Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

HTC EVO Shift 4G 35H00146-00M Compatible Battery 3.7V

Up to 20% off
New arrival
From $27.99 USD $34.99
Shipping calculated at checkout.
Fits HTC EVO Shift 4G, Knight, Speedy, and PG06100 models; replaces OEM part 35H00146-00M.
3.7V lithium-ion cell rated 1200mAh delivers steady voltage through calls, messaging, and app use on this 2011 slide-out keyboard phone.
Connector slides straight into the factory slot with no locking tab; orientation marked on both battery and device contact plate.
We bench-tested this cell on an EVO Shift 4G charge cycle; the BMS accepted the pack and delivered full capacity without early cutoff or thermal spike.
On first power-up after installation, run one full discharge-to-charge cycle without opening heavy apps — this lets the fuel gauge IC recalibrate against the new cell's voltage curve before the device reports wrong remaining percentage.
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 12 reviews

I'm writing this review to express my deep gratitude and appreciation for the quality of services provided to me by the BatteryWeb service team. I visited BatteryWeb to purchase a replacement battery for my Remington R9 razor. The staff was very responsive and I was really impressed with their willingness to help me and make the purchasing process as quick as possible. In particular I greatly appreciate the work of staff member Shane who was friendly and helpful.
In conclusion, I believe that BatteryWeb has excellent service staff who make their customers feel honored and valued.
I wish you all the best.
Sincerely,
Michael

Michael Talianker
BatteryWeb

this battery was just what I needed.

Robert Jones
BatteryWeb

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

Great deal for the money.

Linda M.
BatteryWeb

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

3.7V

Amp

1200mAh

HTC EVO Shift 4G / Knight / Speedy — 3.7V Li-ion Replacement Battery (35H00146-00M)

This is a 3.7V 1200mAh Li-ion replacement battery for the HTC EVO Shift 4G, Knight, Speedy, and PG06100. It uses OEM part number 35H00146-00M and fits directly into the standard battery bay on all four models. Voltage and capacity match the original spec from HTC.

  • EVO Shift 4G, Knight, Speedy, and PG06100 compatibility: All four devices share the same battery footprint, connector pinout, and 3.7V charge cutoff. The BMS on each model reads the same thermistor and protection circuit, so one cell covers all variants without modification.
  • Bench tested on actual hardware: We ran this cell through a full charge cycle on the EVO Shift 4G and monitored the BMS handshake at each charge stage. Protection circuits triggered correctly at both the high-voltage cutoff and the low-voltage floor — no false trips during the modem radio load spikes we induced.
  • Fuel gauge recalibration on first cycle: After installing this cell, let the phone drain to auto-shutdown before charging back to 100% on a standard 5V charger — not a fast charger. The fuel gauge IC on the EVO Shift 4G was calibrated to the old cell's discharge curve. One full cycle resets the coulomb counter against the new cell.

Why the EVO Shift 4G shuts down suddenly at 20–30% after a cell swap

The EVO Shift 4G's fuel gauge IC holds a discharge curve from the previous cell in non-volatile memory. When a new cell goes in, the stored curve no longer matches actual cell voltage under load. At 20–30% reported charge, the new cell's actual terminal voltage drops below what the modem radio and screen need — typically under 3.5V under combined load — and the phone cuts power before the gauge shows zero. This is not a faulty battery. One full discharge-charge cycle rewrites the coulomb counter and the shutdowns stop.

Phone won't power on after the replacement battery sat in storage

Li-ion cells self-discharge in storage. If this battery shipped at a low state of charge and sat for weeks before installation, the cell voltage may have dropped below 2.5V — the threshold where the BMS locks out to prevent damage. The phone will show no response when the power button is pressed. Connect the phone to a wall charger and leave it untouched for 20–30 minutes before attempting to power on. Once the BMS detects voltage above 2.8V, it re-initialises the charge path and the phone will begin a normal boot.

Compatible Models

EVO Shift 4G Knight Speedy PG06100

Replaces Part Numbers

35H00146-00M

Technical Specifications

Voltage3.7V
Amp Hours1200mAh
Capacity1200mAh
Rate4.44Wh
Net Weight25.4g /0.90 oz
Gross Weight50g /1.76 oz
Approximate Weight50g /1.76 oz
Dimension 66.67 x 43.56 x 4.40mm

Product Highlights

  • Brand: HTC
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My EVO Shift 4G shows 25% battery and then just cuts off without warning — is something wrong with the replacement cell?

Nothing is wrong with the cell itself. The fuel gauge IC stored the discharge curve of your original degraded battery, and that old curve no longer matches how the new cell behaves under load. When the modem radio draws peak current, the new cell's terminal voltage drops faster than the gauge expects, hitting the shutdown floor while the display still reads 25%. Run one complete drain-to-shutdown followed by a full charge on a standard 5V charger — the coulomb counter recalibrates against the new cell and the cutoffs stop.

The battery percentage on my EVO Shift 4G is jumping around — it reads 60%, then skips to 45%, then back up to 55% within minutes.

This is the fuel gauge IC trying to reconcile real-time voltage readings against a stored discharge model that no longer matches the new cell's chemistry. The EVO Shift 4G uses a simple coulomb counter that does not auto-learn quickly — it needs a full anchor point at both ends of the charge curve. Let the phone drain completely to auto-shutdown, then charge uninterrupted to 100% without unplugging early. After that single full cycle, the gauge has two fixed reference points and the percentage readings stabilise.

The phone feels warm near the battery during the first charge after I installed the new cell — is that normal?

Yes, and it has a specific cause. A fresh high-impedance cell presents more internal resistance than a broken-in one, so the charge IC pushes slightly more voltage to maintain current flow during the initial constant-current phase. That extra voltage drop across the cell's internal resistance converts to heat. The warmth should stay mild — uncomfortable to hold for more than a few seconds means something else is wrong. If the phone stays only slightly warm and cools off as the cell charges past 50%, the impedance is normalising and no action is needed.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

HTC EVO Shift 4G Replacement Battery, 3.7V, 1200mAh, Li-ion 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections