Xtar 21700 3.7V Li-ion 4900mAh battery with protection

Maximum continuous discharge current of 10A!

XTAR 21700 high-current battery, for industrial and consumer applications, with PCM protection, against discharge, overcharge, overload and short circuit. Made with lithium-ion technology characterized by high discharge current, up to 10A, and provides higher energy density. Features an optimized electrode design. Dedicated to powering flashlights, but it is also suitable for portable and cordless devices, power tools and devices with high current load. To charge the battery, use a high-quality charger with a charge cutoff at no more than 4.2V, such as XTAR SC2 or FC2.

Dedicated to flashlights

• Built-in PCM protection, prevents voltages below 2.5V and above 4.25V
• Innovative design for impact resistance
• High plus for consumer applications
• Low internal resistance, high energy efficiency
• Stable output voltage
• Environmentally friendly
• Protected against: discharge, overcharge, overload and short circuit
• Duty cycles, up to more than 500 times

Technical specifications:

• Manufacturer: XTAR
• Model: INR21700-50T
• Capacity: 4900mAh
• Voltage: 3,7V
• Technology: lithium-ion (Li-ION)
• Maximum recommended discharge current: 10A
• Maximum charging voltage: 4.2 ± 0.05V
• Minimum discharge voltage: 2.5V
• Built-in PCM protection circuit
• Lifetime: approximately 500 cycles
• Dimensions: ∅21.4 ± 0.1mm × 74.8 ± 0.5mm
• Net weight: 71g

Specification:

• Capacity: 4900mAh
• Lifespan: 500
• Nominal voltage: 3,7V
• Technology: Lithium-ion (Li-ION)
• Cell size: 21700
• Minimum discharge voltage: 2,5V
• Diameter: 21,4mm
• Maximum cut-off voltage: 4,2V
• Height: 74,8mm
• Width: 21,4mm
• Maximum constant discharge current: 10A