24V 20Ah LiFePO4 Battery (25.6V)
Product Overview
A 512Wh LiFePO4 battery (24V class, 25.6V nominal, 20Ah, 8S) for compact 24V equipment: mobility scooters and wheelchairs, floor-cleaning machines, light AGVs and carts, medical carts, telecom and industrial backup, and small 24V solar kits.
It replaces two 12V batteries in series with one managed pack and sits below our 24V 50Ah in the 24V range.
WhatsApp: +1 404 784 1946 (backup: +86 159 8945 0735)
Specifications
Status key: [Industry reference] = the base definition of this model class or an arithmetic value, not an LJY test result. [Optional configuration] = available by OEM/ODM project. [Confirmed per project] = fixed only in the datasheet issued with your quotation (cell option, BMS rating, dimensions, weight, terminals, documents). We do not publish unverified values — request the datasheet.
| Group | Parameter | Value | Status |
|---|---|---|---|
| Cell & chemistry | Battery chemistry | LiFePO4 (lithium iron phosphate) | [Industry reference] |
| Electrical | Nominal voltage | 24V class — 25.6V (8S) | [Industry reference] |
| Electrical | Rated capacity | 20Ah | [Industry reference] |
| Electrical | Energy | 512Wh | [Industry reference] |
| Electrical | Charge voltage (bulk/absorption) | 28.4–29.2V (no float required) | [Industry reference] |
| Electrical | Discharge cut-off voltage | Confirmed per project (datasheet issued with quotation) | [Confirmed per project] |
| Electrical | Continuous discharge current | Confirmed per project (datasheet issued with quotation) | [Confirmed per project] |
| Cell & chemistry | Cell type | Confirmed per project (datasheet issued with quotation) | [Confirmed per project] |
| Mechanical | Dimensions (L×W×H) | Confirmed per project (datasheet issued with quotation) | [Confirmed per project] |
| Mechanical | Weight | Confirmed per project (datasheet issued with quotation) | [Confirmed per project] |
| Mechanical | Terminals | Confirmed per project (datasheet issued with quotation) | [Confirmed per project] |
| BMS & protection | Built-in BMS | Over-charge / over-discharge / over-current / short-circuit / temperature protection, balancing | [Industry reference] |
| Optional configuration | Bluetooth app monitoring | Cell voltages, SOC, temperature | [Optional configuration] |
| Optional configuration | Low-temperature protection / self-heating | Charge cut-off below 0°C; heating version | [Optional configuration] |
| Optional configuration | Higher-current BMS | See BMS sizing guide below | [Optional configuration] |
| Optional configuration | Enclosure / branding | Custom case color, logo, labels, packaging | [Optional configuration] |
| Optional configuration | Series / parallel expansion | Max series/parallel count confirmed per BMS | [Optional configuration] |
| Optional configuration | RS485 / CAN communication | For AGV, cleaning machine or charger integration | [Optional configuration] |
| Optional configuration | Lead wire / connector | Matched to the OEM harness | [Optional configuration] |
| Commercial & documents | Certifications / test documents | Per order and target market | [Confirmed per project] |
| Commercial & documents | Warranty terms | Per order agreement | [Confirmed per project] |
| Commercial & documents | Lead time | Per order quantity and configuration | [Confirmed per project] |
| Commercial & documents | Pricing | Quoted per inquiry | [Confirmed per project] |
BMS, Communication & Protection
Every pack uses a built-in battery management system with over-charge, over-discharge, over-current, short-circuit and temperature protection plus cell balancing. The BMS current rating sets what the battery can actually deliver, so it should be chosen from the load — not from the capacity. The guide below is general engineering guidance; the BMS rating offered for your order is confirmed in the quotation.
BMS sizing guide
| Load / use case | Suggested BMS rating |
|---|---|
| Medical carts, telecom, lighting (under ~10A) | 20A BMS |
| Mobility scooters / cleaning machines (check motor start-up) | 20–30A BMS |
| Higher continuous or surge loads | Step up to 24V 50Ah |
Equipment makers should send the motor controller continuous and peak current. Charging: use a 24V LiFePO4 profile (28.4–29.2V absorption, equalization off). See the charging guide.
Size & Fitment
There is no single standard case for 24V 20Ah. Send the compartment drawing and connector type; enclosure and connector are typical ODM items. Final dimensions are confirmed per project in the quotation datasheet.
One 24V pack replaces two 12V batteries in series, simplifying wiring and charging.
Applications
- Mobility scooters and power wheelchairs (subject to OEM approval)
- Floor scrubbers and cleaning machines
- Light AGVs, carts and material handling
- Medical carts and telecom backup
- Small 24V solar and lighting systems
Application limits
- Not for engine starting.
- Not sized for high-thrust 24V trolling motors — use 24V 50Ah or 60Ah.
- Standard version should not be charged below 0°C without low-temperature protection.
See also: Marine Battery Solutions · Product catalog.
OEM / ODM Options
- Branding: case color, logo printing, labels, user manual and retail packaging.
- Electrical: capacity variant, BMS continuous/peak current, charge limits.
- Monitoring & communication: Bluetooth app, SOC display, RS485 / CAN where the system needs it.
- Environment: low-temperature charge protection or self-heating.
- Mechanical: enclosure size, terminals, handles, mounting and connector type.
How we help new battery brands configure this model
- 1. Define the use case: application, largest load / inverter or controller, charging sources and climate.
- 2. Pick the configuration: we map that to cell option, BMS rating, monitoring and enclosure, and flag trade-offs.
- 3. Sample stage: evaluate samples against your own tests and documentation needs.
- 4. Pilot order: confirm labeling, packaging and document package.
- 5. Repeat supply: lock the specification so reorders stay consistent.
Wholesale & Supply Chain
LJY Energy is a China-based LiFePO4 battery supplier and OEM/ODM solutions provider offering customization, project-confirmed specifications and export supply coordination. We support configuration, project-confirmed inspection and documentation arrangements, and export logistics for importers, distributors, brands and installers. Lithium batteries ship as dangerous goods (UN3480, Class 9); the document package for your order is confirmed per inquiry. See the product catalog, our sample order guide and the wholesale & distributor program.
What to include in your inquiry
- Equipment / motor model and max current draw
- Compartment dimensions and connector
- Charger specification
- Target market (for documents/labels), estimated quantity and branding needs
WhatsApp: +1 404 784 1946 (backup: +86 159 8945 0735)
Other capacities in this 24V series
Same OEM/ODM platform: 50Ah · 60Ah · 100Ah · 150Ah · 200Ah · 300Ah · pallet truck series. Full ladder with energy values: 24V 150Ah series section.
Compare with neighbouring capacities
24V-class models on this site next to this one. Nominal energy is nominal voltage × rated capacity (25.6V × Ah): an arithmetic reference, not a measured value. Usable energy depends on depth of discharge, BMS settings and temperature. Reference values reviewed 2026-10-15; final values are confirmed in the datasheet issued with your quotation.
| Model | Nominal energy (V × Ah) | Energy vs this model | Typical use class (industry reference) |
|---|---|---|---|
| 24V 20Ah (this page) | 512Wh (25.6V × 20Ah) | This model | Small mobility and light backup |
| 24V 50Ah | 1.28kWh (25.6V × 50Ah) | +768Wh (+150%) | Trolling motors, small solar, light mobility |
| 24V 60Ah | 1.536kWh (25.6V × 60Ah) | +1.02kWh (+200%) | Trolling motors (24V systems) |
Related Products
- 24V 50Ah LiFePO4 Battery (25.6V)
- 24V 60Ah Trolling Motor LiFePO4 Battery
- 24V 100Ah LiFePO4 Battery
- 24V LiFePO4 Battery Series overview
- Product catalog
Frequently Asked Questions
Can it replace a lead-acid battery directly?
Usually, after checking charger profile, terminal type/orientation and compartment dimensions. See our LiFePO4 vs lead-acid guide.
Are the specifications on this page fixed?
No. Values marked [Confirmed per project] are fixed only in the datasheet issued with your quotation.
Can you supply it under my own brand?
Yes — case color, logo, labels, manual and packaging are standard OEM options; electrical and monitoring changes are handled as ODM configuration.
Can one 24V 20Ah replace two 12V batteries?
Yes — it replaces two 12V batteries wired in series, with one BMS and one charger, as long as the charger supports a 24V LiFePO4 profile.
Is it suitable for a trolling motor?
Usually no — 24V trolling motors typically need 50Ah or more. Use our 24V 50Ah or 24V 60Ah trolling motor pages.
Values marked [Confirmed per project] are fixed in the order specification. Product images are illustrative renders, not photographs of production units. Content as of October 2026.