SCIGOLD 1.5V AA Li-ion Battery Kit — 4-Pack with CW505 Smart Charger
4 × 4,440 mWh AA Li-ion cells + CW505 4-Slot Independent Smart Charger. Highest verified rechargeable AA capacity (3700 mAh / 4440 mWh per cell). USB-C input, per-cell LCD status. 23% more energy than the next-best 1.5V Li-ion, 58% more than NiMH.
- Capacity
- 4,440 mWh × 4
- Cell size
- AA
- Pack
- 4 cells + CW505 charger
- SKU
- SG-KIT5-LI41
≈ $7.50/cell — covers ~1,600 charges = $0.005 per use
Power Reimagined.
Not “4 batteries in a box.” The next generation of rechargeable AA — the highest verified capacity in the category, paired with the CW505 4-slot smart charger that charges all four cells in parallel from any USB-C source.
4,440 mWh per cell. 1.5V flat output. 1,600+ cycles. 2-hour USB-C fast charge.
The 5 Bullets
① 4,440 mWh Ultra Capacity + Stable 1.5V Constant Output
SCIGOLD’s AA Li-ion uses next-generation lithium-ion technology to deliver 4,440 mWh per cell with rock-stable 1.5V regulated output. Compared to traditional 1.2V NiMH batteries, that’s stronger and more stable power — especially for Xbox controllers, VR headsets, DSLR cameras, and external flashes that suffer from NiMH voltage sag.
② 1,600+ Cycle Life — Replace Thousands of Disposables
Each cell handles 1,600+ recharge cycles with low self-discharge. Over its lifetime, one cell replaces approximately 500–1,500 disposable alkaline AAs. The 4-pack kit replaces an estimated 2,000–6,000 single-use batteries.
③ 2-Hour USB-C Fast Charging
With 5V/3A USB-C fast charging, the case fills 1–4 cells in about 2 hours. Power it from anything that charges your phone — laptop, power bank, car adapter, USB-C wall charger. No proprietary dock, no AC brick, no separate cables.
④ CW505 4-Slot Independent Smart Charger
The CW505 is the differentiator. Charger and travel container in one, slim flip-lid design that closes into a clean rectangle. Independent per-slot charging — each cell terminates at its own optimal voltage. Built-in smart-recognition chip works only with SCIGOLD lithium cells (prevents accidental misuse). Per-cell LCD status shows each cell’s charge level in real time. Comprehensive Smart Protection System guards against over-charge, over-temperature, and short circuits.
⑤ Built for High-Drain Devices
With 3A max discharge output per cell, SCIGOLD AA Li-ion reliably powers high-current devices: Xbox controllers, Meta Quest 2/3/3S controllers, smart locks, DSLR cameras, wireless microphones, flashlights, RC vehicles, electric toothbrushes, kids’ toys, remote controls, kitchen scales, wireless mice, outdoor gear — anywhere AAs are used.
Verified Capacity — The Number That Matters
| Brand | Capacity / cell | Voltage | Cycles | Charge time | Case | Verified? |
|---|---|---|---|---|---|---|
| SCIGOLD AA Li-ion Kit ⭐ | 4,440 mWh | 1.5V flat | 1,600+ | 2h | CW505 4-slot + LCD | SGS |
| imuto | 3,600 mWh | 1.5V flat | 1,600 | 3h | 4-slot case | Self-reported |
| Philips | 3,600 mWh | 1.5V flat | 1,200 | – | Case w/ LED | Self-reported |
| Hixon | 3,500 mWh | 1.5V flat | 1,600 | 2h | Ultra-thin case | Self-reported |
| CSHRUETEN (VR-focused) | 2,400 mAh ≈ 3,600 mWh | 1.5V flat | 1,600 | 2.5h | 4-slot case | Self-reported |
| BONAI (NiMH) | 2,800 mAh ≈ 3,360 mWh | 1.2V sag | 1,200 | 2h | 4-port USB-C charger | Self-reported |
SCIGOLD AA Li-ion advantages:
- +23% capacity vs the best 1.5V Li-ion competitor (imuto/Philips 3,600 mWh)
- +27% capacity vs Hixon (3,500 mWh)
- +58% capacity vs the best NiMH at this size (BONAI 2,800 mAh)
- Only brand with third-party SGS verification under IEC 61960-3
Full Specifications
| Attribute | Value |
|---|---|
| Cells included | 4 × SCIGOLD AA 1.5V Lithium |
| Capacity per cell | 4,440 mWh (SGS verified, IEC 61960-3) |
| Total energy in case | 17,760 mWh (4 × 4,440) |
| Voltage output (regulated) | 1.5V flat |
| Max discharge current | 3A (per cell) |
| Cycle life | 1,600+ cycles to 80% capacity |
| Self-discharge | under 10% per year |
| Charger model | CW505 4-Slot Independent Smart Charger |
| Charger input | USB-C, 5V/3A |
| Charging current | 380 mA × 4 (per slot) |
| Charger display | Per-cell LCD status |
| Charger full-cycle time | ~2 hours (4 cells from 0%) |
| Charger body | Aluminum alloy + polymer, slim flip-lid |
| Operating temperature | -20°C to +60°C |
| Smart Protection System | Over-charge / over-discharge / short-circuit / over-temperature |
| Certifications | UN 38.3, IEC 62133-2, FCC Part 15, CE, RoHS |
| SKU | SG-KIT5-LI41 |
Built For (Use Cases)
- Xbox & PlayStation Controllers — ~38 hours of gameplay per pair; hot-swap from case
- Meta Quest 2 / 3 / 3S Controllers — extended VR sessions without battery anxiety
- Smart Locks (Schlage Encode, August, Yale Assure) — no NiMH false-alarm warnings
- Wireless Security Cameras (Blink Outdoor, Wyze) — ~18 months between case refills
- DSLR / Mirrorless Camera Flashes — sustained 3A pulses without voltage sag
- Wireless Microphones, RC Vehicles, Kids’ Toys, Kitchen Scales, Wireless Mice
- Travel Emergency Kit — headlamp, GPS, weather radio in one deck-sized case
What’s in the Box
- 4 × SCIGOLD AA 1.5V Li-ion Rechargeable Cells (4,440 mWh)
- 1 × CW505 4-Slot Independent Smart Charger (USB-C input, per-cell LCD)
- 1 × USB-C cable (braided, 1m)
- Quick-start card
Availability
In stock · ships from US warehouse — order direct from this site. Order the AA Li-ion 4-Pack Kit · $29.99 →
How It Works
Full in 2 hours. Four steps.
- 1
Drop the cells into the charger
Place your SCIGOLD AA 1.5V Li-ion cells into the CW505 4-slot or CW508 8-slot charger, matching the + and − terminals shown in each slot. The smart chip recognizes SCIGOLD cells automatically.
- 2
Connect any USB-C power source
Plug a USB-C cable into the charger and connect it to any 5V/3A source — a phone wall charger, laptop USB-C port, GaN brick, power bank, or car charger. No proprietary adapter needed.
- 3
Watch the per-cell status display
The LCD (CW505) or per-slot LED (CW508) shows each cell charging independently. A nearly empty cell and a half-full one both charge to their own correct 1.5V target and stop when done.
- 4
Done in about 2 hours
Four cells charge from empty to full in roughly 2 hours at 5V/3A. Charging stops automatically when each cell is full — the Smart Protection System guards against over-charge, over-temperature, and short-circuit, so it is safe to leave plugged in.
Frequently Asked
Quick answers, before you buy.
What is the actual capacity of the SCIGOLD AA Li-ion Kit?
How long does it take to fully charge the case from empty?
Can I use SCIGOLD AA Li-ion in any AA-powered device?
How many charge cycles does each cell support?
Is the CW505 charger TSA carry-on safe for flights?
What's in the box?
How does SCIGOLD compare to Eneloop Pro?
Why is the verified capacity (4,440 mWh) better than competitors who advertise higher mAh numbers?
From the Lab
