Rechargeable lithium-ion battery pack HP Sanyo 18650 2.8Ah (model Cl Sanyo18650 2.8Ah)

HP Sanyo 18650 2.8Ah is a single-cell rechargeable lithium-ion battery in a cylindrical 18 × 65 mm format that delivers a nominal capacity of 2.8 Ah. The cell is designed for devices and battery packs that accept 18650-format batteries, offering high energy density and a stable nominal voltage suitable for a range of portable electronics, flashlights and compatible power tool designs. Use of an appropriate charger and adherence to recommended handling and storage practices support safe operation and longer service life.

Advantages

The HP Sanyo 18650 2.8Ah provides a balance of energy density and compact size, enabling extended runtime in devices where space is limited. Its cylindrical 18650 form factor is widely compatible with many battery holders and packs, facilitating replacement or integration into multi-cell configurations. The cell’s chemistry supports consistent discharge characteristics across typical load ranges, and when charged with a compatible lithium-ion charger it maintains reliable performance over repeated cycles.

Suitable for

• Portable electronics that accept 18650 cells
• Flashlights and tactical lighting
• Battery packs assembled from individual 18650 cells
• Some cordless power tools and DIY electronics projects

Key specifications

• Cell type: Rechargeable lithium-ion single cell
• Nominal capacity: 2.8 Ah (2800 mAh)
• Form factor: 18650 cylindrical, approximate dimensions 18 × 65 mm
• Nominal voltage: compatible with standard lithium-ion nominal cell voltage
• Energy density: high for its size, suitable for compact devices

How to use

Install the HP Sanyo 18650 2.8Ah cell only in devices and battery packs designed for 18650 lithium-ion cells and observe correct polarity when inserting. Charge the cell with a dedicated lithium-ion charger that matches the cell chemistry and recommended charging profile. Avoid charging with incompatible chargers, and do not attempt to charge the cell in devices or circuits that do not provide proper charge termination. For multi-cell packs, ensure correct balancing and use of protection circuitry where required.

Recommendations

Store and operate the cell within manufacturer-recommended temperature ranges, avoid deep discharges where possible, and use a compatible charger. Inspect cells for physical damage before use and replace any cell that shows deformation, leakage, or abnormal heating. Follow local regulations for transport, storage and disposal of lithium-ion batteries.