Stop wasting money on disposable batteries and switch to the Strike™ USB-C Rechargeable 14500 size Battery 2 Pack. These high-performance lithium-ion batteries are designed for convenience and long-term savings. Recharge them up to 1200 times with any standard USB-C charging cable or the included dual-head USB-C charger. With fast charging, reliable power output, and built-in safety features, these batteries are perfect for everyday devices.
Reliable Power with Strike Rechargeable 14500 Batteries
Designed for consistent performance, these 14500 size rechargeable batteries deliver 3.7V of power and a 650mAh capacity. Whether you’re using them in flashlights, toys, or other compatible devices, you can count on a stable and efficient energy source. Plus, with their lithium-ion chemistry, they offer a longer lifespan compared to traditional NiMH or alkaline batteries.
USB-C Charging for Maximum Convenience
No need for a separate battery charger—each battery features a built-in USB-C charging port for hassle-free recharging. Simply plug in with the included 2-head USB-C to USB-A charging cable, and your batteries will be fully charged in just one hour. An LED indicator lets you know the charging status—red while charging, green when full—so you’re always aware of your battery levels.
Advanced Safety and Longevity
With a built-in safety circuit, these batteries protect against overcharging, excessive current, and unsafe temperatures. They automatically shut down if exposed to voltage above 9V to prevent damage. Designed for durability, they support up to 1200 charge cycles, reducing waste and saving you money over time.
What’s Included
- 2 x 14500 size USB-C rechargeable lithium-ion batteries
- 1 x 2-head USB-C to USB-A charging cable
- Recyclable packaging
TECHNICAL SPECIFICATIONS
| Model | A1921 |
|---|---|
| Battery Type | Lithium-Ion |
| Voltage | 3.7V |
| Rated Capacity / Energy | 650mAh / 2400mWh |
| Dimensions | Standard 14500 size (49.5mm long x 13.7mm diameter) |
| Weight | Each battery 18.2±0.5g |
| Voltage | max 5V |
| Current | max 500mA |
| Charge Method | via standard USB-C cable directly plugged into port on the battery body |
| Charge Time | 1 hour. Old chargers with a low current may charge slower. |
| Charge Indicators | LED red while charging, LED green when full |
| Charge Environment Temperature | 0-35°C |
| Charge Cycles | Up to 1200 charge cycles |
| Charge Protection | Safety circuit protects battery from over-charging, excess voltage, excess current, and unsuitable charging temperature. |
Discharging
| Voltage | Cut-off at 2.8V |
| Current | max 1800mA. |
| Discharge Environment Temperature | 0-45°C |
| Discharge Protection | Safety circuit protects battery from over-discharging, excess voltage, excess current, and unsuitable discharging temperature. |
| Battery Management Safety Circuit | On-board safety circuit protects the battery by temporarily shutting down the battery in the event of: a short-circuit, over-heating, excessive current, excessive environment temperatures, the maximum charge being reached, the maximum safe discharge being reached, the charging voltage exceeds 6V. The battery will operate normally again after the environment returns to a safe range. If the battery is exposed to voltage above 9V, the safety circuit shuts down the battery permanently to prevent the battery from becoming unsafe. |
| Certifications and Standards | Complies with: UN38.3, PAHs, IEC62321, EN55032 & EN 55035 |
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