GEB 40V Replacement Lithium-ion Battery for Greenworks G-MAX Series
Wholesale high-performance GEB 40V Replacement Lithium-ion Battery for Greenworks G-MAX Series. Built with 40V (36V nominal, 10S2P High-Power Outdoor Power Equipment Matrix) delivering verified 4.0Ah capacity, Grade-A high-drain cells, and precision multi-tier BMS. Fully compatible with OEM chargers and cordless platforms. Certified CE, RoHS, UN38.3.
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Direct Engineering Answer: GEB 40V Replacement Lithium-ion Battery for Greenworks G-MAX Series
This 40V 4.0Ah replacement lithium-ion battery is built on a 10S2P High-Power Outdoor Power Equipment Matrix delivering 180Wh of verifiable nominal energy for your cordless equipment fleet. Engineered with 20 Grade-A 18650 high-discharge cells (2500mAh – 3000mAh) arranged with vibration-damping silicone isolators and an industrial BMS with precision analog thermal and over-current protection, it ensures exact physical engagement, drop-in charging compatibility with OEM chargers (Greenworks 29482, 29862, CAF806 rapid G-MAX charging docks), and sustained 35A Continuous / 65A Heavy-Duty Pulse (≤5s). Before purchasing for fleet renewal, verify your tool interface footprint (165 × 92 × 82 mm (±1.5 mm)), operating voltage (40V), and maximum continuous discharge requirements.
Key Product Facts
| Nominal Voltage & S-Configuration | 40V (36V Nominal, 10S2P High-Power Outdoor Power Equipment Matrix) |
|---|---|
| Available Rated Capacities | 4.0Ah (True Tested Capacity @ 0.2C, 25°C) |
| Total Energy Output (Wh) | Approx. 180 Wh |
| Cell Specifications & Chemistry | 20 Grade-A 18650 high-discharge cells (2500mAh – 3000mAh) arranged with vibration-damping silicone isolators |
| Continuous & Peak Current | 35A Continuous / 65A Heavy-Duty Pulse (≤5s) |
| Physical Dimensions & Net Weight | 165 × 92 × 82 mm (±1.5 mm) | 1.25 kg (±0.03 kg) |
| Enclosure Material & Protection | Weather-resistant rugged ABS casing with sealed ventilation ports, reinforced guide rails, and 4-LED fuel gauge |
| Cycle Life Standard | ≥ 800 full charge/discharge cycles to 80% initial capacity |
| International Compliance | CE, RoHS, UN38.3, MSDS, 1.2m Drop Test Certified |
Full Parametric Electrical & Operating Specifications
| Electrical Parameter | Engineering Value & Tolerance | Test Condition & Standard |
|---|---|---|
| Operating Voltage Window | 30.0V – 42.0V | Full discharge to full charge cutoffs |
| Charge Voltage Cutoff | 42.00V ± 0.05V | Standard CC/CV profile (0.5C rate) |
| Discharge Voltage Cutoff | 30.00V ± 0.10V | Electronic load cutoff to prevent cell reversal |
| AC Internal Resistance (IR) | ≤ 26 mΩ | 1 kHz AC milliohm meter @ 25°C, 50% SoC |
| Recommended Charge Current | 2.0A – 4.0A (Fast Charge Supported) | Maintains pack thermal stability under standard docks |
| Operating Temperature (Discharge) | -20°C to +60°C | Maintains steady voltage delivery under sub-zero conditions |
| Operating Temperature (Charge) | 0°C to +45°C | Integrated thermal sensor prevents freezing-point charging |
| Recommended Storage Conditions | 15°C to 25°C, 45%–65% RH | Maintain 40%–50% SoC during extended warehousing |
Equipment Compatibility & Replacement Cross-Reference
Engineered for 100% plug-and-play mechanical fitment and terminal alignment across the following models:
- Direct Replacement for OEM Batteries: Greenworks G-MAX 40V battery models: 29472, 29462, 29252, 2901319, BAF724, BAF725
- Compatible Tool / Vacuum Models: Greenworks 40V G-MAX cordless outdoor fleet: cordless lawn mowers (MO40L410, MO40B410), leaf blowers (BA40L210), string trimmers (ST40B410), chainsaws (CS40L010), and hedge trimmers
- Compatible Charging Docks: Greenworks 29482, 29862, CAF806 rapid G-MAX charging docks
- Docking Integrity: Precision engineered mounting rails eliminate rattle and electrical arching under vibration.
First-Party Manufacturing & Quality Assurance Standards
1. Automated 3-Axis Cell Grading
Every individual cylindrical cell undergoes automated grading before pack assembly: voltage delta ≤ 3 mV, internal resistance delta ≤ 1.5 mΩ, and capacity matching within ±1% to prevent premature pack degradation.
2. Pure Nickel Busbars & Precision Welding
Built with 0.15mm–0.20mm industrial pure nickel strips tested to ≥ 5.0 kgf destructive peel strength, ensuring ultra-low contact resistance and eliminating thermal hotspots during sustained high-current draws.
3. Multi-Tier Hardware BMS
Equipped with high-precision IC monitoring over-charge, over-discharge, short-circuit protection (≤300μs reaction), and dual NTC thermal sensors with automatic cutoffs.
4. 100% Full-Cycle Factory Aging
Every finished battery pack is placed on automated computerized aging racks for a 100% full charge-discharge cycle to verify real Ah capacity and electrical curves prior to packaging.
Operating Boundary Conditions & Application Fit
Recommended Applications
Commercial lawn mowing, landscaping maintenance, heavy leaf clearing, and forestry chainsaw operations.
System Incompatibilities
Greenworks 24V or 60V/80V Pro platform tools (incompatible slide dimensions).
OEM / ODM Engineering & Customization Services
| Engineering Dimension | Configurable Options | Required Customer Input |
|---|---|---|
| Capacity & Cell Chemistry | Tier-1 domestic high-drain cells, Samsung 25R/30Q, LG HG2, or 21700 cells | Desired runtime and target duty cycle |
| Housing & Branding | Private-label pad printing, corporate logo laser engraving, bespoke color matching | Vector artwork (AI/PDF) & brand guidelines |
| BMS & Thermal Calibration | Custom over-current trips, low-temperature lockout thresholds | Peak motor stall current profile |
| Packaging & Logistics | Retail presentation boxes, bulk workshop cartons, drop-test verified UN cartons | Distribution channel requirements |
B2B Supply Terms & Export Compliance
Available for engineering evaluation; typical dispatch within 3–5 working days.
Standard packaging: 50 pcs. Custom private label OEM: 200 pcs per production run.
15–20 business days for container and palletized sea/air freight orders.
Fully certified Class 9 DG export with UN38.3 test summaries and compliant MSDS documentation.
Frequently Asked Technical Questions
Q1: Will this replacement battery cause error lights or fail to charge on OEM docking stations?
No. The terminal pinout and internal BMS sensing circuits are calibrated to mirror OEM electrical communication protocols, preventing false error cutoffs or flashing trouble indicators during dock charging.
Q2: What causes aftermarket vacuum and power tool batteries to cut out prematurely during heavy loads?
Low-quality aftermarket packs use generic low-drain cells that suffer from severe voltage sag under sudden current demands. Our packs utilize verified Grade-A high-drain cells capable of sustaining continuous rated discharge without tripping low-voltage cutoffs.
Q3: How are Class 9 Dangerous Goods shipments handled for international customs?
All export shipments are accompanied by official UN38.3 test summaries, MSDS, and 1.2m drop packaging test certificates. We coordinate directly with freight forwarders experienced in lithium battery air and sea shipping compliance.
Need Fleet Replacement Units or Wholesale OEM Quotations?
Submit your target tool fleet models, expected order volumes, or private-label customization specs. Our technical sales team provides full mechanical specs, sample units, and FOB/CIF pricing within 24 hours.
