Give your Sharp device a new lease on life with this 2700mAh replacement battery! This Ni-MH power cell is specifically designed for Sharp BT-H21, BT-H21U, BT-H22, and BT-H22U battery compartments, plus it works with a massive list of Sharp models including VL series camcorders and various other electronics. The 3.6V output and 9.72Wh capacity match the original specifications perfectly, so you get the same performance you're used to. Measuring 56.00 x 53.50 x 19.00mm, it fits exactly where your old battery went without any modification needed. What's really reassuring are the certifications - this battery is RoHS approved (meaning no toxic materials), plus it has CE and ISO9001 certificates for quality assurance. Ni-MH technology means no memory effect issues like older battery types, and you get reliable power delivery throughout the charge cycle. Perfect when your original battery won't hold a charge anymore or if you need a spare for extended use. Installation is as simple as swapping out your old battery - no tools or technical knowledge required. Much more affordable than buying from the original manufacturer, and the quality feels solid and reliable. Just make sure to check both your device model AND battery part number to ensure compatibility before ordering.