In Stock. Mts Hotspot Battery Li-ion Battery Fits Mts, 831ft, 833f, 833ft 3.7v, 2000mah CS-ZMF900SL $33.58 As one of the world's most successful third-party battery manufacturers, Cameron Sino has been certified and approved by multiple authorities. These products are all verified and tested for safety. Contact us if there are any questions as to the fitment of the battery for your device it's better that you do this before you order as return shipping if you... Add to cart