Based on the search results, I would recommend the Lithium-ion 18650 Battery - Nopin 3000MAH for R129 or the Ashcom Sdnmy 4800 MAH 18650 3.7V Lithium-ion Rechargeable Battery X2PCS for R249. These batteries appear to be the right type and capacity for your spotlight, and offer good value at a lower pricepoint. The Nopin battery provides 3000mAh for under R130, while the Ashcom batteries total 9600mAh for just over R240. Let me know if you need any other details!
