Powering Indonesia's Green Future — Integrated energy storage solutions from a fully localized value chain
PT JOYFULL Technology Indonesia — Leading the energy storage revolution in Southeast Asia
PT JOYFULL Technology Indonesia is a leading energy storage solutions provider in Indonesia, covering three core business segments: portable energy storage, residential energy storage, and commercial & industrial (C&I) energy storage.
With 100% ownership of 5 subsidiaries, we have built a complete industry chain spanning R&D, manufacturing, EPC installation, sales distribution, and after-sales service — delivering end-to-end value to customers across the Indonesian archipelago.
Headquartered in Cikande Industrial Estate, Banten, with operations in Shenzhen and Dongguan (China), BATREKU leverages a dual-base strategy combining Chinese supply chain excellence with deep Indonesian localization.
A vertically integrated ecosystem spanning China and Indonesia
Group holding company overseeing strategy, sales & distribution across portable, residential, and C&I energy storage segments in Indonesia.
Licensed EPC contractor with dual Indonesian qualifications. 100+ local installation teams handling design, installation, and commissioning nationwide.
Manufacturing hub & after-sales service center. Phase 1: Cikande | Phase 2: Serang (20,000㎡, Q4 2027) — building Indonesia's largest local energy storage factory.
Shenzhen supply chain management company + Dongguan energy storage manufacturing factory. Leveraging China's world-class battery and electronics ecosystem.
Multi-brand strategy covering diverse market segments
Strategic cooperation partners:
Key moments in our journey to becoming Indonesia's leading energy storage brand
PT JOYFULL Technology Indonesia established in Jakarta, beginning operations in portable energy storage and battery distribution.
PT BATREKU TEKNIK ELEKTRO secured dual EPC qualifications, enabling full design, installation, and commissioning capabilities.
First manufacturing base operational in Cikande Industrial Estate. Expanded into residential ESS and C&I energy storage markets.
Launched nationwide dealer network covering 6+ major islands. 100+ local installation teams deployed across Indonesia.
20,000㎡ manufacturing facility in Serang, Banten — set to become Indonesia's largest localized energy storage production base.
Four core advantages that set BATREKU apart in Indonesia's energy storage market
Indonesia-based factory with 20,000㎡ production capacity (Phase 2) plus dual EPC qualifications — a rare combination ensuring both product quality and installation excellence.
Shenzhen supply chain management + Dongguan manufacturing + Indonesian local production — a resilient dual-base strategy ensuring competitive pricing and supply security.
The largest energy storage installation workforce in Indonesia, covering all major islands. Professional training, fast response, and comprehensive after-sales support.
From residential rooftop solar to industrial microgrids — portable power, home ESS, C&I systems, golf cart batteries, mining truck batteries, and fishing boat solutions.
Whether you're a dealer, developer, or end-user — BATREKU has the right energy storage solution for your needs. Let's power Indonesia's green future together.