battery life up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
battery life up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
life of up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
battery life up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
life of up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
battery life up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
life of 4-5 hours (2000VA) or a willingness to purchase one before commencing teaching, if you are based
life of up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable
life of 4-5 hours (2000VA) or a willingness to purchase one before commencing teaching, if you are based
life of up to 4-5 hours (2000VA) (or willing to purchase before commencing teaching). This is applicable