Original price was: £375.90.£309.90Current price is: £309.90.
Battery 36V 35Ah designed for long-range rides, delivering stable power, efficient performance, and reliable energy for most 36V eBikes.
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When range is the priority, the Battery 36V 35Ah is the answer. This is the highest-capacity downtube battery in the 36V range — a premium lithium-ion pack built on high-quality Grade A LG5000mAh 21700 cells, delivering approximately 1260Wh of stored energy in a durable, heat-resistant downtube casing. Compatible with most 36V eBikes and DIY conversion setups running up to 500W, the Battery 36V 35Ah transforms the range equation for commuters, tourers, and cargo riders who need to cover serious distances on a single charge. This is not a compromise battery — it is a fully specified, properly engineered 36V battery pack for riders who refuse to cut their ride short.
The Battery 36V 35Ah stores approximately 1260Wh of energy — more than double the capacity of the 15Ah format and 67% more than the 20Ah pack. For a 36V motor system consuming an average of 15–20Wh per kilometre under mixed conditions, that translates to an estimated range of 63–84km per charge. For riders running lower assist levels on predominantly flat terrain, range extends further still. This is the ebike battery 36v 35ah format for daily commuters who cover long distances, touring riders who want genuine multi-stage range, and cargo build operators who need consistent power delivery across extended runs without the inconvenience of a mid-day charge stop.
The step from the 20Ah to the 35Ah is not a marginal upgrade — it is a category shift in what a 36V conversion system can do. The Battery 36V 20Ah delivers 756Wh for medium-range applications. The Battery 36V 35Ah delivers 1260Wh for riders who want the longest possible range from a single downtube pack on a 36V platform.
The cell specification inside this 36V lithium battery is what separates it from generic high-capacity packs. Built on high-quality Grade A LG5000mAh 21700 cells — the 21700 format is physically larger than the standard 18650, delivering higher energy density per cell and allowing a 35Ah pack capacity within a manageable physical footprint. LG is one of the most respected lithium-ion cell manufacturers globally, and Grade A selection means every cell in this pack is manufactured to the tightest internal resistance tolerances — consistent performance, even ageing, and reliable BMS management across every cycle.
The cycle life specification reflects this quality directly — 800–1000+ cycles before capacity degrades to 80% of original rated capacity. At one full charge per day, that represents more than two years of daily charging at the conservative end, and potentially three or more years at the upper end of that range. This is a 36V battery pack engineered for the long term, not a high-capacity unit that degrades rapidly under regular use.
The Battery 36V 35Ah delivers a continuous discharge current of 30A — sufficient to sustain full output from any 36V motor system rated up to 500W without BMS protection tripping or cell thermal stress under normal riding conditions. At 36V × 30A, the pack can sustain up to 1080W of continuous power draw — comfortably above the rated output of the 250W–500W motor range this 36V battery is designed to support. The result is clean, consistent power delivery across the motor’s full operating range with no voltage sag under normal load and no protective shutdown during sustained hill climbing or hard acceleration.
The Battery 36V 35Ah charges to a full charge cut-off voltage of 42V — the standard charge termination voltage for 36V lithium-ion packs — with a charging time of approximately 7 hours from empty. The BMS terminates charging automatically at the 42V cut-off regardless of charger output, protecting every cell from overcharge stress. For riders with overnight charging routines, the 7-hour charge time fits naturally into an overnight cycle that leaves the pack ready at full capacity every morning. The XT60 connector is a robust, high-current rated format that handles the charge and discharge current demands of this pack without contact resistance issues over repeated cycling.
The integrated Battery Management System in this ebike battery 36v 35ah provides four layers of active protection across every charge and discharge cycle. Overcharge protection prevents any cell from exceeding its maximum safe voltage during charging. Over-discharge protection enforces the low-voltage cut-off to prevent cell damage from deep discharge. Overcurrent protection limits discharge current under abnormal load conditions — protecting both the cells and the motor system from fault events. Short-circuit protection provides immediate shutdown in the event of a wiring fault or connector failure. Together these four protection layers operate transparently and continuously, requiring no user interaction while ensuring every cell in the pack is protected against every common failure mode.
The active cell balancing function during charging ensures every cell in the series string reaches the same state of charge at the end of each cycle — the key mechanism that maintains capacity consistency over 800–1000+ cycles and prevents early-ageing divergence between individual cells.
The outer casing of the Battery 36V 35Ah is manufactured from durable, heat-resistant material — a specification that matters for a battery that will be used in outdoor conditions across variable temperatures and weather. Heat-resistant casing slows thermal transfer to the cells under direct sun exposure in warm conditions, contributes to dimensional stability that maintains the mounting bracket fit over the long term, and provides mechanical protection against the incidental impacts and vibration that are part of normal riding use. This is not a cosmetic specification — it is a functional one that contributes directly to the pack’s long-term reliability in the field.
The Battery 36V 35Ah is compatible with most 36V eBikes and DIY conversion setups rated up to 500W. Primary applications include the BAFANG 250W mid drive BBS01B — the definitive 36V mid drive motor that benefits directly from the extended range this pack provides — as well as 36V hub motor conversion systems drawing within the 30A continuous discharge specification. The 36V lithium battery format makes it the natural high-capacity choice for any existing 36V conversion that currently uses a smaller pack and wants to upgrade range without changing the motor or voltage platform. For the full range of compatible conversion kits across all voltages and formats, visit the Conversion Kit category page. For the complete battery range across all voltages and capacities, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 36V |
| Capacity | 35Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1260Wh |
| Cell Type | Grade A LG5000mAh 21700 |
| Discharge Current | 30A continuous |
| Charging Voltage | 42V |
| Cycle Life | 800–1000+ cycles |
| BMS Protection | Overcharge, over-discharge, overcurrent, short-circuit |
| Charging Time | ~7 hours |
| Connector | XT60 |
| Case Material | Durable, heat-resistant |
| Compatible Motor Power | Up to 500W (36V systems) |
| Format | Downtube |
The Battery 36V 35Ah is the maximum-range 36V battery pack for serious 36V e-bike builds — 1260Wh of stored energy, Grade A LG5000mAh 21700 cells, 800–1000+ cycle longevity, comprehensive BMS protection, and XT60 connectivity in a durable downtube format. This is the ebike battery 36v 35ah for riders who want to go further, stay out longer, and charge less often — a complete, properly engineered 36V lithium battery that redefines what a 36V conversion system can do in terms of real-world range.
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