Long-Life Pure-Cobalt Battery BL-49ST for TECNO KJ5 and More
The VOBOX BL-49ST gives wholesalers and repair-parts suppliers one battery reference covering 2 listed models and device codes, including TECNO KJ5 / SPARK 20. Its verified specification is 5000mAh typical capacity, 3.85V nominal voltage, and 19.25Wh typical energy. A brand-new pure cobalt cell rated for over 500 cycles is combined with overcharge, over-discharge, overcurrent, and short-circuit protection. Bulk supply, mixed-model purchasing, custom branding, and OEM/ODM programs are available for qualified orders.
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