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Battery which is used to supply downhole tools with electrical power and which is capable to sustain high temperatures and vibrations

Spectrum Batteries Inc. – http://www.spectrumbatteries.com/
SouthWest Electronic Energy – http://swe.com/
Tianjin Saiyingsi Battery – http://www.tjsaiyingsi.cn/
Saft Batteries – http://www.saftbatteries.com/
Electrochem – http://www.electrochemsolutions.com/
Excell Battery – http://excellbattery.com/
Moorfield International Limited – http://moorfieldint.com/
Errico International Limited, Xi’an – China
Innova Power Solutions – http://www.innova-power.com/ (Updated. Previous: Universal Power Solutions)
Charger Industries – http://www.chargerind.com/
Tianjin Fengshengda Battery – http://www.fsdbattery.com/
Customcells – http://en.customcells.de/
Suzhou Jinkefa Lithium-battery – http://www.jinkefa.com.cn/en/
EVE Battery – http://www.evebattery.com/
PetroMar Technologies – http://www.petromartech.com/