About Twentieth Energy (Shenzhen) Co., Ltd.

Twentieth Energy (Shenzhen) Co., Ltd. ("20th Energy") is a forward-thinking energy technology company dedicated to providing advanced 18650 lithium-ion battery packs and residential energy storage systems (ESS) to global customers.

Founded by Anhui Tianketai New Energy Co., Ltd., we operate as an international trading division based in Shenzhen, with a factory in Huaibei, Anhui. Our mission: “Delivering Energy, Enabling the Future”.

What We Offer

Customizable 18650 Lithium Battery Packs – For energy storage, mobility, and backup systems
Residential Energy Storage Systems (ESS) – Li-ion based ESS for homes & microgrids
OEM / ODM Services – Fast prototyping and private labeling support
Battery Retrofit Solutions – Upgrades from lead-acid to lithium safely and efficiently