18.5V, 4000mAh, Li-Polymer Battery fits Cameron Sino, RC Cars Cs-lp4005c35rt, 74WhBattery Fits Models: RC Cars Cs lp4005c35rt Battery Part Numbers: Cs lp4005c35rt Canadian Batteries have supplied the replacement batteries from Cameron Sino for nearly a decade. We have had zero instances of a product being damaged while using one of our batteries in that time. We supply generic replacements for the OEM batteries; we have had thousands of satisfied customers using these batteries as an economical alternative to the original