FULL ONE YEAR WARRANTY - BM Premium batteries and chargers include a one-year warranty. Dual Bay USB Charger charges 1 or 2 batteries simultaneously from any USB power source. It is built with multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection), and high-quality, fire-resistant construction. Convenient Charging Method: Common micro-USB input and the ability to charge with a USB wall charger, car charger, or external battery gives you more options than a standard battery charger, and Charges 2 BP-828 batteries simultaneously and smart LED light turns to red when charging and green when complete. (Adapters and Power bank sold Separately). Battery Specifications - Energy Storage Capacity: 3000mAh /Voltage: 7.4 volts, WH: 22.2Wh - New fully decoded chip works just like the original.(gives time left and does not need a special charger). BP-828 BP828 Li-ion Battery for Canon VIXIA GX10, HF G10, HF G20, HF G21, HF G30, HF G40, HF G50, HF G60, HF G70, HFM30, HFM31, HFM32, HFM300, HFM301, HFM40, HFM41, HFM400, HFS10, HFS11, HFS20, HFS21, HFS30, HFS100, HFS200, HF11, HF20, HF21, HF200, HG20, HG21, XA10, XA11, XA15, XA20, XA25, XA30, XA35, XA40, XA45, XA50, XA55, XA60, XA65, XA70, XA75, XF400, XF405 Camcorder.Input Voltage: 240 Volts. Item Weight: 2.2 Ounces. Brand: BM Premium. Manufacturer: Big Mike's. Date First Available: December 1, 2011. Is Discontinued By Manufacturer: No. Best Sellers Rank: #80 in Camcorder Batteries. Customer Reviews: 4.4 out of 5 stars 78 ratings 4.4 out of 5 stars. Batteries: 2 Lithium Ion batteries required. Item model number: BP828. : B075Z7RVFQ. Item Weight: 2.2 ounces. Package Dimensions: 7.36 x 4.06 x 1.57 inches.