Product Description:
Delipow 10440 3.7V 320mAh Li-ion rechargeable battery is specially engineered for mini flashlights and other compact high-voltage electronic devices. Despite its tiny size (identical to AAA), this battery packs 3.7V of high-discharge power, low internal resistance, and a massive 1500-cycle lifespan. Featuring a button top design, it ensures reliable contact with the internal terminals of your specialty devices.
Key Features:
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Designed for Mini Flashlights: The 10440 format (10mm x 44mm) is engineered specifically for compact EDC flashlights and specialized precision devices.
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Button Top Design: Features a protruding button top terminal to ensure secure, reliable contact with the device's internal connection points. (Please confirm your device requires a button top before purchasing.)
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High Voltage 3.7V Output: Delivers strong, consistent 3.7V power with low internal resistance, ensuring your mini flashlights shine bright and perform at their best.
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1500 Ultra-Long Charge Cycles: Supports up to 1500 recharge cycles, far exceeding standard lithium batteries. One battery replaces hundreds of disposable cells, saving money and reducing waste.
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Low Self-Discharge Technology: Maintains power over long periods of storage, so your batteries are ready to use whenever you need them.
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Low Resistance & High Discharge: Features high discharge performance and low resistance, ensuring efficient energy delivery without power loss.
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Quality Assurance & Safe Materials: Manufactured with mercury-free and cadmium-free materials, adhering to GB31241-2022 national safety standards for environmentally friendly and reliable daily use.
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No Memory Effect: Allows for convenient recharging at any time without reducing overall battery capacity or lifespan.
Product Parameters:
Brand: Delipow
Model: 10440 Rechargeable Li-ion Battery
Capacity: 320mAh
Nominal Voltage: 3.7V
Top Type: Button Top
Discharge Rate: 3C
Net Weight: 9g
Cycle Life: Up to 1500 times
Compliance Standard: GB31241-2022
Dimensions: 10mm (Diameter) x 44mm (Height)
Pack Quantity: 2-Pack
Applications:
Mini Tactical Flashlights: The ideal power source for small, high-lumen EDC flashlights and keychain lights that require a button top battery.
Specialized Laser Pointers & Aimers: Provides stable 3.7V voltage for compact laser aiming devices and pointers.
Precision Remote Control Transmitters: Powers small transmitters and handheld controllers for hobbyist devices.
Portable Medical Devices: Suitable for compact digital blood pressure monitors and other specific portable medical instruments.
Small Sensor & Alarm Systems: Reliable backup power for miniaturized security sensors and alarm transmitters.
Frequently Asked Questions (FAQ):
Q1: Can I use this 10440 battery as a replacement for a standard AAA battery?
A1: NO. Please exercise extreme caution! While the 10440 shares the exact same physical dimensions as a standard AAA (10mm x 44mm), it operates at 3.7V. Using a 3.7V battery in a device designed for 1.2V or 1.5V (like a standard remote control or clock) will instantly damage or destroy the device. It is only compatible with devices explicitly specified for 10440 or 3.7V power.
Q2: What is the difference between this Button Top and a Flat Top?
A2: A Button Top battery has a protruding nub on the positive terminal, while a Flat Top battery has a flat positive terminal. This button top design provides a secure physical connection to devices that require a raised contact point. If your device needs a flat contact, please choose the Flat Top version.
Q3: How long does it take to fully charge a 320mAh battery?
A3: Charging time depends on your specific Li-ion charger. Using a standard dedicated 10440/3.7V charger, it typically takes approximately 1 to 2 hours.
Q4: Is it safe to use this battery in my expensive mini flashlight?
A4: Absolutely. These batteries are manufactured with strict quality control and meet the GB31241-2022 national safety standard. They are mercury-free and cadmium-free, ensuring safe and reliable use.
Q5: What kind of charger should I use for this battery?
A5: You must use a charger specifically designed to charge 3.7V lithium-ion batteries (such as a 10440 or 14500 charger). Do not attempt to charge it in a standard AA/AAA Ni-MH charger, as it will not cut off at the correct voltage and is extremely dangerous.
