
- Stock: In Stock
- Model: 18500
Keeppower P18500R – 18500 Protected Li-ion Battery 3.7V 1500mAh (Max 15A)
The Keeppower P18500R is a high-discharge 18500 Li-ion rechargeable battery with a built-in protection circuit (PCM). Designed for applications that require stable power delivery and a strong 15A continuous discharge capability.
Why choose Keeppower P18500R?
- High-drain performance – up to 15A continuous discharge for demanding devices
- Built-in safety protection – PCM helps protect against overcharge, over-discharge, overcurrent and short circuit
- Reliable spec set – 3.6/3.7V nominal, 1500mAh typical capacity
- Long service life – designed for 500+ charge/discharge cycles
- Quality components – PCM IC made in Japan
How it works
This is a protected Li-ion cell with an integrated PCM that monitors voltage and current during use and charging. Charge the battery with a compatible Li-ion charger designed for the 18500 format.
- Max charge voltage: 4.2V
- Cut-off voltage: 2.3V
- Max continuous charging current: 1500mA
Protection and safe operation
- Overcharge protection
- Over-discharge protection
- Overcurrent protection
- Short-circuit protection
Note: Use only in compatible devices and with an appropriate Li-ion charger. Do not short circuit, crush, disassemble, or expose the battery to heat or water.
Setup tips
- Confirm your device supports the 18500 format (protected cells are longer than unprotected)
- Use a charger that supports Li-ion 4.2V charging
- Store in a cool, dry place and avoid extreme temperatures
Key points at a glance
- Type: 18500 protected Li-ion rechargeable battery
- Model: Keeppower P18500R
- Nominal voltage: 3.6/3.7V
- Capacity: 1500mAh typical (min. 1400mAh)
- Max continuous discharge: 15A
- Max size: Ø18.7 × 54.5 mm (±0.2)
- Cycle life: 500+ cycles
- Compliance: UN38.3, CE, ROHS, MSDS, Regulation (EU) 2023/1542
Who is it for?
- Professional users who need a protected high-drain 18500 cell
- Device builders and service teams requiring consistent performance and safety features
- Applications where 15A continuous discharge is required within the 18500 format
Order Keeppower P18500R
Choose a protected 18500 Li-ion battery engineered for high output and safer operation, with up to 15A continuous discharge capability and a built-in protection circuit.
Package contents: 1 × Keeppower P18500R 18500 1500mAh protected Li-ion rechargeable battery.










