ICR21700 battery information
September 22, 2026
HONG KONG TAC INDUSTRIAL CO., LTD.
General information on battery
| Battery Model | ICR21700 |
| Battery category | Rechargeable Lithium-ion battery(portable) |
| Rechargeable | Yes |
| Nominal voltage | 3.6 V |
| Capacity | 4900 mAh |
| Energy | 17.64 Wh |
| Weight | approx 75g |
| Battery chemical composition | Li-ion |
| Manufacturer | HONG KONG TAC INDUSTRIAL CO., LTD. |
| Manufacturer address | FLAT C, 9/F WINNING HOUSE NOS.72 AND 74 WING LOK STREET, SHEUNG WAN, HK. |
| Place of manufacture | Shenzhen,China |
| Date/Batch NO. | Marked on the battery |
| Web & Email address | www.tacbattery.com / sales@tacbattery.com |
| Hazardous substances other than lead, cadmium and mercury | None |
| Critical raw materials exceeding 0.1 % (w/w): | Dauxite/Alumina/Aluminium,Cobalt,Copper,Lithium,Manganese,Graphite,Nickel - battery grade,Phosphorus |
| Suitable extinguishing agents | New-type Fire-extinguishingAgent (Specially Besigned ForLithium-ion Dattery Fires) |