Can I mix old and new batteries in a Smart-UPS?
... old and new batteries in a Smart ... ... either multiple internal battery cartridges and/or ... to add external batteries . ... old and new battery cartridges within the same ... ... Lead Acid) batteries age, their ... ... Smart-UPS batteries are connected in parallel and all batteries are charged at ... Mixing batteries of different ages ... result in some batteries being under charged ... ... and installing the battery cartridges , you should keep the battery cartridges in their original ... When replacing the batteries in a Smart ... , you should replace all battery cartridges (internal and ... When replacing battery cartridges that are comprised ...