---
product_id: 721591992
title: "36V 8Ah Universal Power Pack Rechargeable Battery with 42V 2A Adapter | 20A BMS & Waterproof Design(200-500W Systems)"
brand: "ransyri"
price: "$376.91"
currency: USD
in_stock: true
reviews_count: 8
category: "Ransyri"
url: https://www.desertcart.ec/products/721591992-36v-8ah-universal-power-pack-rechargeable-battery-with-42v-2a
store_origin: EC
region: Ecuador
---

# IP65 waterproof & shockproof shell 36V 8Ah high-density power 20A BMS smart safety system 36V 8Ah Universal Power Pack Rechargeable Battery with 42V 2A Adapter | 20A BMS & Waterproof Design(200-500W Systems)

**Brand:** ransyri
**Price:** $376.91
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your projects with confidence and style!

## Quick Answers

- **What is this?** 36V 8Ah Universal Power Pack Rechargeable Battery with 42V 2A Adapter | 20A BMS & Waterproof Design(200-500W Systems) by ransyri
- **How much does it cost?** $376.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/721591992-36v-8ah-universal-power-pack-rechargeable-battery-with-42v-2a)

## Best For

- ransyri enthusiasts

## Why This Product

- Trusted ransyri brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** Lightweight 3.74 lbs design fits seamlessly into 200-500W systems for ultimate portability.
- • **Plug & Play Versatility:** Pre-installed XT60/T-Plug connectors plus 42V 2A adapter for effortless integration with DIY and mobility devices.
- • **Smart Safety Management:** Built-in 20A BMS prevents overcharge, short circuits, and heat build-up with UL2271 certification.
- • **Military-Grade Durability:** Waterproof PVC shell and hermetic sealing ensure 1000+ cycles—3x longer lifespan than standard batteries.
- • **Reliable Support & Warranty:** 24/7 expert consultation and 12-month warranty guarantee peace of mind and balanced cell performance.

## Overview

The 36V 8Ah Universal Power Pack is a compact, lightweight rechargeable battery designed for 200-500W systems. Featuring a robust 20A Battery Management System and military-grade waterproof construction, it delivers reliable, safe power with over 1000 charge cycles. Ready to plug in with dual XT60/T-Plug connectors and a 42V 2A adapter, it’s perfect for DIY enthusiasts and low-voltage mobility devices, backed by professional support and a 12-month warranty.

## Description

⚠️ ELECTRICAL SAFETY WARNING ⚠️ ALWAYS CONNECT CHARGER TO BATTERY FIRST BEFORE PLUGGING INTO POWER OUTLET Step 1: Secure charger connector to battery portStep 2: Then insert power plug into electrical outletThis sequence prevents short circuits and potential sparking that could damage equipment or cause injury.🔋 Universal 36V 8Ah Power PackEngineered for hobbyists and outdoor enthusiasts, this compact energy solution features UL2271-certified safety technology – perfect for upgrading DIY equipment and low-voltage systems.✅ Core Features:High-Density Cells 36V 8Ah configuration (8000mAh) delivers stable output for 200-500W applications. 20A BMS monitors temperature/voltage 24/7.All-Weather Durability → Outer: IP65 waterproof PVC shell → Inner: Shockproof nickel-plated brackets Operating range: -4°F to 140°F (-20°C to 60°C)Plug & Play Ready Pre-installed XT60/T-Plug connectors + 42V 2A adapter ensure quick setup for most 36V DC devices.📊 Technical Specifications: Voltage36V (42V max charge) Dimensions7.79"L × 2.76"W × 2.76"H Weight3.74 lbs (1.7kg) Cycle Life1000+ deep discharges ⚠️ Important Notes:Designed for low-speed recreational use onlyConfirm connector type and compartment size before purchaseCharge with included adapter only🛡️ Safety Certifications: UL2271 | CE | RoHS | MSDS compliant *Not intended for road vehicles or industrial applications. Professional installation recommended.

Review: Love it - I’m really impressed with this 36V 8Ah battery! It holds a charge much longer than I expected, giving me reliable power for hours of use. Charging is quick and hassle-free, and it feels solid and well-built. Since I started using it, my device runs smoothly and consistently without any drops in performance. I also appreciate how lightweight and easy it is to handle. Overall, this battery has exceeded my expectations and is a great value—I’d definitely recommend it to anyone looking for dependable power!
Review: Good battery - Perfect fit

## Features

- 【Compact & Lightweight Energy Storage】​​ 36V 8Ah rechargeable power pack (7.59x2.75x2.75in, 3.74lbs) with 20A BMS for stable 200-500W system support. Includes 42V 2A adapter and dual XT60/T-Plug connectors
- 【Military-Grade Protection】​​ Waterproof PVC outer shell + hermetic inner sealing resists corrosion and impacts. 1000+ cycle lifespan, 3x longer than traditional batteries
- 【Smart Safety Technology】​​ Built-in 20A management system prevents overcharge/short circuits. UL2271 certified for heat dissipation and vibration resistance
- 【Multi-Device Compatibility】​​ Ideal for DIY power projects, outdoor recreational equipment, and low-voltage mobility systems. Verify voltage/connector before use
- 【Reliable Support】​​ Backed by 24/7 technical consultation and 12-month warranty. Professional cell matching ensures balanced discharge

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DZ5HB7ZY |
| Batteries | 1 Nonstandard Battery batteries required. (included) |
| Best Sellers Rank | #71,425 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #705 in Cordless Tool Battery Packs |
| Customer Reviews | 4.4 4.4 out of 5 stars (38) |
| Date First Available | March 4, 2025 |
| Item Weight | 4.36 pounds |
| Item model number | T-36800 |
| Manufacturer | RANSYRI |
| Product Dimensions | 7.59 x 2.75 x 2.75 inches |

## Product Details

- **Battery Cell Composition:** NiMH
- **Brand:** RANSYRI
- **Model Name:** T-36800
- **Number of Batteries:** 1 Nonstandard Battery batteries required. (included)
- **Unit Count:** 1.0 Count

## Images

![36V 8Ah Universal Power Pack Rechargeable Battery with 42V 2A Adapter | 20A BMS & Waterproof Design(200-500W Systems) - Image 1](https://m.media-amazon.com/images/I/61vcWd5kpgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love it
*by E***H on November 29, 2025*

I’m really impressed with this 36V 8Ah battery! It holds a charge much longer than I expected, giving me reliable power for hours of use. Charging is quick and hassle-free, and it feels solid and well-built. Since I started using it, my device runs smoothly and consistently without any drops in performance. I also appreciate how lightweight and easy it is to handle. Overall, this battery has exceeded my expectations and is a great value—I’d definitely recommend it to anyone looking for dependable power!

### ⭐⭐⭐⭐⭐ Good battery
*by A***R on January 3, 2026*

Perfect fit

### ⭐⭐⭐⭐⭐ Good Product!
*by T***N on October 15, 2025*

Used for a custom crazy cart works very good!

## Frequently Bought Together

- RANSYRI 36V 8Ah Universal Power Pack Rechargeable Battery with 42V 2A Adapter | 20A BMS & Waterproof Design(200-500W Systems)
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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-25*