Capacity
4Ah
Wholesale Product Summary
TM12-RT040 12V Starting Battery
Fast review for importers, distributors, and OEM/ODM sourcing teams.
Model TM12-RT040
Capacity 4Ah
CCA 120A CCA
Warranty 1 Year
OEM / ODM Available
OEM/ODM Available Bulk Wholesale Export Ready
Overview
Product Overview
TM12-RT040 is a compact LiFePO4 12V starting battery from Tuomo Tech's Restarter Series, designed for motorcycle and small vehicle battery replacement programs.
The model provides 4Ah capacity, 48Wh based on 12V calculation, 120A CCA, and intelligent protection features for private-label automotive accessory buyers.
Specs
Key Specifications
Core parameters for quick sourcing review. Contact us for the complete datasheet, certification files, and OEM quotation.
Size
150 x 87 x 93mm
Model
TM12-RT040
Weight
0.9kg bare battery
Voltage
12.8V
Watt
48Wh
CCA
120A CCA
Polarity
+ -
Extended size options
150 x 87 x 105mm; 150 x 87 x 120mm; 150 x 87 x 130mm
Protections
Power display, smart backup power, shake restart, power switch, charge/discharge protection, overload protection, high-temperature protection
Product series
Restarter Series / RT Series
Package
M5 screws, user manual, bottom spacer
Replacement size
YTX7A-BS, YTX9-BS, YTZ10S-BS, YT12A-B2, YTX12-BS, YTZ12S-BS, YTZ14S-BS
Why Choose This Model
LiFePO4 Starting Battery Platform
Built for buyers who need a lightweight lithium replacement option for common lead-acid starting battery sizes.
Smart Restart Functions
Supports power display, smart backup power, shake restart, power switching, and multiple protection functions.
OEM Program Ready
Suitable for custom logo, packaging, manuals, accessory configuration, and bulk export supply.
Safety
Certifications & Compliance
All certificates are issued by accredited third-party testing labs. Click any certificate to view full details.
Global Market Ready
This product can be supported with export-ready certification documents for international B2B orders.
Safety
CE, FCC, and RoHS documentation can be provided according to product model and destination market requirements.
Transport
UN38.3, MSDS, and safe shipping documents are available for lithium battery air and sea transport review.
Reports
Identification and classification reports for transport of goods can be prepared for qualified bulk orders.
Official Certificates
OEM/ODM
Customization Options
Color Options
Match product casing colors to your market, brand palette, or retail channel requirements.
Production
Inside & Factory
Quality Assurance: Every unit undergoes rigorous testing in our Shenzhen facility before shipment.
Production ✓
Assembly Line
Skilled workers assemble every unit on our dedicated production line with strict process controls.
Aging Test ✓
100% Aging Test
Every unit is placed into our automated aging cabinet for full charge-discharge cycle verification.
QC ✓
Product Tests
Each jump starter is connected to our ASUNDAR test system and inspected for electrical performance before packing.
Engine Test ✓
Engine Start Test
Real engine start tests are conducted on-site to validate cranking power under actual load conditions.
Temp Test ✓
High & Low Temp Test
Units are tested in our TEMPSNUMI climate chamber across extreme temperature ranges to ensure reliability.
Drop Test ✓
1.2m Drop Test
Third-party certified 1.2m drop test (CCJC / CNAS) confirms structural durability for transport and daily use.
FAQ'S AND SUPPORT
We are here to help you.
Responses may take up to 48 hours as we are experiencing an increase in customer support volume.
How is watt-hour calculated for this product listing?
The website uses the 12V x Ah value from the source table. For TM12-RT040, that is 12V x 4Ah = 48Wh.
Can the label and packaging be customized?
Yes. Tuomo Tech supports OEM logo, packaging, manuals, and accessory configuration for qualified bulk orders.
Do you provide full replacement compatibility details?
Yes. Contact our team for the latest datasheet and replacement-size confirmation before ordering.
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