(2 Pack) Samsung 25R 18650 20A 2500mAh High Drain Batteries

2x Genuine Samsung 25R 18650 20/30A 2500mAh High Drain Flat Top Batteries

Battery specifications:
Model: 25R
Part Number: INR18650-25R M
Manufacturer: Samsung
Chemistry: INR
Application: High Drain Devices
Max. continuous discharge current: 20A
Pulse discharge current: 30A
Nominal capacity: 2500 mAh (2.5Ah) (9.25WH)
Nominal voltage: 3.7 V
Discharge end voltage: 2.5 V
Charging voltage: 4.20 +/- 0.05 V
Standard charging current: 2000 mA
Charge Cycles: 500+
Protected: Unprotected
Positive Pole: Flat
Made in: Malaysia
Dimensions: 18650 18mm x 65mm

You must follow the below guidelines before, during or after purchasing Lithium Ion rechargeable batteries. 
Mishandling of the battery may cause heat, fire, deterioration in performance and explosions. 

Cautions for Use and Handling

Fully read manual of item the battery is being used with.
Only charge with a suitable charger, please read the specific charger manual before charging. 
Charge time should not be longer than specified in the manual.
If the cell is not charging after long exposure to the charger, discontinue charging.
Battery must be charged at operating temperature range -5 ~ 50c.
Battery must be discharged at operating temperature range -20 ~ 75c. (Cell Surface Temperature)
Please check the positive (+) and negative (-) direction before packing.
When a lead plate or wire is connected to the cell for packing, check out insulation to prevent short-circuit.
Battery must be stored separately in secure containers when not in use, never leave loose in bags or pockets.
Battery must be stored in a dry area with low temperature for long-term storage.
Do not expose the battery to direct sunlight or heat.
Do not use the battery in high static energy environment where the protection device can be damaged.
When rust or smell is detected on first use, please return the product to the seller immediately.
The battery must be kept away from children or pets at all times
When cell life span shortens after long usage, please exchange to new cells.
If wrapper is damaged dispose of immediately
Do not charge with constant current more than maximum charge current.
Do not discharge at cell temperature of over the 75c
Do not disassemble or reconstruct the battery.
Do not throw, drop, pierce or cause impact to battery.
Do not mix cells, always use the same cells/models together.
Do not solder on battery directly.
Do not press the battery with overload in manufacturing process, especially ultrasonic welding.
Do not use old and new cells together for packing.
Do not put the battery into a microwave or high pressure container.
Do not use the battery reversed.
Do not connect positive(+) and negative(-) with conductive materials (such as metal, wire)
Do not allow the battery to be in contact with water or sea-water.
Do not use in applications which exceed battery capabilities
Do not use outside of battery packs
Items for sale to battery pack makers and system integrator's only