【Product Description】
Protect your valuable household appliances while powering them with the Doublepow 1.2V D Size 3500mAh NiMH Rechargeable Battery. Built with a fully nickel-plated steel shell and advanced anti-leak & explosion-proof technology, this battery is designed to keep your devices safe from internal corrosion, short circuits, and unexpected leakage.
The secondary explosion-proof safety valve provides an additional layer of protection, making this battery one of the most reliable choices for your family. With a solid 3500mAh capacity and a standard Button Top design, it is the perfect drop-in replacement for standard D (LR20) batteries. Whether you need reliable ignition for gas stoves, steady power for water heaters, or long-lasting energy for radios and flashlights, the Doublepow D cell delivers consistent, safe, and cost-effective performance.
Free Gift: Every pack includes a handy plastic storage case to keep your batteries organized, dust-free, and protected from external short circuits.
( Important: This is a standard NiMH battery and does NOT have a USB charging port. It requires a dedicated NiMH smart charger for recharging.)
【Key Features】
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Advanced Explosion-Proof & Anti-Leak Safety: Features a fully nickel-plated steel casing and a secondary explosion-proof safety valve. Automatically releases pressure to prevent leakage and protects your expensive devices from corrosion.
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Bottom Insulation Ring Design: An insulating ring at the bottom prevents accidental short circuits, ensuring peace of mind during storage and use.
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3500mAh Reliable Capacity: Provides sufficient, steady power for daily household devices, offering a great balance between performance and long-term value.
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Standard Button Top Terminal: The protruding positive terminal ensures a tight, secure connection with spring-loaded battery compartments in standard D-size devices.
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Eco-Friendly & Cost-Saving: Rechargeable over hundreds of cycles, this battery saves you money on constantly buying disposable alkaline batteries, while significantly reducing environmental waste.
【Parameters & Specifications】
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Brand: Doublepow
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Battery Size: D Size (LR20 )
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Chemistry: NiMH (Nickel-Metal Hydride)
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Nominal Voltage: 1.2V
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Capacity: 3500mAh
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Terminal Type: Button Top
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Shell Material: Fully Nickel-Plated Steel
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Safety Features: Anti-leak design, Secondary explosion-proof safety valve, Bottom short-circuit insulation ring.
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Dimensions: 32mm (Dia) × 60mm (Height) (Standard D size)
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Accessory: Plastic Storage Case included for free.
【Applications】
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Kitchen & Heating: Gas stove igniters, gas water heater ignition systems.
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Lighting & Safety: High-power flashlights, emergency lights, camping lanterns.
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Home Electronics: Portable radios, boomboxes, electronic toys, remote controls.
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Daily Utilities: Digital clocks, wireless microphones, and other 1.5V D-size household gadgets.
【Frequently Asked Questions (FAQ)】
Q1: Does this battery have a built-in USB port for charging?
A1: No. This is a standard NiMH (Nickel-Metal Hydride) rechargeable battery. It does not have a USB port. To recharge, you need a dedicated NiMH smart battery charger.
Q2: Is this battery really explosion-proof?
A2: Yes. The Doublepow D battery features a robust nickel-plated steel casing and includes a built-in secondary safety explosion-proof valve. In the event of extreme pressure buildup, the safety valve safely releases pressure, preventing the battery from bursting and protecting your equipment.
Q3: Will this fit in my gas stove/water heater?
A3: Absolutely. The Doublepow D battery is a standard D size (approx. 32mm diameter x 60mm height). As long as your device uses a standard D (LR20) battery, this will fit perfectly.
Q4: Is the positive end protruding or flat?
A4: This battery features a Button Top (protruding positive end). This is the standard connector type for flashlights, radios, and gas stoves, ensuring a solid spring contact.
Q5: How do I know if this battery is better than a 1.5V lithium battery?
A5: They serve different purposes. A 3500mAh NiMH battery is excellent for everyday routine use (radios, toys) and offers exceptional safety. If you have a high-drain gas stove that requires very stable voltage, you might consider our 1.5V constant-voltage lithium option. For general daily use, the Doublepow NiMH is a reliable and cost-effective choice.
