21V 2500mAh Replacement Lithium Battery & Charger Kit

21V 2500mAh Replacement Lithium Battery & Charger Kit

Important Purchase Note

Two plug options available: EU Plug / US Plug, sold as battery + full charger set.

Product Overview

21V 2500mAh high capacity spare lithium battery pack matched with dedicated charger, designed for most 21V cordless handheld power tools. Stable discharge performance, low internal resistance, long cycle service life up to 500 times, wide working temperature range, safe charging protection circuit built inside. Complete replacement kit for DIY repair, maintenance and workshop backup power supply.

Core Key Advantages

• 2500mAh large capacity, long continuous working time
• Low internal resistance 10–15mΩ for stable discharge
• Overcharge & overheat built-in safety protection circuit
• ≥500 charging cycle service life, durable daily use
• Wide working temperature range -10℃ ~ +65℃
• EU / US two standard plugs optional for global use
• Complete set: battery + matching charger, one-stop replacement

Full Technical Specifications

Model SKU	MZ006836
Rated Voltage	21V Lithium Battery
Capacity	2500mAh
Internal Resistance	10–15mΩ
Min Discharge Voltage	14.4V
Rated Discharge Current	12.5A
Operating Temp	≤65℃
Charging Temp Range	-10℃ ~ +65℃
Cycle Life	≥500 Times
Optional Plug	EU / US

Wide Application Scenarios

• 21V cordless reciprocating saw spare power supply
• Handheld drill / impact driver replacement battery
• Garden pruning cordless tools backup pack
• Hardware repair workshop bulk spare batteries
• Home DIY power tool replacement kit

Safe Usage & Maintenance Tips

1. Use matching dedicated charger only, avoid mismatched adapters.
2. Stop charging if battery overheats to prevent damage.
3. Store in dry cool place if not used for long time.
4. Avoid short circuit, puncture or extrusion of battery pack.
5. Charge to 50% power for long-term storage.

Package Contents

• 1 × 21V 2500mAh Lithium Replacement Battery
• 1 × Matching Battery Charger (EU/US plug optional)
• Multilingual Specification Manual

Frequently Asked Questions

Q1 What plug types are optional?

A1 EU plug and US plug two choices for different countries.

Q2 What’s the battery cycle life?

A1 Up to more than 500 charge-discharge cycles for long service life.

Q3 What tools can this battery fit?

A1 Most standard 21V cordless handheld power tools.

Q4 Does this come with a matching charger?

A1 Yes, the set includes dedicated battery charger.