Place the chicken pieces, onion, bell peppers, garlic, and ginger into the slow cooker.
In a bowl, whisk together the coconut milk, red curry paste, fish sauce, and brown sugar until smooth.
Pour the coconut milk mixture over the chicken and vegetables in the slow cooker. Stir gently to combine.
Cover and cook on low for 6 hours, until the chicken is tender and the sauce has thickened slightly.
Stir in the lime juice. Serve the curry over the cooked jasmine rice and sprinkle with chopped cilantro.