Howell 603040
Rechargeable Li-ion battery
Manufacturer
Howell Energy Co.,Ltd
B1010, Genzon Times Square, Longgang Center, Shenzhen, Guangdong, China
Date: Reference battery inkjet marking Batch: Reference battery inkjet marking
Battery Specifications
Product Rechargeable Li-ion battery
Chemistry Li-ion LCO
Model Howell 603040
Electrical Parameters
Capacity 3.7V,750mAh, 2.78Wh
Limited Charge Voltage 4.2V
Weight ≈15G
Origin & Production
Place Made In China/ No.11 Yinhu Industrial Zone, Jiaoyitang,Tangxia Town, Dongguan City, Guangdong Province
Date Reference battery inkjet marking
Batch Number Reference battery inkjet marking
Battery Category
Battery Category Portable battery
Mfg MM/YY
Production date 2026-10(Battery code: G10)
Year G(2026),H(2027), J(2028),K(2029),L(2030)
Month Jan(1),Feb(2),March(3)...Dec(12)
Batch No.
Batch No. G10(Same as production code)
Hazardous Substances
Pb
Plumbum
Free
Hg
Mercury
Free
Cd
Cadmium
Free
Critical Raw Materials (≥0.1%)
LiCoO2
Graphite
Al
Cu
1,1-Difluoroethylene polymer
Styrene-Butadiene polymer
Phosphate(1-), hexafluoro-, lithium
Carbon Black
Safety & Usage
Extinguisher Dry Powder
⚠️ Caution
Do not disassemble,strike,squeeze or bum. Do not use when it is bulging. Do not keep in high temperature environment. Do not use the battery after it is soaked in water.
Howell Energy Co.,Ltd · Compliant with EU Battery Regulation (EU) 2023/1542