Sequoia Scientific offers seven external battery packs for LISST and Hyper-series instruments, in rechargeable and single-use alkaline versions from 12 to 15 V and 2 to 39 Ah. Find your instrument in the chart below to see which packs are compatible, then use our battery life calculator to estimate runtime for your sampling schedule. To extend a deployment, you can also connect two identical packs: see Batteries in Parallel.