Original price was: £344.90.£295.90Current price is: £295.90.
Ebike Battery 48V 22.5Ah – The 48V 22.5Ah eBike Battery is a high-capacity lithium-ion battery designed for riders who need extended range, stable performance, and reliable power delivery. Perfect for electric bike conversion kits and custom eBike builds, this rechargeable battery provides efficient energy output for commuting, touring, and demanding rides. Compatible with most 48V eBike motors and controllers, it features a durable construction and advanced BMS protection system for improved safety, long battery life, and dependable everyday performance.
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More capacity. More range. More performance. The Ebike Battery 48V 22.5Ah is a high-specification lithium-ion downtube battery delivering approximately 1080Wh of stored energy from Grade A 21700 4500mAh cells — engineered for 48V electric bike systems that demand dependable, long-range power across daily commuting, extended touring, and high-demand riding. With a 40A discharge current, a 800–1000+ cycle life, and comprehensive BMS protection covering overcharge, over-discharge, overcurrent, and short-circuit events, this electric bike battery 48V is the complete, properly specified energy source for 48V conversions and upgrades that refuse to compromise on range or reliability. The Ebike Battery 48V 22.5Ah is the step up from the 20Ah format — more capacity, same platform, longer rides.
The Ebike Battery 48V 22.5Ah stores approximately 1080Wh of usable energy — a meaningful capacity step above the 960Wh delivered by the 20Ah format. For a 48V motor system consuming 15–20Wh per kilometre under mixed riding conditions, 1080Wh translates to an estimated range of 54–72km per charge. For riders who regularly push the limits of a smaller pack — those who arrive home with low battery after a longer commute, or who want range in reserve for unplanned detours and extended routes — the 22.5Ah capacity delivers the buffer that makes every ride more confident. This ebike battery pack is built for riders who measure their range requirements in real kilometres, not laboratory figures, and who want a battery that covers those kilometres comfortably on a single charge.
Compared to the Ebike Battery 48V 20Ah at 960Wh, the 22.5Ah format adds 120Wh of additional capacity — a 12.5% range increase in the same voltage platform. For riders who are consistently running their 20Ah pack down to low reserve, the 22.5Ah is the natural upgrade. For riders considering a step up to 52V for additional performance alongside higher capacity, the Battery 52V 20Ah Hailong delivers 1040Wh at elevated voltage with sharper motor performance across the power range.
The Ebike Battery 48V 22.5Ah is built on Grade A 21700 4500mAh lithium cells — a premium cell specification that delivers higher energy density per cell compared to standard 18650 formats, enabling 1080Wh capacity within a compact downtube form factor. Grade A cell selection means every cell in this pack is manufactured to the tightest internal resistance tolerances — consistent performance across every cell, even ageing across the full pack, and reliable BMS management through every charge 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 over two years of daily riding at the conservative end — and significantly more under typical partial-charge usage patterns.
The 40A discharge current specification of this electric bike battery 48V is a critical differentiator from the compact-format 30A BMS packs in the lower-capacity range. At 48V nominal, 40A continuous discharge delivers up to 1920W of sustained power draw — well above the output of any standard 48V motor system up to 1500W, providing substantial headroom against BMS protection thresholds under sustained hard riding. This means the battery delivers clean, consistent power across the full output range of any compatible 48V motor without the current limiting that would occur if the BMS rating were closer to the motor’s peak draw. The 40A specification makes this Ebike Battery 48V 22.5Ah the correct ebike battery pack for high-performance builds — not just adequate, but properly over-specified for the motor range it serves.
The lithium battery charges to a full charge cut-off voltage of 54.6V — the standard termination voltage for 48V lithium-ion packs. With a charging time of approximately 7.5 hours from empty, this pack is optimally suited to overnight charging routines that deliver a full 1080Wh capacity every morning without rushing the charge rate or stressing the cells. The BMS terminates charging automatically at 54.6V regardless of charger output, eliminating overcharge risk with any compatible charger within the supported current range. The 7.5-hour charge time reflects the 22.5Ah capacity being charged at a standard 3A rate — a gentle charge current that contributes directly to achieving the 800–1000+ cycle life specification by minimising thermal stress on the cells during every charging session.
The integrated BMS in the Ebike Battery 48V 22.5Ah provides four layers of active cell protection across every charge and discharge cycle. Overcharge protection prevents any cell from exceeding its maximum safe charge voltage, terminating the charge cycle before damage occurs. Over-discharge protection enforces the low-voltage cut-off at the bottom of the discharge curve, preserving cell chemistry and maintaining long-term capacity retention. Overcurrent protection limits discharge current under abnormal load conditions, protecting both the cell pack and the motor controller from fault events. Short-circuit protection provides immediate system shutdown in the event of a connector failure or wiring fault, preventing cascading damage to the entire electrical system.
Active cell balancing 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 divergence between individual cells. This electric bike battery 48V requires no user maintenance of any kind — the BMS handles all cell management automatically and transparently.
The durable, heat-resistant casing on the Ebike Battery 48V 22.5Ah serves two practical functions in real-world riding conditions. Heat resistance slows thermal transfer to the internal cells during sustained high-load riding in warm conditions and under direct sun exposure — contributing to thermal stability that protects cell chemistry and supports long-term cycle life. The durable outer construction provides mechanical protection against vibration and incidental impact from daily riding on urban roads, gravel surfaces, and mixed terrain. This is a lithium battery built for the conditions it will actually face — not a laboratory-optimised cell pack in a fragile enclosure. Standard charge and discharge connectors ensure compatibility with standard chargers and motor controller wiring across the broadest range of 48V conversion setups.
The Ebike Battery 48V 22.5Ah is compatible with most 48V eBikes and DIY conversion setups. It is equally suited to mid drive conversions using BAFANG BBS02 750W or BBSHD 1000W systems, high-output hub motor builds running 48V motors from 500W to 1500W, and custom builds where long range and sustained power delivery are the primary design requirements. The 40A discharge rating sustains full output from any of these motor systems without BMS protection issues under normal riding conditions. For the complete range of 48V and 52V compatible conversion kits across all motor formats and power levels, visit the Conversion Kit category page. For the full battery range across all voltages and capacities, visit the Batteries category page.
| Spec | Detail |
|---|---|
| Voltage | 48V |
| Capacity | 22.5Ah |
| Battery Type | Lithium-ion (Li-ion) |
| Energy | ~1080Wh |
| Cell Type | Grade A 21700 4500mAh |
| Discharge Current | 40A |
| Charging Voltage | 54.6V |
| Cycle Life | 800–1000+ cycles |
| BMS Protection | Overcharge, over-discharge, overcurrent, short-circuit |
| Charging Time | ~7.5 hours |
| Connector | Standard charge/discharge |
| Case Material | Durable, heat-resistant |
| Compatibility | Most 48V eBikes and DIY conversion setups |
| Format | Downtube |
The Ebike Battery 48V 22.5Ah is the complete, high-capacity electric bike battery 48V for builders and riders who want maximum range from a premium Grade A 21700 cell lithium battery. 1080Wh of stored energy, 40A discharge current, 800–1000+ cycle longevity, four-layer BMS protection, and heat-resistant casing — the Ebike Battery 48V 22.5Ah is the ebike battery pack that keeps you riding further, longer, and with complete confidence in every charge.
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