Click to expand Tap to zoom Lithium Polymer Battery by HYT No reviews Save 10% Save 10% SKU HYT-BP4008 Li-Ion Battery (4000mAh) Li-Ion Battery with 18 hour operating time (4000mAh) $31.50 Retail Price Access exclusive member pricing Enjoy fast shipping on all orders Get access to over 38,000 items Sign up for free Already have an account? Sign in