install it in your device immediately, though we recommend a full initial charge for optimal long-term performance.
