![Batteries Batteries](https://www.bren-tronics.com/media/catalog/category/BT_Batteries_groups_shot_3_from_EO_2_tpng.png)
Providing Expeditionary Batteries for 4+ Decades
Bren-Tronics has over five decades of providing reliable batteries powering your critical devices.
Explore them here:
- BT-70720A CSEL Primary
- BT-70867BE LI-80, 5.4 Ah
- BT-70430 BA-5374/U "Lipstick" Primary
- BT-70791CE BB-2590/U, 251 Wh, Low Temp
- BT-70747BE BB-2847A/U, 8.3 Ah
- BT-70867BG LI-80, 6.6 Ah
- BT-70492A Sophie - Upgraded to BT-70492BK
- BT-70747BK BB-2847A/U, 7.1 Ah