Rongshi Tongda Rongshi TongdaSHENZHEN RONGDAI TECHNOLOGY
Lithium Battery Solutions Provider

Precision manufacturing,
for customers worldwide

Since 2015, Rongshitongda has focused on the R&D, manufacturing and sales of lithium batteries — a recognized leader in dashcam power, an emerging force in security surveillance, with a strategic focus on AI robotics.

Rongshitongda production facility
4,500㎡ facility · 10 automated production lines
2015
Founded
4,500㎡
Facility area
10lines
Automated production lines
50K/day
Cylindrical cell output
About Us

Integrity · Expertise · Quality · Innovation · Service

Quality controlled strictly to ISO 9001, with ISO 13485 medical-device certification achieved in parallel. Continuous design iteration and resource integration keep us competitive.

Full in-house capability
from R&D to delivery

Since day one we have focused exclusively on lithium battery products, guided by the belief that service is the foundation, quality is survival, and technology innovation is growth.

  • In-house R&D — proprietary tooling with domestic and international design patents
  • Smart manufacturing — automated 18650 lines, MES monitoring, climate control, QR-code traceability
  • Quality control — dual ISO 9001 / ISO 13485 systems, full safety-test coverage
  • Flexible delivery — stock on standard models, small-batch custom orders accepted

Read our full company profile →

MES production monitoring
Product Lines

Lithium batteries for every application

From consumer electronics to industrial components, smart homes to AI robotics — consistent quality with flexible customization.

Dashcam batteries

Dashcam Batteries

Rated to 85℃ with high-cobalt cells for stable capacity and endurance; fully customizable.

85℃ ratedHigh-cobalt cell
View details →
Security camera batteries

Security Camera Batteries

Reliable down to -40℃ with >90% port efficiency; multiple IC options and fuel-gauge display.

-40℃ rated>90% efficiency
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Doorbell and lock batteries

Doorbell & Lock Batteries

Proprietary tooling with design patents; every model in volume production.

Own toolingPatented design
View details →
Low-power batteries

Low-Power Batteries

18650 configurations from 2S to 20S in series-parallel for long standby applications.

2S–20SLong standby
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AI toy and action camera batteries

AI Toy / Action Camera

High-rate, high-safety solutions for emerging consumer electronics.

High rateHigh safety
See applications →
Manufacturing capability

Flexible Manufacturing

Stock on standard models, small-batch custom orders, short lead times, rapid response.

Small batchesFast sampling
Our capability →
4,500㎡
Production facility
10lines
Automated production lines
60K/day
Pouch cell output
50K/day
Cylindrical cell output
Quality & Certification

Every battery built to systematic standards

All new products must pass safety testing before mass production, with full traceability from raw material to finished goods. These are the certificates we actually hold — click any to view the original.

UN38.3 Test Report
UN38.3 Test ReportUN38.3
RoHS Certificate of Conformity
RoHS Certificate of ConformityRoHS
Medical Device System Cert.
Medical Device System Cert.ISO 13485
UL Certificate
UL CertificateUL
Product Test Report
Product Test ReportTEST REPORT
ISO 13485 QMS Certificate
ISO 13485 QMS CertificateISO 13485
KTR EU Battery Directive
KTR EU Battery DirectiveKTR / EU
CE / GTO Compliance
CE / GTO ComplianceCE · GTO
IEC 62133 Safety Standard
IEC 62133 Safety StandardIEC 62133
Product Safety Test Report
Product Safety Test ReportTEST REPORT
R217 Design Patent
R217 Design PatentPATENT R217
R186 Design Patent
R186 Design PatentPATENT R186
Partners

Deep partnership with leading cell suppliers

Long-term cooperation with Sunwoda, BAK, LG, EVE, Tianpeng and Lishen ensures cell quality at the source.

Sunwoda · BAK · LG

Stable supply of XWD-1860P2600, BK-18650P3350, LG-21700P500 and more.

EVE · Tianpeng · Lishen

EVE-18650-2500, TP-18650-2600, LS-18650-3250 and other specifications.

IC & Protection

Flexible IC selection with optional fuel-gauge display to meet differentiated needs.

Looking for a reliable battery partner?

Share your requirements and delivery plan — a dedicated Rongshitongda engineer will assist you. Samples in 7 working days.