When power failures occur, the runtime of any UPS system is determined by the condition of its batteries. Eventually, all batteries will deteriorate to the point where either the load is no longer supported, or the desired runtime is no longer available. As an alternative to investing in a new UPS system, Tripp Lite offers a complete line of Replacement Battery Cartridges (R.B.C.) that will extend the operating life of older UPS systems. By replacing depleted batteries, you not only restore your UPS system to its original runtime, but in many cases surpass its original runtime performance due to the superior quality of Tripp Lite replacement batteries. In addition, only Tripp Lite Replacement Battery Cartridges offer the superior compatibility and performance that the expertise of a UPS industry leader can deliver.Replacement Battery Cartridges from Tripp Lite are typically priced much lower than those offered by the original UPS manufacturer. Compared with many other third-party battery vendors, Tripp Lite Replacement Battery Cartridges offer you the assurance of quality and reliability that only a UPS industry leader like Tripp Lite can deliver. In many cases, Tripp Lite is also able to offer up to 30% longer runtime than basic battery replacements by including batteries with higher power densities than originally supplied with your UPS system. This unique combination of price, reliability and performance makes Tripp Lite Battery Replacement Cartridges your best value solution.