1. Introduction
Thank you for choosing the Kastar 2-Pack Battery and AC Wall Charger. This product is designed to provide reliable power for your compatible action cameras. This manual provides essential information on safety, setup, operation, and maintenance to ensure optimal performance and longevity of your product.

Image 1.1: The Kastar 2-Pack Battery and AC Wall Charger, including two batteries and the charger unit.
2. Safety Precautions
WARNING: Failure to observe these important battery precautions can cause batteries to leak, overheat, or explode.

Image 2.1: A close-up of the battery caution label, detailing important safety instructions.
- Do not expose batteries to heat or fire.
- Never try to disassemble, modify, or apply solder to batteries.
- Never short the terminals of the batteries or carry them together with metal objects that can cause shorting.
- Do not tear or remove the outer label of the batteries.
- Never use, change, or store batteries in areas exposed to high temperature.
3. Package Contents
The Kastar 2-Pack Battery and AC Wall Charger package includes the following items:
- 2 x Lithium-Ion Batteries (3.7V, 1100mAh)
- 1 x AC Wall Charger
4. Setup
- Prepare the Charger: Unfold the flat prongs on the AC wall charger.
- Connect to Power: Plug the charger into a standard AC 100-240V wall outlet.
- Insert Batteries: Carefully insert the compatible Lithium-Ion batteries into the designated slots on the charger. Ensure correct polarity.

Image 4.1: The Kastar AC wall charger with its foldable prongs extended, ready for use.
5. Operating Instructions
Once the charger is plugged in and batteries are inserted, the charging process will begin automatically.
- Charging Indicator: A red light on the charger indicates that the battery is currently charging.
- Full Charge Indicator: A green light indicates that the battery is fully charged or the charger is in standby mode (no battery inserted or charging complete).

Image 5.1: The back of the Kastar travel charger, displaying its product name, input (AC 100-240V, Max 150mA), and output (DC 4.2V/8.4V, 600mA) specifications.
Once the green light appears, remove the fully charged battery from the charger.
6. Compatibility
This Kastar battery and charger set is compatible with the following action camera brands and models:
- Victure: AC200, AC400, AC420, AC700, AC800, AC820, AC900, AC920 (NOT compatible with AC940)
- WiMiUS: Q1, Q2, Q4 (NOT compatible with L1, L2, Q6)
- Zabia: ZOTO
- Wavetown: DV-A9
- Wewdigi: EV4000
- Also compatible with TENKER, Tronsmart, Tronsport, TUSAZU, TEC.BEAN 900, VanTop Moment 4U/Moment 4C, Vemont, Vikeepro, VMTOP, Vtin.
This product is NOT compatible with the following models:
- Gopro Series
- YI Series
- DJI Series
- NeuTab Xtrem
- Virtoba by JVMAC
- DISCOVER-660/650 SERIES
- AEE Shadow Action Camera
- Actionpro X8
- ACTIVEON ACA01RB
- ACTIVEON CX, CX HD, CX Gold
7. Specifications
| Component | Specification |
|---|---|
| Battery Type | Lithium-Ion |
| Battery Voltage | 3.7V |
| Battery Capacity | 1100mAh |
| Charger Input | AC 100~240V, 50~60Hz |
| Charger Output | DC 4.2V, 600mA |
| Product Dimensions | 2.5 x 2 x 3 inches |
| Item Weight | 4.4 ounces |
| Model Number | NOCAR-2B-SJ4000-T |
8. Maintenance
- Keep the charger and batteries dry. Do not expose them to moisture or liquids.
- Clean the charger and battery terminals with a dry, soft cloth if necessary.
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the charger and batteries to strong impacts.
9. Troubleshooting
- Charger not working: Ensure the charger is securely plugged into a functional wall outlet. Check for any visible damage to the charger or cable.
- Battery not charging: Verify that the battery is correctly inserted into the charger with proper polarity. Ensure the battery is compatible with the charger.
- LED indicator not lighting up: Confirm the charger is receiving power and the battery is correctly seated. If issues persist, the charger or battery may be faulty.
10. Warranty and Support
Kastar products are designed for reliability and performance. This product typically comes with an 18-month warranty from the date of purchase. For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official Kastar website.

