Wasabi Power Battery for Sokkia GPS, 7380-46, BDC46, BDC46A, BDC46B, SDL30, 40200040, SET 10, 30, 130, 210, 230, 300, 310, 330, 510, 530, 610, 630 Rechargeable lithium-ion battery for Sokkia GPS unit Premium Japanese cells for longer battery life with no memory effect Completely compatible with the original charger Rated at 7.2V and 2600mAh for a longer run time Includes CGRB202 battery with 3-year manufacturer warranty