Keeppower 18650 3500mAh Protected Li-ion Battery with +/-

Keeppower 3500mAh 18650 protected li-ion battery with “+”“-” in same pole

* Model Name: 18650 (Protected)
* Part No.: P1835J with “+”“-” in same pole
* Maximum Size: (D）18.6*（L）69.1mm（±0.2mm）
* Nominal Voltage: 3.7V
* Nominal Capacity: 3500mAh
* Quality Cell made in Japan
* PCM IC made in Japan
* OEM/Private label/Customize accept

Description

1. Protected 18650 Li-ion Rechargeable Battery P1835J with “+”“-” in same pole
2. Typical Capacity: 3500mAh (Min. Capacity: 3350mAh)
3. Normal Voltage: 3.6V/3.7V
4. Quality Li-ion rechargeable cell made in Japan
5. In Built Safety Circuitry (IC made in Japan)
6. Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
7. 4.2 volts max voltage and 2.5 volts cut-off voltage
8. Over 500 charge-discharge cycles
9. Customize option: Top (Button/Flat), Max. discharge current, Private label,Packing…
10. Battery Certification : UN38.3, IEC62133, CB Scheme, CE, ROHS, MSDS, Regulation (EU) 2023/1542

Application:

Lighting Devices
High-power flashlights & tactical flashlights: Delivers long-lasting high lumen output for outdoor, duty, and rescue operations.
Headlamps, camping & work lights: Stable voltage ensures consistent illumination for night work or outdoor activities.
Drones (Small / Toy Grade)
Provides lightweight, high-energy-density power for small drones or toy-grade aircraft, extending flight time.
Portable Fans
Compatible with handheld, neckband, and desktop portable fans – 3500mAh supports extended cooling time.
Night Vision Backup Batter
Serves as backup power for night vision goggles or infrared observation devices, ensuring continuous operation during night missions or field surveillance.
Thermal Devices
Provides stable, low-internal-resistance power for handheld thermal cameras and industrial thermometers, ensuring image quality.
Smart Locks
High-capacity with built-in protection circuit prevents overcharge/over-discharge, ideal for smart lock systems requiring long-term reliable power.
Medical Devices
Suitable for portable medical instruments such as glucometers, blood pressure monitors, therapy devices, and medical lighting – fully certified for safety.

Battery Safety Tips/Caution

Please fully charge the battery before first use.
The battery’s positive terminal may become hot during charging. Please do not touch it.
Do not short circuit. Please keep it away from loose change and metal objects.
Do not immerse battery in any liquid, including water.
Do not expose the battery to direct sunlight or high temperature. Keep it away from fire.
Do not crush, puncture, disassemble, or modify the battery.
Do not reverse the positive (+) and negative (-) terminals when charging or using the battery.
Immediately stop using if battery if it has abnormalities, such as unusual smell, overheating, discoloration, or deformation.
On exposure to battery electrolytes, rinse immediately with water and seek medical treatment.
Keep the battery away from children and pets.

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