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The HQ-70N is a replacement/internal Li-ion / Li-polymer battery designed primarily for the Samsung Galaxy A11 (SM-A115). It’s built to restore or extend the usable life of the phone, offering a reasonable capacity while maintaining safety measures like certification and protection.
Capacity: ~3,900 mAh (or ~4,000 mAh in some listings) Energy: ~14.9 Wh Nominal Voltage: ~3.82 V for some versions Max/Charge Voltage: ~4.4 V (in some replacement models) Chemistry: Li-ion / Li-polymer (Li-Po) Cycle Life: ~~500–800 cycles (for some aftermarket versions) Certifications: CE, FCC, RoHS in some third-party versions Compatibility: Samsung Galaxy A11 (SM-A115) models