These lithium batteries directly replace the TPBAT12-52 and TPBAT12-9. They are lighter, more efficient, and deliver 2x the usable power with 4x the cycle life. If you already have a solar system, you can easily swap these in. If you’re purchasing a new system, ask about including lithium batteries for enhanced performance.

We’re thrilled to offer these advanced batteries, which expand our product capabilities and give you better options to optimize your system. However, there are important details to know when using lithium batteries. They operate in a narrower temperature range (32°F–131°F) and are subject to strict shipping regulations under DOT (49 CFR DG). Here’s what you need to be aware of:

1. Shipping carriers apply extra fees for Dangerous Goods.
2. We are certified to ship these batteries only by ground or freight services within the continental U.S.
3. Deliveries require a direct signature, so someone must be present to receive them.
4. DOT regulations mandate certification to ship these batteries, making them non-returnable.