Concorde RG-12LSA Aircraft Battery

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Part# 11-09455
MFR Model# RG-12LSA


Concorde is now shipping the new Light Sport Aircraft 12 Volt Battery to its distributors. RG-12LSA is a small, lightweight sealed valve regulated lead acid battery for experimental and new Type Certified aircraft. This RG® Series battery incorporates Concorde’s recombinant gas technology installed on various types of commercial, military and private aircraft for engine cranking.

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WARNING: Cancer and Reproductive Harm -


  • Battery Type: RG-12LSA Sealed Lead Acid
  • Voltage: 12
  • Ampere Hours: 11.00
  • Max. Weight: 13.00lbs


Just the right battery for a J3 electrical system. Into second year with a Battery Minder to keep up battery between flights. Concord batteries on other aircraft into third year, and have seen them last five years with proper care.

E. R
July 4, 2014

Just installed in July so not much info to provide. Fits nicely in J4A battery compartment and meets the specs.

Kent G
October 9, 2018

Battery is dead in 2 year, even if i charge them montl to take care of them, i remove it during winter, i know my palne fly only 2 hours in two year but i take care of them for nothing, no warranty avaible, i paid for a good quality battery,,, but im dissapointed about this, i buy a gill to replace it

Enrick F
March 11, 2014


Please note,'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What are the dimensions of the Concorde RG-12LSA battery? Width/height/depth in inches.

Overall dims are 7.71"(L) x 5.18"(W) x 4.56"(H).