The Samsung 18650 25R 2500mAh 20A Battery, also known as the INR18650 25R, is a rechargeable NMC lithium-ion battery that offers a great balance of capacity, performance, and safety. The Samsung 25R battery has a high capacity of 2500mAh, a high performance of 20A continuous discharge, cycle life of over 500 times, and maintain a stable voltage, ensuring a consistent power supply to your devices.
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Item |
Specification |
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Nominal Capacity |
2,850mAh (0.2C, 2.50V discharge) |
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Typical Capacity |
2,850mAh (0.2C, 2.50V discharge) |
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Minimum Capacity |
2,750mAh (0.2C, 2.50V discharge) |
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Charging Voltage |
4.20 ± 0.05 V |
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Nominal Voltage |
3.65V (0.2C discharge) |
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Charging Method |
CC-CV(constant voltage with limited current) |
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Charging Current |
Standard charge: 1,375mA |
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Charging Time |
Standard charge: 3hours |
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Max. Charge Current |
2750mA (not for cyclelife) |
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Max. Discharge Current |
2,750mAh (continuous discharge) |
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Discharge Cut-off Voltage |
2.50V |
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Cell Weight (max. (g)) |
48g |
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Cell Dimension |
Diameter(max.) : 18.40 mm |
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Operating Temperature |
Charge: 0 to 45°C |
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Storage Temperature |
1 year : -20~25°C (1*) |
Samsung 18650 25R 2500mAh 20A Battery WARNING:
- Use dedicated charger of 18650 25R Samsung battery.
- Use or charge the battery only in the dedicated application.
- Don't charge the battery by an electric outlet directly or a cigarette lighter charger.
- Don't charge the battery reversely.
- Don't leave the 18650 25R Samsung battery near the fire or a heated source.
- Don't throw the battery into the fire.
- Don't leave, charge or use the battery in a car or similar place where inside of temperature may be over 60°C.
- Don't immerse, throw, wet the battery in water / seawater.
- Don't fold the battery cased with laminated film such as pouch and Polymer.
- Don't store the 18650 25R Samsung battery in a pocket or a bag together with metallic objects such as keys, necklaces, hairpins, coins, or screws.
- Don't short circuit (+) and (-) terminals with metallic object intentionally.
- Don't pierce the battery with a sharp object such as a needle, screw drivers.
- Don't heat partial area of the battery with heated objects such as soldering iron.
- Don't hit with heavy objects such as a hammer, weight.
- Don't step on the battery and throw or drop the battery on the hard floor to avoid mechanical shock.
- Don't disassemble the battery or modify the battery design including electric circuit.
- Don't solder on the 18650 25R Samsung battery directly.
- Don't use seriously scared or deformed battery.
- Don't put the battery into a microwave oven, dryer ,or high-pressure container.
- Don't use or assemble the battery with other makers' batteries, different types and/or models of batteries such as dry batteries, nickel-metal hydride batteries, or nickel-cadmium batteries.
- Don't use or assemble old and new batteries together.
- Stop charging the battery if charging isn't completed within the specified time.
- Stop using the 18650 25R Samsung battery if the battery becomes abnormally hot, order, discoloration, deformation, or abnormal conditions is detected during use, charge, or storage.
- Keep away from fire immediately when leakage or foul odors are detected. If liquid leaks onto your skin or cloths, wash well with fresh water immediately.
- If liquid leaking from the battery gets into your eyes, don't rub your eyes and wash them with clean water and go to see a doctor immediately.
- If the terminals of the battery become dirty, wipe with a dry cloth before using the battery.
- The battery can be used within the following temperature ranges. Don't exceed these ranges: charge temperature ranges : 0°C ~ 45°C; discharge temperature ranges : -20°C ~ 60°C; store the battery at temperature below 60°C.
- Cover terminals with proper insulating tape before disposal.
