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Upgrade your BEST electronic card readers, keypads, and keypad locks with the ultimate power source - the Door Lock Battery 6VDC 2800mAh BEST! These disposable battery packs provide long-lasting power for your BEST products, ensuring they always operate at their best. The 2,800 mAh capacity ensures that your equipment will continue to run even during prolonged use, and the 6V DC voltage is specifically designed for optimal performance. These batteries are compatible with a range of BEST models including B.A.S.I.S. G Series Stand-Alone Card Readers and Keypads, B.A.S.I.S. V Series Stand-Alone Card Readers and Keypads, and EZ Series Keypad Locks. Don't let your electronic equipment run out of power - upgrade to the Door Lock Battery 6VDC 2800mAh BEST today!