High Capacity 18V 10Ah 5S2P Rechargeable Lithium Battery Pack with 21700 Battery Cell for Bosch Electric Power Tools
Industrial-grade OEM/ODM replacement lithium-ion battery pack designed for Bosch power tools. Features high-drain Grade-A cells, verified 18V architecture, 10Ah options, and multi-tier BMS safety protection for commercial equipment fleets.
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Direct Answer: The High Capacity 18V 10Ah 5S2P Rechargeable Lithium Battery Pack with 21700 Battery Cell for Bosch Electric Power Tools is an industrial-grade OEM/ODM replacement lithium-ion battery pack engineered by GeB Power specifically for commercial equipment fleets and battery distributors. Built on a verified 18V system architecture (5S2P 21700 High-Drain High-Density Matrix) and delivering rated capacity of 10Ah (180Wh verified output), this pack delivers dependable continuous discharge (45A – 55A Continuous (85A Peak)) via genuine Tier-1 Grade-A 21700 (4000mAh-5000mAh) high-power cylindrical cells with ultra-low internal resistance (<12mΩ). It incorporates an advanced hardware BMS with CoolPack-compatible heat dissipation, providing 100% mechanical latching and electrical compatibility with original Bosch BAT609, BAT618, BAT620, ProCORE18V platform tool interfaces.
1. Verified Technical Specification Matrix
| Engineering Specification | Verified Measurement & Factory Standard |
|---|---|
| Battery System Voltage | 18V MAX (18.0V Nominal Operating Voltage) |
| Voltage Working Window | 15V (Discharge Cut-off) to 21V ± 0.05V (Full Charge Cut-off) |
| Rated Capacity & Total Energy | 10Ah | 180Wh Verified Output |
| Cell Chemistry & Architecture | Grade-A 21700 (4000mAh-5000mAh) high-power cylindrical cells with ultra-low internal resistance (<12mΩ) (5S2P 21700 High-Drain High-Density Matrix) |
| Continuous Discharge Rating | 45A – 55A Continuous (85A Peak) |
| Internal AC Resistance (1kHz) | ≤ 25 mΩ (Individual cell variance ≤ 1.5 mΩ) |
| Housing Material & Construction | High-impact Flame-retardant ABS+PC (UL 94V-0 Rated), dual slide rails, thermal ventilation channels |
| BMS Electronic Safeguards | Independent cell overcharge (>4.25V), over-discharge (<2.80V), short-circuit recovery, and dual NTC thermal sensors |
| Cycle Life Durability | ≥ 800 – 1000 full cycles maintaining ≥ 80% original capacity retention |
| Operating Ambient Temperature | Charge: 0°C to 45°C | Discharge: -20°C to 60°C | Storage: -10°C to 35°C |
| Compliance & Export Certification | CE, RoHS, UN38.3, MSDS, 1.2m Drop Test Passed, 30% SOC Maritime DG Air/Sea Standard |
2. Compatibility & Equipment Fitment Check
To prevent field incompatibility, each battery casing is precision molded to exact tolerance parameters ensuring tight slide lock without wobble or pin arcing:
- Direct Battery Model Replacement: Replaces Bosch BAT609, BAT618, BAT620, ProCORE18V platform and related commercial battery codes.
- Supported Equipment Fleets: High-draw Bosch BITURBO Brushless tools including GBH 18V-45 C rotary hammers, GKS 18V-68 GC circular saws, and GDS 18V-1000 impact wrenches.
- Approved Charging Stations: High-current fan-cooled stations: Bosch GAL 1880 CV and GAL 18V-160 C.
- Terminal Contact Integrity: Precision-stamped beryllium copper terminal blades with low-resistance nickel coating to prevent contact burning under 50A+ motor stall currents.
3. First-Party Manufacturing & Quality Control Evidence
Every commercial battery pack leaving GeB Power’s assembly facility is certified through a strict 5-tier testing protocol:
- Three-Axis Cell Sorting: Automated pre-assembly screening selecting cells with delta internal resistance ≤ 1.5mΩ and delta voltage ≤ 3mV.
- High-Conductivity Ultrasonic Spot Welding: 0.2mm pure nickel interconnect plates capable of withstanding severe jobsite drops and motor vibration.
- Hardware BMS Validation: 100% electronic load testing measuring short-circuit cutoff latency (≤ 250 microseconds) and overcurrent thresholds.
- Automated Full-Cycle Aging: Every production batch undergoes automated computerized aging racks with full charge/discharge logging to guarantee true rated Ah capacity.
4. Operating Boundaries & Engineering Fit
To help fleet engineers and tool buyers select the optimal pack, consider the following application criteria:
- Highly Recommended Applications: Heavy construction, steel fabrication, and non-stop jobsite operations demanding continuous high-wattage motor output.
- Application Boundaries: Lightweight overhead screwdriving where a 350g compact pack is preferred over a heavy high-Ah pack.
5. OEM/ODM Customization & B2B Procurement Support
GeB Power supports power tool aftermarket brands, commercial contractors, and hardware distributor networks with factory-direct customization:
- Branding & Housing: Private label silk-screening, custom color molding, laser barcode engraving, and retail packaging.
- Cell Brand Flexibility: Option to configure packs with Samsung, LG, Murata, or Tier-1 Grade-A Chinese high-drain cells to meet target price/performance points.
- Logistics Documentation: Full UN38.3 test summaries, dangerous goods packaging certificates, and MSDS documentation supplied for seamless worldwide shipping.
- Evaluation Samples: Prototyping and testing samples available within 5–7 business days.
6. Frequently Asked Questions (B2B Buyer FAQ)
Q1: Will this battery safely charge on my original factory Bosch chargers?
A: Yes. The onboard BMS circuitry and terminal pinout fully communicate with original factory chargers (including multi-voltage stations), following standard CC/CV temperature-regulated charging curves.
Q2: How does cycle life compare to OEM original packs?
A: By using Tier-1 Grade-A high-drain cells and precision delta-matching, our battery packs deliver over 800-1000 complete charge/discharge cycles at 80% depth of discharge, meeting or exceeding standard aftermarket durability benchmarks.
Q3: Can our company request custom laser branding and private packaging?
A: Absolutely. We provide comprehensive OEM private label services, including custom housing colors, company logo branding, serial number barcoding, and custom bulk cartons for commercial tool distributors.
Request a sample or wholesale quote: Contact our engineering team at info@gebattery.co or submit your specifications directly through our Request a Quote portal.
