The 4 Pack 3.7V 18650 Rechargeable Battery Flat Top with Charger by Matbc is a reliable option for powering various devices in the Sound & Vision category. With a long battery life of 2800mAh, these lithium-ion batteries offer consistent power for extended periods. The flat top design ensures easy handling and charging, while the included charger makes keeping them powered up convenient. The package dimensions of 22.2 x 22 x 6.1 cm and weight of 290g make it easy to transport and store, making it a practical choice for on-the-go use.
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